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Doctor Who

7.9(701)
First Aired:November 23, 1963
Seasons:26 seasons
Episodes:694
Status:Ended

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

Cast

Sylvester McCoy

Sylvester McCoy

The Doctor

Sophie Aldred

Sophie Aldred

Ace

Seasons

The season introduces William Hartnell as the First Doctor, an alien who travels through time and space in his TARDIS, which appears to be a British police box on the outside. Carole Ann Ford is also introduced as the Doctor's granddaughter Susan Foreman, who acts as his companion alongside her schoolteachers Ian Chesterton and Barbara Wright, portrayed by William Russell and Jacqueline Hill, respectively. Throughout the season, the Doctor and his companions travel throughout history and into the future. Historical stories were intended to educate viewers about significant events in history, such as the Aztec civilisation and the French Revolution; futuristic episodes took a more subtle approach to educating viewers, such as the theme of pacifism with the Daleks.

An Unearthly Child

E1An Unearthly Child

23m8.1

Nov 23, 1963

After discussing a strange pupil, Susan Foreman, teachers Ian and Barbara follow her to a junkyard. They meet her grandfather, the Doctor, and force their way inside a police box with frightening results.

The Cave of Skulls

E2The Cave of Skulls

25m5.9

Nov 30, 1963

The enigmatic Doctor, wary that Ian and Barbara will reveal his secrets to the people of 20th-century Earth, takes them and his granddaughter Susan back to the dawn of human history. There, the four travellers are dragged into the savage politics of a tribe of cavemen who have lost the secret of making fire...

The Forest of Fear

E3The Forest of Fear

24m6.1

Dec 7, 1963

Prisoners of the earliest humans, the TARDIS crew are caught in a deadly power play for leadership of the tribe.

The Firemaker

E4The Firemaker

24m6.4

Dec 14, 1963

The TARDIS crew must make fire for the early humans to stay alive. But once they do, they may not be allowed to leave!

The Dead Planet

E5The Dead Planet

25m7.2

Dec 21, 1963

Time Unknown, Planet Unknown. The TARDIS lands in an eerie petrified forest overlooking a magnificent steel city. The Doctor wants to explore the city – but what's waiting there?

The Survivors

E6The Survivors

25m7.1

Dec 28, 1963

The dead planet is not uninhabited after all. The Doctor is about to meet what will become his greatest enemies... And he and his crew are dying of radiation sickness.

The Escape

E7The Escape

26m7.4

Jan 4, 1964

Imprisoned on Skaro by the scheming Daleks, the Doctor and his companions work to escape their clutches.

The Ambush

E8The Ambush

25m6.9

Jan 11, 1964

The time travellers work desperately to both escape the Dalek city and prevent a bloody massacre.

The Expedition

E9The Expedition

25m6.5

Jan 18, 1964

The time travellers have escaped from the Daleks, but left a vital piece of the TARDIS behind. Getting it back will mean pushing the Thals to mount a dangerous operation.

The Ordeal

E10The Ordeal

27m6.8

Jan 25, 1964

Ian, Barbara and the Thals struggle through the caves to reach the Dalek city. Will they get there in time? Is there even a way through the treacherous caves? And what are the Daleks planning?

The Rescue

E11The Rescue

23m6.9

Feb 1, 1964

Time is running out as the Doctor and his companions try to defeat the Daleks before they wipe out all life on Skaro.

The Edge of Destruction

E12The Edge of Destruction

25m6.6

Feb 8, 1964

A mysterious explosion has knocked the TARDIS into void. And in their confusion, the crew are turning on one another.

The Brink of Disaster

E13The Brink of Disaster

23m6.2

Feb 15, 1964

The TARDIS is adrift, the crew turning on each other. Only by working together can they find their way out before they are destroyed.

The Roof of the World

E14The Roof of the World

24m6.7

Feb 22, 1964

The TARDIS experiences a total power failure and is stranded in the Himalayas in the 13th century. The travellers are forced to join the caravan of the famous explorer, Marco Polo, in order to survive -- but Polo, fascinated by their claims that the TARDIS can fly through the air, seizes it on behalf of Kublai Khan in the hope that presenting the Khan with such a fabulous gift will convince him to let Polo return home to Venice. The travellers are forced to accompany Polo on his long trek across Asia to the Khan's court, but their many attempts to reclaim their property are foiled -- not just by Polo, but by the war lord Tegana, who is apparently on a mission of peace but has entirely different plans for dealing with Kublai Khan...

The Singing Sands

E15The Singing Sands

27m6.3

Feb 29, 1964

Tegana sabotages the party's water bags, leaving them in dire need of fresh supplies.

Five Hundred Eyes

E16Five Hundred Eyes

23m6.3

Mar 7, 1964

The Doctor and Susan are able to supply Marco with condensation that has formed inside the TARDIS, saving the group from dying of thirst. When the group are reunited with Tegana, the travellers begin to suspect he is up to something.

The Wall of Lies

E17The Wall of Lies

25m6.5

Mar 14, 1964

The Doctor's group manage to rescue Barbara from the Mongols but once more Marco remains unaware of Tegana's involvement.

Rider from Shang Tu

E18Rider from Shang Tu

23m6.0

Mar 21, 1964

The Doctor and his friends elect to warn Marco of Acomat's attack even though it means losing their chance to gain access to the TARDIS.

Mighty Kublai Khan

E19Mighty Kublai Khan

25m6.0

Mar 28, 1964

The Doctor, Ian and Barbara are forced to surrender to Tegana and Marco, leaving both of them the opportunity to gain possession of the TARDIS.

Assassin at Peking

E20Assassin at Peking

25m6.4

Apr 4, 1964

Tegana finally makes his move to assassinate the Khan, giving the Doctor and his friends an opportunity to thwart his plans and regain the TARDIS.

The Sea of Death

E21The Sea of Death

24m6.8

Apr 11, 1964

The alien world of Marinus. Perfect peace has reigned here for decades due to the mind-controlling influence of a machine known as the Conscience. But now a race known as the Voord have developed an immunity and Arbitan, keeper of the machine, has been forced to scatter the vital control keys around the planet. Now he needs the help of the time travellers to get them back - it will be an extraordinary journey, with perils every step of the way...

The Velvet Web

E22The Velvet Web

26m6.6

Apr 18, 1964

The Doctor and his friends arrive in the apparently idyllic city of Morphoton but Barbara soon begins to realise there is more to their hosts than meets the eye.

The Screaming Jungle

E23The Screaming Jungle

24m6.5

Apr 25, 1964

The search for the second key takes the travellers to a jungle where Ian and Barbara come under threat from rapidly growing plants.

The Snows of Terror

E24The Snows of Terror

25m5.6

May 2, 1964

Searching for the third key, Ian and Barbara meet with the sinister trapper Vasor before following Susan and the others into a cave system guarded by the mysterious Ice Soldiers.

Sentence of Death

E25Sentence of Death

26m6.4

May 9, 1964

The group are reunited with the Doctor in the city of Millennius where Ian faces trial for murder after the fourth key is stolen.

The Keys of Marinus

E26The Keys of Marinus

26m6.5

May 16, 1964

The Doctor and his friends must locate the real murderers and the fourth key before heading off for a final confrontation with the Voord

The Temple of Evil

E27The Temple of Evil

24m6.8

May 23, 1964

The TARDIS arrives on Earth landing in 16th century Aztec society. Barbara goes off exploring - despite the Doctor's orders not to wander off - and is taken away by the high priest Autloc who believes she is the reincarnation of the goddess Yetaxa. They believe it is a sign that the rains - which are late - will now come. The high priest of sacrifice Tlotoxl recruits Ian to lead their army but he finds he has a rival in Ixta. Ian is less than comfortable with his role when he learns that they are to deliver the human sacrifice to the high priest at the rain ceremony. The Doctor emphasizes that they must not interfere with Aztec rituals, something that does not sit well with Barbara.

The Warriors of Death

E28The Warriors of Death

25m6.6

May 30, 1964

Barbara tries to change the course of history - and Ian fights for his life.

The Bride of Sacrifice

E29The Bride of Sacrifice

26m6.3

Jun 6, 1964

While the Doctor tries to find a way back to the TARDIS, Tlotoxl continues to plot Barbara's downfall and sees an opening when Susan questions Aztec custom.

The Day of Darkness

E30The Day of Darkness

26m6.3

Jun 13, 1964

Tlotoxl's machinations result in both Susan and Ian being arrested. With the TARDIS once again trapped inside the tomb, the travellers' only hope for escape lies with Autloc and Cameca.

Strangers in Space

E31Strangers in Space

25m6.1

Jun 20, 1964

The 28th century. The TARDIS materialises on a spaceship orbiting a planet known as the Sense-Sphere, whose natives, the Sensorites, have trapped the ship's human crew in a state of paralysis.

The Unwilling Warriors

E32The Unwilling Warriors

25m6.0

Jun 27, 1964

The Doctor and his companions are on board an Earth ship trapped in orbit around the Sense-Sphere when it is boarded by the Sensorites, who steal the lock mechanism from the TARDIS.

Hidden Danger

E33Hidden Danger

25m5.7

Jul 11, 1964

The Doctor and his companions are escorted to the Sense-Sphere where they attempt to negotiate with the Sensorites for the release of the TARDIS.

A Race Against Death

E34A Race Against Death

25m5.9

Jul 18, 1964

With Ian having fallen victim to the Sensorites' plague, the Doctor is desperate to find a cure. But the City Administrator is still determined to rid his world of aliens.

Kidnap

E35Kidnap

26m5.7

Jul 25, 1964

The City Administrator is determined to destroy the Doctor and his friends and his paranoia prevents the Doctor's cure from being distributed.

A Desperate Venture

E36A Desperate Venture

25m6.1

Aug 1, 1964

While the City Administrator's schemes reach their climax, the Doctor and Ian venture into the tunnels under the city to discover the real cause of the Sensorite plague.

A Land of Fear

E37A Land of Fear

25m6.5

Aug 8, 1964

The TARDIS lands during the French Revolution, where Ian, Barbara, and Susan become caught up in the politics of the day. When they are arrested and set to be executed, the Doctor must take on the disguise of a public official to try and save their lives.

Guests of Madame Guillotine

E38Guests of Madame Guillotine

25m6.6

Aug 15, 1964

Susan, Ian and Barbara are sentenced to be guillotined but an encounter with a dying English prisoner may offer Ian a chance of survival.

A Change of Identity

E39A Change of Identity

26m6.1

Aug 22, 1964

Susan and Barbara are rescued by Jules and Jean, two members of the escape chain, while the Doctor gains access to the prison by posing as a revolution official.

The Tyrant of France

E40The Tyrant of France

25m6.3

Aug 29, 1964

The Doctor is forced into a meeting with Robespierre while Barbara's attempts to find a physician for Susan result in them being betrayed.

A Bargain of Necessity

E41A Bargain of Necessity

24m6.3

Sep 5, 1964

Ian finds himself held prisoner by the treacherous Leon while the Doctor attempts to engineer Susan and Barbara's escape.

Prisoners of Conciergerie

E42Prisoners of Conciergerie

26m6.7

Sep 12, 1964

Ian finally delivers his message to James Stirling but in order to secure Susan's release he and Barbara are forced into a dangerous spying mission.

Milestones this season included not one but two encore appearances by the Daleks; the departure of the original three companions, Susan Foreman, Barbara Wright and Ian Chesterton; and the first appearance of someone else from the Doctor and Susan's home planet, and the first Time Lord enemy to appear.

Planet of Giants

E1Planet of Giants

23m7.0

Oct 31, 1964

An accident in flight leads to the TARDIS and the travellers being miniaturised. Now only an inch high, the Doctor, Barbara, Ian and Susan explore an English country garden.

Dangerous Journey

E2Dangerous Journey

24m6.6

Nov 7, 1964

Ian and Barbara are accidentally taken into Smithers' laboratory and, while the Doctor and Susan face a hazardous journey to reach them, they witness the deadly effects of DN6 first hand.

Crisis

E3Crisis

27m6.4

Nov 14, 1964

The Doctor and his friends face a race against time to expose Forrester's plans and return to normal size before Barbara succumbs to the effects of DN6.

World's End

E4World's End

24m7.4

Nov 21, 1964

The TARDIS lands in a ruined and empty London in the 22nd Century. Robomen patrol the shattered streets. The Doctor is eager to discover the cause of the city's plight.

The Daleks

E5The Daleks

24m7.4

Nov 28, 1964

The Doctor and Ian are taken to the Dalek saucer while Susan and Barbara join the rebels in planning an attack.

Day of Reckoning

E6Day of Reckoning

27m7.3

Dec 5, 1964

The Doctor manages to escape from the Dalek saucer and meet up with Susan and David but Ian is left trapped onboard. Meanwhile, Barbara and her new friends face a dangerous journey across London.

The End of Tomorrow

E7The End of Tomorrow

23m7.0

Dec 12, 1964

While Susan and David try to find a way out of London, Ian and Larry infiltrate the Dalek mine workings.

The Waking Ally

E8The Waking Ally

25m6.9

Dec 19, 1964

The Doctor's party investigate the Daleks' central control in Bedfordshire while Barbara and Jenny's attempt to reach it are derailed when they are betrayed.

Flashpoint

E9Flashpoint

26m7.6

Dec 26, 1964

The Daleks' plan to transform Earth into a giant spaceship and wipe out its inhabitants is nearing completion and the Doctor and his friends face a race against time to prevent them from destroying the planet's core.

The Powerful Enemy

E10The Powerful Enemy

25m6.6

Jan 2, 1965

On the planet Dido, the monstrous Koquillion terrorizes Bennett and Vicki, the only survivors of a crashed spaceship. When the TARDIS lands, the Doctor, Ian, and Barbara team up with Vicki to discover what Koquillion is hiding.

Desperate Measures

E11Desperate Measures

25m6.5

Jan 9, 1965

The Doctor and Ian reach the crashed spaceship and meet up with Barbara and Vicki, where the Doctor uncovers the truth about Koquillion.

The Slave Traders

E12The Slave Traders

24m6.8

Jan 16, 1965

After relaxing at a Roman villa the Doctor is mistaken for a murdered lyre player and targeted by an assassin. Meanwhile, Ian and Barbara are captured by slave traders.

All Roads Lead to Rome

E13All Roads Lead to Rome

23m6.6

Jan 23, 1965

Barbara is sold as a slave and Ian is to be trained as a gladiator. The Doctor and Vicki arrive at the Emperor's court with the Doctor still masquerading as Maximus Pettulian.

Conspiracy

E14Conspiracy

26m6.8

Jan 30, 1965

Poppaea plans to poison Barbara who has become the object of Nero's affections. The Doctor is to be thrown to the lions and Ian and Delos are set against each other in the arena.

Inferno

E15Inferno

23m7.1

Feb 6, 1965

Inspired by the Doctor, Nero sets Rome ablaze. Ian must fight his way out of the arena and rescue Barbara. The Doctor and Vicki hurry to flee the city and escape to the TARDIS.

The Web Planet

E16The Web Planet

24m5.3

Feb 13, 1965

The TARDIS is drawn by a mysterious force and lands on the alien planet Vortis. There the Doctor, Ian, Barbara and Vicki find themselves caught up in a war between an evil force known as "The Animus", its ant-like Zarbi allies, and the butterfly-like Menoptra race and their allies the subterranean Optera.

The Zarbi

E17The Zarbi

23m5.0

Feb 20, 1965

The Doctor, Ian and Vicki are captured by the Zarbi while Barbara meets up with the butterfly-like Menoptera who are trying to reclaim the planet.

Escape to Danger

E18Escape to Danger

23m4.8

Feb 27, 1965

The Doctor is forced to co-operate with the Animus but Ian uses the opportunity to make an escape attempt.

Crater of Needles

E19Crater of Needles

26m4.8

Mar 6, 1965

Ian and Vrestin are captured by the subterranean Optera while Barbara and her Menoptera allies attempt to escape from the slave camp.

Invasion

E20Invasion

26m4.9

Mar 13, 1965

Barbara and the surviving Menoptera take refuge in the Temple of Light while the Doctor and Vicki attempt to escape by taking control of a Zarbi.

The Centre

E21The Centre

24m4.6

Mar 20, 1965

The Doctor and Vicki are taken before the Animus but the isoptope is left behind in the laboratory.The only hope of victory lies with Barbara and her Menoptera allies.

The Lion

E22The Lion

25m6.6

Mar 27, 1965

The TARDIS lands in the Holy Land during the Third Crusade and the crew help save Richard the Lionheart from an ambush, but Barbara is captured and brought before Saladin.

The Knight of Jaffa

E23The Knight of Jaffa

25m5.7

Apr 3, 1965

While the Doctor, Ian, and Vicki are drawn into the intrigues of King Richard's court, Barbara has to cope with an impatient Saladin and the vengeful El Akir.

The Wheel of Fortune

E24The Wheel of Fortune

25m6.4

Apr 10, 1965

Barbara allies herself with a man whose wife and son were murdered by El Akir as the Doctor and Vicki are caught up in Richard's plan to offer his sister's hand in marriage to Saladin's brother.

The Warlords

E25The Warlords

25m6.0

Apr 17, 1965

Ian sets out with a reluctant accomplice to rescue Barbara from El Akir's palace as the Doctor and Vicki try to evade the suspicions of the Earl of Leicester.

The Space Museum

E26The Space Museum

24m6.6

Apr 24, 1965

The TARDIS arrives on a planet that has been turned into a space museum but the Doctor and his friends are puzzled when they find themselves out of phase with their surroundings.

The Dimensions of Time

E27The Dimensions of Time

22m6.7

May 1, 1965

Now back on their proper time track, the Doctor and his friends must work to avoid the future they saw for themselves.

The Search

E28The Search

24m6.3

May 8, 1965

With the Doctor missing, Ian, Barbara and Vicki find themselves in danger from the Moroks while the Xerons also try to make contact with them.

The Final Phase

E29The Final Phase

22m6.0

May 15, 1965

While Ian tries to force Lobos to release the Doctor from the museum, Vicki joins the Xerons in trying to gain the weapons needed to start a revolution against the occupiers.

The Executioners

E30The Executioners

25m7.0

May 22, 1965

The Daleks pursue The Doctor through time and space, with the intentions of exterminating him. Places they land include the Mary Celeste, a haunted house and the empire state building.

The Death of Time

E31The Death of Time

24m6.4

May 29, 1965

While Ian and Vicki are threatened by a Mire Beast, the Doctor and Barbara meet up with the Aridians...who are then ordered to hand them over to the Daleks.

Flight Through Eternity

E32Flight Through Eternity

25m6.3

Jun 5, 1965

The TARDIS crew's attempts to escape from the Daleks take them to the top of the Empire State Building and a 19th century sailing ship.

Journey into Terror

E33Journey into Terror

24m6.0

Jun 12, 1965

The TARDIS lands in a haunted house where the Doctor and his friends are confronted by Dracula and Frankenstein's Monster...and then the Daleks appear.

The Death of Doctor Who

E34The Death of Doctor Who

24m6.2

Jun 19, 1965

With Vicki trapped on board the Dalek time machine, the Doctor, Ian and Barbara decide to make their stand on the planet Mechanus.

The Planet of Decision

E35The Planet of Decision

26m6.5

Jun 26, 1965

The Doctor and his friends are taken into the Mechanoid City but their troubles are far from over...especially when the Daleks launch an attack.

The Watcher

E36The Watcher

24m7.1

Jul 3, 1965

The Doctor, Vicki, and Steven Taylor, go to 1066 England, but something doesn't seem right including modern inventions like a Gramaphone and electricity. Could there be another Time Lord?

The Meddling Monk

E37The Meddling Monk

25m6.7

Jul 10, 1965

The Doctor is being held prisoner by the Monk and Steven and Vicki's search for him brings them to the Saxon village.But a greater danger threatens when a Viking raiding party arrives.

A Battle of Wits

E38A Battle of Wits

24m7.1

Jul 17, 1965

The Doctor manages to escape from his cell and get the upper hand on the Monk but his plans are derailed when Sven and Ulf arrive at the monastery.

Checkmate

E39Checkmate

24m7.7

Jul 24, 1965

The Doctor finally discovers what the Monk is up to and must move fast to prevent his opponent from altering the course of history.

At twelve episodes, The Daleks' Master Plan was the longest story in the show's history until superseded by the fourteen-episode The Trial of a Time Lord in 1986. The season also had the greatest number of different companions (seven) and producers (three). This was the longest season in the history of the franchise to date, at 45 episodes. It also featured the first appearance of actor Nicholas Courtney, although not in his most famous role as the Brigadier. The Daleks' Master Plan also saw the return of Peter Butterworth as the Monk, who became the second Doctor Who enemy to make a return (after the Daleks themselves) to the show. This was also the season of The War Machines, to date the only televised story in which the taboo of never referring to the Doctor directly by the name "Doctor Who" is broken, with the exception of Missy's teasing in World Enough and Time.

Four Hundred Dawns

E1Four Hundred Dawns

25m6.0

Sep 11, 1965

After an encounter with a hostile robot called a Chumblie, the Doctor and his companions are rescued by a group of female Drahvins.

Trap of Steel

E2Trap of Steel

25m5.8

Sep 18, 1965

With the knowledge that the planet will be destroyed in two days, the Drahvins instruct the Doctor to help them steal the Rills' ship.

Air Lock

E3Air Lock

24m5.5

Sep 25, 1965

The Doctor and Vicki encounter the Rills and learn the situation is more complex than they thought while Steven finds the Drahvins' hospitality ever more perilous.

The Exploding Planet

E4The Exploding Planet

25m6.2

Oct 2, 1965

The Doctor and Vicki enlist the aid of the Chumblies to rescue Steven from the Drahvins and then find a way off the planet before its destruction.

Mission to the Unknown

E5Mission to the Unknown

25m6.4

Oct 9, 1965

Whilst The Doctor, Steven and Vicki are traveling to their next destination. On the planet Kembel, Marc Cory, a Space Security Service agent discovers The Daleks are attending a secret meeting with their allies. Where Cory discovers the Dalek's evil plan, which sets the stage for the epic 12-part adventure "The Dalek Master Plan".

Temple of Secrets

E6Temple of Secrets

25m6.2

Oct 16, 1965

The TARDIS lands in the middle of the Trojan War, where the Doctor is mistaken for the god Zeus.

Small Prophet, Quick Return

E7Small Prophet, Quick Return

25m5.8

Oct 23, 1965

While Odysseus forces the Doctor to find a way to win the war, Steven decides to get himself taken prisoner in order to enter Troy and find Vicki and the TARDIS.

Death of a Spy

E8Death of a Spy

25m6.2

Oct 30, 1965

With Steven and Vicki being held prisoner by the Trojans, the Doctor's only hope of seeing them again is to suggest the idea of the Trojan Horse.

Horse of Destruction

E9Horse of Destruction

25m6.0

Nov 6, 1965

The Doctor waits inside the Trojan Horse for a chance to reach his companions but Steven's assumed identity as a Greek soldier and Vicki's growing feelings for Troilus endanger their escape.

The Nightmare Begins

E10The Nightmare Begins

25m7.6

Nov 13, 1965

The Doctor runs afoul of the Daleks and Special Security Agent Bret Vyon on the planet Kembel.

Day of Armageddon

E11Day of Armageddon

24m7.0

Nov 20, 1965

The Doctor infiltrates the Daleks' conference to try and discover their plans, leaving Steven, Katarina and Bret to find a way off the planet.

Devil's Planet

E12Devil's Planet

25m7.2

Nov 27, 1965

The Doctor and his friends escape Kembel in the Spar ship but the Daleks force them down on the planet Desperus, where they are threatened by a group of convicts.

The Traitors

E13The Traitors

25m7.4

Dec 4, 1965

With Katarina being held hostage, the Doctor, Steven and Bret are in danger of having to given in to Kirksen's demands, while, on Earth, Chen has them listed as traitors.

Counter Plot

E14Counter Plot

24m6.6

Dec 11, 1965

The Doctor, Steven and Sara are accidentally transported to the planet Mira where Chen sends the Daleks after them.

Coronas of the Sun

E15Coronas of the Sun

25m6.8

Dec 18, 1965

The Doctor, Steven and Sara escape Mira in a Dalek pursuit ship but when they find the ship is returning to Kembel, they are forced to come up with a new plan to avoid the Daleks.

The Feast of Steven

E16The Feast of Steven

25m5.6

Dec 25, 1965

The Doctor, Steven and Sara visit a Liverpool police station on Christmas Day and a Hollywood film set during the 1920s.

Volcano

E17Volcano

25m6.6

Jan 1, 1966

The Daleks realise the Doctor has given them a fake Taranium Core while, on the planet Tigus, the Doctor encounters the Meddling Monk.

Golden Death

E18Golden Death

25m6.6

Jan 8, 1966

The Doctor, Steven and Sara travel to Ancient Egypt, pursued by both the Daleks and the Meddling Monk.

Escape Switch

E19Escape Switch

24m6.2

Jan 15, 1966

Steven, Sara and the Monk are captured by the Daleks in order to force the Doctor to hand over the Taranium Core.

The Abandoned Planet

E20The Abandoned Planet

25m6.8

Jan 22, 1966

The Doctor, Steven and Sara reach Kembel where they find the Daleks have betrayed their allies and imprisoned them.

Destruction of Time

E21Destruction of Time

25m7.6

Jan 29, 1966

With the Daleks poised to invade the solar system, the Doctor decides his only option is to activate the Time Destructor prematurely, threatening the entire planet.

War of God

E22War of God

25m7.0

Feb 5, 1966

The TARDIS lands in sixteenth century Paris and Steven becomes involved with a group of Huguenots.

The Sea Beggar

E23The Sea Beggar

25m6.6

Feb 12, 1966

While trying to find the Doctor, Steven discovers a conspiracy to assassinate a man known as the Sea Beggar.

Priest of Death

E24Priest of Death

25m6.8

Feb 19, 1966

Steven has discovered the identity of the Sea Beggar, but can he warn the Huguenots in time?

Bell of Doom

E25Bell of Doom

25m7.2

Feb 26, 1966

Steven rejoins the Doctor and they leave Paris just ahead of the massacre, leaving Anne behind.

The Steel Sky

E26The Steel Sky

24m6.0

Mar 5, 1966

The Doctor, Steven and Dodo arrive on a giant spaceship millions of years in the future, transporting the last humans away from the doomed Earth.

The Plague

E27The Plague

25m6.0

Mar 12, 1966

With the Ark infected with a cold virus, the Doctor must convince the Guardians to trust him so he can find a cure.

The Return

E28The Return

24m6.2

Mar 19, 1966

The Doctor, Steven and Dodo have travelled 700 years into the future and find that the Ark is now under the control of the Monoids as it approaches Refusis.

The Bomb

E29The Bomb

25m5.5

Mar 26, 1966

The Monoids abandon the Ark, leaving Steven and the Guardians to die, but a mutiny in their ranks may give the Doctor a chance to bring about peace.

The Celestial Toyroom

E30The Celestial Toyroom

25m6.0

Apr 2, 1966

The Doctor, Steven and Dodo arrive in the realms of the Celestial Toymaker, who forces them to play his deadly games.

The Hall of Dolls

E31The Hall of Dolls

25m5.3

Apr 9, 1966

While the Doctor continues to play the Trilogic Game with the Toymaker, Steven and Dodo are involved in a deadly game of musical chairs.

The Dancing Floor

E32The Dancing Floor

25m5.2

Apr 16, 1966

Steven and Dodo are forced to cross the dancing floor, where the Toymaker's dolls plan to force them to dance for eternity.

The Final Test

E33The Final Test

24m6.0

Apr 23, 1966

As the Doctor nears the end of his game against the Toymaker, Steven and Dodo take on Cyril in a lethal game of hopscotch to try and recover the TARDIS.

A Holiday for the Doctor

E34A Holiday for the Doctor

24m6.0

Apr 30, 1966

The TARDIS arrives in Tombstone, Arizona in 1891. Where the Doctor is looking for a dentist when he has a toothache, where The Doctor finds the local dentist is the famous Doc Holliday who is in a feud with The Clanton Brothers and their hired gunfighter Johnny Ringo, whilst local sheriff Wyatt Earp is trying to keep the peace. The Doctor, Steven and Dodo find themselves joining forces with The Clanton Brothers and Sheriff Wyatt Earp.

Don't Shoot the Pianist

E35Don't Shoot the Pianist

24m6.4

May 7, 1966

With the Clantons believing the Doctor to be Doc Holliday, Wyatt Earp takes him into protective custody but this leaves Steven and Dodo in danger.

Johnny Ringo

E36Johnny Ringo

25m6.6

May 14, 1966

Earp comes to Steven's rescue and arrests Phineas Clanton, prompting the Clantons to decide to enlist the help of Johnny Ringo.

The O.K. Corral

E37The O.K. Corral

24m5.8

May 21, 1966

The Clantons have shot Warren Earp, leading to a showdown between the two families with the Doctor powerless to prevent bloodshed.

The Savages (1)

E38The Savages (1)

25m5.8

May 28, 1966

The Doctor, Steven and Dodo arrive in the far future and are welcomed by the advanced civilisation of the Elders but soon begin to suspect they are hiding a secret.

The Savages (2)

E39The Savages (2)

25m6.0

Jun 4, 1966

The Doctor, Steven and Dodo investigate why there are Savages in the Elders' city and uncover the true price of the Elders' perfect society.

The Savages (3)

E40The Savages (3)

25m5.8

Jun 11, 1966

The Doctor has been subjected to the Elders' extraction process and Steven and Dodo must return to their city to rescue him.

The Savages (4)

E41The Savages (4)

25m5.8

Jun 18, 1966

The Doctor urges the Savages to finally bring an end to the Elders' oppression and enlists the help of an unlikely ally.

The War Machines (1)

E42The War Machines (1)

24m7.3

Jun 25, 1966

The Doctor and Dodo return to London in the present day where the Doctor becomes concerned about WOTAN, a new super-computer installed in the Post Officer Tower.

The War Machines (2)

E43The War Machines (2)

24m6.8

Jul 2, 1966

Dodo is under the control of WOTAN and attempts to lure the Doctor into a trap, while the rest of WOTAN's slaves begin construction on its robotic War Machines.

The War Machines (3)

E44The War Machines (3)

24m7.0

Jul 9, 1966

Ben tries to escape from the warehouse but is captured by Polly, who is now also under WOTAN's control, and forced to work on construction the War Machine.

The War Machines (4)

E45The War Machines (4)

23m7.2

Jul 16, 1966

The first War Machine is defeated but the Doctor only has a matter of hours to destroy WOTAN before the rest of its army is activated.

This season was a season of major changes for Doctor Who, including some that have influenced the series and franchise ever since. Most notably, season 4 saw William Hartnell's First Doctor hand off the baton to Patrick Troughton's Second Doctor in the very first regeneration. When Hartnell announced his plans to leave the series, the show's writers came up with the idea of having the Doctor change his appearance and personality. In 1966, while it was not uncommon for actors to change in ongoing TV and film roles, this was possibly the first time a change in appearance was written into the very nature of the character.

The Smugglers (1)

E1The Smugglers (1)

25m7.2

Sep 10, 1966

The Doctor discovers Polly and Ben aboard the TARDIS shortly before the ship arrives in 17th century Cornwall, where the local churchwarden gives the Doctor a cryptic message shortly before being murdered.

The Smugglers (2)

E2The Smugglers (2)

25m6.2

Sep 17, 1966

Pike is convinced that the Doctor knows the location of Avery's treasure while Polly and Ben try to convince the locals they were not responsible for Longfoot's murder.

The Smugglers (3)

E3The Smugglers (3)

25m6.4

Sep 24, 1966

Polly and Ben are placed in the custody of Blake, who reveals he also has his suspicions about the Squire, while the Doctor and Kewper are forced to team up to escape from Pike's ship.

The Smugglers (4)

E4The Smugglers (4)

25m6.6

Oct 1, 1966

The Doctor and his friends are at the mercy of Cherub, who is now seeking Avery's treasure for himself, while Pike prepares to attack the village.

The Tenth Planet (1)

E5The Tenth Planet (1)

23m8.2

Oct 8, 1966

In 1986 a new planet appears in the Solar System which turns out to be a long-lost twin of Earth's named Mondas. Its inhabitants are the Cybermen.

The Tenth Planet (2)

E6The Tenth Planet (2)

23m8.2

Oct 15, 1966

The Doctor's warnings are ignored and the Cybermen take over the base, hampering the crew's efforts to help Zeus IV.

The Tenth Planet (3)

E7The Tenth Planet (3)

24m7.5

Oct 22, 1966

With the Doctor out of action, it is up to Polly, Ben and Barclay to stop Cutler using the Z-Bomb and devastating half the world.

The Tenth Planet (4)

E8The Tenth Planet (4)

25m8.2

Oct 29, 1966

The Cybermen take over the base again, apparently to stop the humans using the Z-Bomb, but then the Doctor realises they intend to use it themselves to destroy Earth.

The Power of the Daleks (1)

E9The Power of the Daleks (1)

25m8.2

Nov 5, 1966

The TARDIS arrives on the Earth colony of Vulcan where the newly-regenerated Doctor assumes the identity of an Earth Examiner.

The Power of the Daleks (2)

E10The Power of the Daleks (2)

25m7.9

Nov 12, 1966

While the Doctor worries about the inert Daleks in the capsules, Lesterson makes plan to reactivate one of them.

The Power of the Daleks (3)

E11The Power of the Daleks (3)

25m7.9

Nov 19, 1966

The Doctor fails to convince the colonists of the danger posed by the Daleks and soon the other two are also reactivated.

The Power of the Daleks (4)

E12The Power of the Daleks (4)

25m7.7

Nov 26, 1966

With Polly being held prisoner by the rebels, the Doctor and Ben decide to investigate them, while Lesterson discovers the Daleks are reproducing.

The Power of the Daleks (5)

E13The Power of the Daleks (5)

25m7.6

Dec 3, 1966

The Doctor and Quinn attempt to escape in order to stop Bragen using the Daleks to take over the colony.

The Power of the Daleks (6)

E14The Power of the Daleks (6)

25m7.9

Dec 10, 1966

With Bragen having taken over, the Daleks trick the rebels into turning them loose and only the Doctor can stop them wiping out the entire colony.

The Highlanders (1)

E15The Highlanders (1)

25m5.8

Dec 17, 1966

The Doctor, Polly and Ben arrive in 1746, in the aftermath of the Battle of Culloden, and are captured by a group of Highlanders shortly before they themselves are captured by redcoats.

The Highlanders (2)

E16The Highlanders (2)

25m6.2

Dec 24, 1966

Polly and Kirsty capture Lieutenant Ffinch to try and enlist his help while the Doctor tricks Grey in order to escape.

The Highlanders (3)

E17The Highlanders (3)

25m6.2

Dec 31, 1966

With the Highlanders imprisoned aboard Trask's ship, the Doctor attempts to expose Grey's plan.

The Highlanders (4)

E18The Highlanders (4)

25m6.0

Jan 7, 1967

Ben manages to join up with the Doctor, Polly and Kirsty and together they work to free the Highlanders from Trask's ship before Grey sells them into slavery.

The Underwater Menace (1)

E19The Underwater Menace (1)

25m4.3

Jan 14, 1967

The TARDIS materialises on a deserted beach where the Doctor and his friends are captured by primitive warriors and taken to the fabled city of Atlantis.

The Underwater Menace (2)

E20The Underwater Menace (2)

25m5.0

Jan 21, 1967

While Ara tries to save Polly from being turned into a Fish Person and Ben and Jamie try to escape from the mines, the Doctor discovers the full extent of Zaroff's plans.

The Underwater Menace (3)

E21The Underwater Menace (3)

24m5.1

Jan 28, 1967

The Doctor and Ramo are sentenced to be sacrificed to the goddess Amdo and must escape to put a stop to Zaroff's plan.

The Underwater Menace (4)

E22The Underwater Menace (4)

25m4.9

Feb 4, 1967

With Zaroff's plan nearing completion, the Doctor and Ben realise the only way to save the world is to destroy Atlantis.

The Moonbase (1)

E23The Moonbase (1)

25m6.4

Feb 11, 1967

The TARDIS arrives on the Moon in the year 2070.When Jamie is injured, the other travellers are forced to seek the help of a moonbase afflicted with a space plague.

The Moonbase (2)

E24The Moonbase (2)

25m6.8

Feb 18, 1967

The Doctor and his friends attempt to convince the Moonbase crew that the Cybermen are responsible for the disappearances and find a cure for the plague.

The Moonbase (3)

E25The Moonbase (3)

25m6.5

Feb 25, 1967

The Cybermen take over the Moonbase and begin using the Gravitron to attack Earth but Polly, Ben and Jamie come up with a way to fight back.

The Moonbase (4)

E26The Moonbase (4)

25m6.2

Mar 4, 1967

With the Cybermen preparing to launch a full attack, the Doctor and his friends must keep the Moonbase and the Gravitron out of their hands until help arrives from Earth.

The Macra Terror (1)

E27The Macra Terror (1)

25m7.0

Mar 11, 1967

The TARDIS arrives at a holiday camp company with the crew worried by a prediction of giant crabs and the Doctor becomes interested in the apparent madman Medok's stories of creatures that roam the colony at night.

The Macra Terror (2)

E28The Macra Terror (2)

25m7.6

Mar 18, 1967

The Doctor is unable to convince the colonists that the Macra exist and an attempt to brainwash his companions results in Ben betraying his friends.

The Macra Terror (3)

E29The Macra Terror (3)

25m7.2

Mar 25, 1967

The Doctor, Polly and Jamie are sentenced to work in the pits and an escape attempt sees Ben's loyalties called into question again.

The Macra Terror (4)

E30The Macra Terror (4)

25m7.4

Apr 1, 1967

The Doctor and Polly manage to save Jamie from the Macra and then try to show the Pilot who is really in charge of the colony.

The Faceless Ones (1)

E31The Faceless Ones (1)

25m5.7

Apr 8, 1967

The TARDIS materialises on the runway of Gatwick Airport, where Polly witnesses a murder only to be kidnapped before she can report it.

The Faceless Ones (2)

E32The Faceless Ones (2)

25m6.2

Apr 15, 1967

With Polly having apparently forgotten them, the Doctor, Ben and Jamie decide to carry out their own investigation of Chameleon Tours.

The Faceless Ones (3)

E33The Faceless Ones (3)

25m6.5

Apr 22, 1967

The Doctor, Jamie and Sam manage to convince Crossland to trust them and he persuades the Commandant to let them continue their investigation.

The Faceless Ones (4)

E34The Faceless Ones (4)

25m6.5

Apr 29, 1967

When Spencer attempts to kill them, the Doctor, Jamie and Sam become convinced Chameleon Tours are hiding something and Sam decides to book a ticket on one of their flights.

The Faceless Ones (5)

E35The Faceless Ones (5)

25m6.5

May 6, 1967

Jamie finds himself aboard the Chameleons' satellite and meets their Director while the Doctor forces the Chameleon Meadows to tell him the aliens' plans.

The Faceless Ones (6)

E36The Faceless Ones (6)

25m6.5

May 13, 1967

The Doctor and Pinto are captured by the Chameleons but the Doctor manages to use their dependence on their human originals to create dissent in their ranks.

The Evil of the Daleks (1)

E37The Evil of the Daleks (1)

25m7.7

May 20, 1967

Trying to find the stolen TARDIS, the Second Doctor and Jamie are lured into a trap by the Doctor's old enemies the Daleks.

The Evil of the Daleks (2)

E38The Evil of the Daleks (2)

25m7.8

May 27, 1967

The Doctor and Jamie investigate Waterfield's antiques shop, where they are knocked unconscious and transported back to the 19th century.

The Evil of the Daleks (3)

E39The Evil of the Daleks (3)

25m7.0

Jun 3, 1967

As part of the Daleks' experiment, the Doctor manipulates Jamie into attempting to rescue Victoria.

The Evil of the Daleks (4)

E40The Evil of the Daleks (4)

25m7.0

Jun 10, 1967

Jamie and Kemel team up to try and find Victoria, while the Doctor and the Daleks continue to monitor their progress.

The Evil of the Daleks (5)

E41The Evil of the Daleks (5)

25m7.8

Jun 17, 1967

With the experiment at an end, the Doctor begins to suspect the key to rescuing Jamie, Victoria and Kemel from the Daleks lies with Terrall.

The Evil of the Daleks (6)

E42The Evil of the Daleks (6)

25m7.2

Jun 24, 1967

The Doctor, Jamie and Waterfield follow the Daleks to Skaro, where they discover an unforeseen consequence to their experiment.

The Evil of the Daleks (7)

E43The Evil of the Daleks (7)

25m8.5

Jul 1, 1967

The Daleks are poised to spread the Dalek Factor throughout the history of Earth and begin by implanting the Doctor.

No complete stories from the season were known to have survived until the early-1990s when archivists recovered a complete version of The Tomb of the Cybermen. A second complete story, The Enemy of the World was recovered in 2013, along with a nearly complete recovery of the story that followed it, The Web of Fear. The season is also notable for having Patrick Troughton play a double-role as both the Doctor and Salamander in The Enemy of the World.

The Tomb of the Cybermen (1)

E1The Tomb of the Cybermen (1)

25m8.8

Sep 2, 1967

The Doctor, Jamie and Victoria arrive on Telos, where an archaeological group are exploring the Tomb of the Cybermen. But are the Cybermen as dormant as they believe?

The Tomb of the Cybermen (2)

E2The Tomb of the Cybermen (2)

25m8.4

Sep 9, 1967

The archaeologists learn they are stranded on Telos and Klieg suggests they use the opportunity to explore the Cybermen's tombs.

The Tomb of the Cybermen (3)

E3The Tomb of the Cybermen (3)

25m8.6

Sep 16, 1967

The Cybermen have been revived and plan to convert the archeologists into their own kind, prompting Hopper to attempt a rescue.

The Tomb of the Cybermen (4)

E4The Tomb of the Cybermen (4)

25m8.5

Sep 23, 1967

Klieg attempts to do a deal with the Cybercontroller while the Doctor tries to find a way to refreeze the Cybermen permanently.

The Abominable Snowmen (1)

E5The Abominable Snowmen (1)

25m7.0

Sep 30, 1967

When the TARDIS materialises in the Himalayas, the Doctor decides to pay a return visit to the nearby Det-Sen monastery only to be accused of murder.

The Abominable Snowmen (2)

E6The Abominable Snowmen (2)

25m7.0

Oct 7, 1967

Jamie and Victoria make their way to the monastery shortly before it is attacked by the Yeti.

The Abominable Snowmen (3)

E7The Abominable Snowmen (3)

25m6.6

Oct 14, 1967

While the Doctor and Jamie return to the TARDIS for equipment, the control sphere Jamie brought to the monastery is reactivated.

The Abominable Snowmen (4)

E8The Abominable Snowmen (4)

25m6.0

Oct 21, 1967

The Yeti escapes from the monastery and Victoria and Thonmi are accused of assisting it, while the Doctor and Jamie endure a perilous journey back across the mountains.

The Abominable Snowmen (5)

E9The Abominable Snowmen (5)

25m6.0

Oct 28, 1967

Victoria falls under the mental influence of Padmasambhva as the Yeti attack in order to drive the monks from the area.

The Abominable Snowmen (6)

E10The Abominable Snowmen (6)

25m6.0

Nov 4, 1967

With the Great Intelligence on the verge of becoming corporeal, the Doctor challenges Padmasambhva to a mental battle in order to defeat it.

The Ice Warriors (1)

E11The Ice Warriors (1)

25m6.8

Nov 11, 1967

The Doctor, Jamie and Victoria are brought to a base which is attempting to halt the flow of the Second Ice Age.

The Ice Warriors (2)

E12The Ice Warriors (2)

25m6.5

Nov 18, 1967

Varga revives and takes Victoria hostage as he works to revive his crew while the Doctor and Jamie find Penley stealing medical supplies.

The Ice Warriors (3)

E13The Ice Warriors (3)

25m6.2

Nov 25, 1967

Jamie and Arden venture out to rescue Victoria only to find the rest of the Ice Warriors are now active.

The Ice Warriors (4)

E14The Ice Warriors (4)

25m6.2

Dec 2, 1967

The Doctor leaves the base to try and find Jamie and Victoria while Storr tries to do a deal with the Ice Warriors.

The Ice Warriors (5)

E15The Ice Warriors (5)

25m6.2

Dec 9, 1967

The Doctor and Victoria are both held prisoner by the Ice Warriors as Varga decides to take over Brittanicus.

The Ice Warriors (6)

E16The Ice Warriors (6)

25m6.0

Dec 16, 1967

The Doctor and Victoria attempt to force the Ice Warriors to surrender control of the ioniser before the ice flow destroys them.

The Enemy of the World (1)

E17The Enemy of the World (1)

25m8.8

Dec 23, 1967

After the Doctor is attacked by a group of mysterious gunmen, he discovers he is the physical double of the famous scientist Salamander.

The Enemy of the World (2)

E18The Enemy of the World (2)

25m7.8

Dec 30, 1967

Jamie and Victoria agree to accompany Astrid to Hungary to observe Salamander's activities.

The Enemy of the World (3)

E19The Enemy of the World (3)

25m7.4

Jan 6, 1968

Jamie and Victoria join Astrid into attempting to rescue Denes but Salamander becomes suspicious of them.

The Enemy of the World (4)

E20The Enemy of the World (4)

25m7.2

Jan 13, 1968

Fariah brings the Doctor and Kent evidence of Salamander's activities but then they come under attack from Benik.

The Enemy of the World (5)

E21The Enemy of the World (5)

25m7.2

Jan 20, 1968

The Doctor persuades Bruce to help him infiltrate Salamander's research centre while Salamander takes drastic action to prevent Swann finding out the truth.

The Enemy of the World (6)

E22The Enemy of the World (6)

25m8.3

Jan 27, 1968

The Doctor discovers the true link between Salamander and Kent while Astrid tries to convince the shelter inhabitants they have been lied to.

The Web of Fear (1)

E23The Web of Fear (1)

25m8.2

Feb 3, 1968

The TARDIS becomes trapped in space before ending up in an underground station of a mysteriously deserted London.

The Web of Fear (2)

E24The Web of Fear (2)

25m7.0

Feb 10, 1968

Jamie and Victoria are reunited with Travers before Jamie joins the soldiers in attempting to find out what has happened to the Doctor.

The Web of Fear (3)

E25The Web of Fear (3)

25m6.8

Feb 17, 1968

The Doctor and Victoria are taken back to the Goodge Street base by Colonel Lethbridge-Stewart where the Doctor becomes convinced there is a traitor in their midst.

The Web of Fear (4)

E26The Web of Fear (4)

25m7.2

Feb 24, 1968

With Travers having been captured by the Yeti, the Doctor attempts to find a way to gain control of the robots while Lethbridge-Stewart tries to recover the TARDIS.

The Web of Fear (5)

E27The Web of Fear (5)

25m7.0

Mar 2, 1968

Victoria and Travers are held prisoner by the Great Intelligence, who is planning to drain the Doctor's mind.

The Web of Fear (6)

E28The Web of Fear (6)

25m7.0

Mar 9, 1968

The Doctor and his friends are held prisoner by the Intelligence and their only hope lies with Jamie, Arnold and a reprogrammed Yeti.

Fury from the Deep (1)

E29Fury from the Deep (1)

25m7.2

Mar 16, 1968

The Doctor, Jamie and Victoria are taken prisoner by the staff of a gas refinery, who have lost contact with their drilling rigs and experienced mysterious drops in pressure.

Fury from the Deep (2)

E30Fury from the Deep (2)

25m7.0

Mar 23, 1968

Harris asks for the Doctor's help with Maggie, while Van Lutyens and the Chief Engineer attempt to find out what is blocking the impeller.

Fury from the Deep (3)

E31Fury from the Deep (3)

25m7.2

Mar 30, 1968

While the Doctor begins his investigation into the weed creatures, Robson is attacked by one at the refinery.

Fury from the Deep (4)

E32Fury from the Deep (4)

25m7.0

Apr 6, 1968

Van Lutyens' investigation of the base of the impeller places the Doctor and Jamie in danger from the Weed Creature.

Fury from the Deep (5)

E33Fury from the Deep (5)

25m7.2

Apr 13, 1968

With the Weed Creature poised to burst out of the pipeline and attack the base, an encounter with Oak and Quill gives the Doctor a vital clue about its weakness.

Fury from the Deep (6)

E34Fury from the Deep (6)

25m7.2

Apr 20, 1968

The Doctor and Jamie rescue Victoria from Robson and realise they can destroy the Weed Creature with sound waves.

The Wheel in Space (1)

E35The Wheel in Space (1)

25m5.5

Apr 27, 1968

The Doctor and Jamie arrive on a mysterious spacecraft whose only occupant is a dangerous Servo Robot.

The Wheel in Space (2)

E36The Wheel in Space (2)

25m5.2

May 4, 1968

The Doctor and Jamie are brought aboard the Wheel where Jamie is horrified to learn the crew plan to destroy the Silver Carrier with the TARDIS on board.

The Wheel in Space (3)

E37The Wheel in Space (3)

25m6.0

May 11, 1968

Jamie sabotages the Wheel's x-ray laser, unknowingly giving the Cybermen an opportunity to reach the Wheel.

The Wheel in Space (4)

E38The Wheel in Space (4)

25m5.5

May 18, 1968

The Cybermen instruct their human slaves to smuggle them onto the Wheel while the Doctor attempts to convince Bennett of the threat they pose.

The Wheel in Space (5)

E39The Wheel in Space (5)

25m5.5

May 25, 1968

The Cybermen gain control of more members of the Wheel crew and the Doctor realises the only way to stop them is for Jamie and Zoe to make a dangerous space walk.

The Wheel in Space (6)

E40The Wheel in Space (6)

25m6.2

Jun 1, 1968

Jamie and Zoe attempt to recover the time vector generator while the Cybermen realise the Doctor is on the Wheel and make him their prime target.

This season featured the first ever UNIT story, The Invasion, which showcased the return of Brigadier Lethbridge-Stewart. It also featured the first official appearance of Time Lords and the as yet unnamed Doctor's home planet (another member of Susan and the Doctor's race, the Monk, had appeared previously, but without much elaboration and without using the term "Time Lord"). It also marked the tenure of Patrick Troughton as the Second Doctor. It consisted of seven serials and forty-four episodes, including two epic-length storylines: the eight episodes of The Invasion and the ten-episode The War Games.

The Dominators (1)

E1The Dominators (1)

25m5.8

Aug 10, 1968

The TARDIS arrives on the planet Dulkis where the Doctor, Zoe and Jamie decide to have a quiet holiday. Only to find the Evil Dominators and their robotic slaves, The Quarks have arrived on a radioactive island, where they plan to detonate a bomb in the planet's core, which will turn the entire planet as source of radioactive fuel for their invasion fleet.

The Dominators (2)

E2The Dominators (2)

25m6.1

Aug 17, 1968

The Doctor and Jamie are captured by the Dominators, who subject them to an intelligence test, while Zoe and Cully attempt to convince the Dulcian council of the threat.

The Dominators (3)

E3The Dominators (3)

25m5.1

Aug 24, 1968

Zoe and Cully are captured by the Dominators and put to work alongside the survey team while the Doctor and Jamie decide to return to the island to help.

The Dominators (4)

E4The Dominators (4)

24m5.1

Aug 31, 1968

The Doctor and Zoe are interrogated by Rago, who is planning to present his terms to the Dulcian council, while Jamie and Cully try to find a way to strike back against the Quarks.

The Dominators (5)

E5The Dominators (5)

25m5.6

Sep 7, 1968

Jamie and Cully manage to rescue the Doctor's party and together they try to find a way to stop the Dominators before they destroy the entire planet.

The Mind Robber (1)

E6The Mind Robber (1)

22m7.2

Sep 14, 1968

The TARDIS arrives in a white void, having made an emergency take-off to escape the volcanic eruption on Dulkis. The Doctor, Jamie and Zoe find themselves in the Land of Fiction, where characters from the imagination come to life, and The Master, the mysterious ruler, chooses the Doctor to take his place.

The Mind Robber (2)

E7The Mind Robber (2)

22m6.9

Sep 21, 1968

With the TARDIS destroyed, the Doctor, Jamie and Zoe find themselves in a strange forest patrolled by mysterious soldiers.

The Mind Robber (3)

E8The Mind Robber (3)

20m6.5

Sep 28, 1968

The Doctor realises that the travellers are trapped in a world where fiction is real and where creatures are a threat if people believe in them.

The Mind Robber (4)

E9The Mind Robber (4)

20m6.2

Oct 5, 1968

The Doctor, Jamie and Zoe reach the citadel at the centre of the land, where they finally encounter the Master of the Land of Fiction.

The Mind Robber (5)

E10The Mind Robber (5)

18m6.4

Oct 12, 1968

With Jamie and Zoe having been turned into fiction, the Doctor must find a way to save them without suffering the same fate or becoming part of the Master Brain.

The Invasion (1)

E11The Invasion (1)

24m8.6

Nov 2, 1968

The Doctor and the newly formed UNIT must stop a Cybermen Invasion and a Sinister Industrialist in league with them

The Invasion (2)

E12The Invasion (2)

25m8.1

Nov 9, 1968

The Doctor and Jamie are taken prisoner by their mysterious observers and have a reunion with an old friend while Zoe and Isobel carry out their own investigation of IE.

The Invasion (3)

E13The Invasion (3)

24m7.8

Nov 16, 1968

The Doctor and Jamie return to the IE factory in search of Zoe and Isobel, where they meet with Professor Watkins and fall foul of Vaughn.

The Invasion (4)

E14The Invasion (4)

24m8.0

Nov 23, 1968

The Doctor and Jamie enlist the help of UNIT to rescue Zoe and Isobel before trying to find out what Vaughn is really up to.

The Invasion (5)

E15The Invasion (5)

24m8.0

Nov 30, 1968

The Doctor and Jamie tell the Brigadier about the Cybermen but with Rutledge under Vaughn's control he is powerless to act.

The Invasion (6)

E16The Invasion (6)

24m8.1

Dec 7, 1968

Captain Turner manages to rescue Jamie and the others, while the Doctor begins working on a way to protect everyone from the Cybermen's hypno-sound signal.

The Invasion (7)

E17The Invasion (7)

25m8.2

Dec 14, 1968

With the entire world unconscious apart from the Doctor and his friends, the Cybermen are poised to invade and only Zoe, the Brigadier and a missile crew can stop them.

The Invasion (8)

E18The Invasion (8)

24m8.4

Dec 21, 1968

The Cybermen have launched their deadly megatron bomb which will destroy all life on Earth unless the Doctor can deactivate the homing signal.

The Krotons (1)

E19The Krotons (1)

23m6.3

Dec 28, 1968

When the TARDIS arrives on the planet of the Gonds, the Doctor, Jamie and Zoe discover a world ruled and enslaved by the Krotons. The brightest Gonds are always chosen to serve as companions of the Krotons and are never seen again...

The Krotons (2)

E20The Krotons (2)

24m6.6

Jan 4, 1969

Zoe is selected as a companion for the Krotons and the Doctor insists on joining her.

The Krotons (3)

E21The Krotons (3)

22m6.0

Jan 11, 1969

Jamie is held prisoner by the Krotons who intend to recapture the Doctor and Zoe for their mental energy.

The Krotons (4)

E22The Krotons (4)

23m6.4

Jan 18, 1969

Selris succeeds in drawing the Krotons out of the Dynatrope but Eelek agrees to hand the Doctor and Zoe over to them in return for their leaving the planet.

The Seeds of Death (1)

E23The Seeds of Death (1)

25m7.3

Jan 25, 1969

21st century Earth is entirely dependent on the T-Mat transport system but the control centre on the moon has stopped functioning. Meanwhile, the Doctor, Jamie and Zoe meet the one man who can solve the crisis.

The Seeds of Death (2)

E24The Seeds of Death (2)

25m7.0

Feb 1, 1969

Eldred agrees to supply a rocket for travel to the moon and the Doctor, Jamie and Zoe volunteer to crew it.

The Seeds of Death (3)

E25The Seeds of Death (3)

25m7.0

Feb 8, 1969

The Doctor, Jamie and Zoe make it to the moon and join forces with Phipps but the Ice Warriors have gained control of T-mat.

The Seeds of Death (4)

E26The Seeds of Death (4)

25m7.0

Feb 15, 1969

The Ice Warriors' seed pods beginning materialising all over the globe while Slaar decides to kill the Doctor by T-matting him into space.

The Seeds of Death (5)

E27The Seeds of Death (5)

25m6.7

Feb 22, 1969

The Doctor and his allies manage to return to Earth via T-mat only to find the Ice Warrior has attacked the weather control station.

The Seeds of Death (6)

E28The Seeds of Death (6)

25m6.5

Mar 1, 1969

The Doctor manages to create a rain storm to destroy the Martian fungus before trying to find a way to stop the Ice Warriors' invasion fleet.

The Space Pirates (1)

E29The Space Pirates (1)

25m5.5

Mar 8, 1969

Space beacons are being destroyed by pirates, who are salvaging the argonite metal. When the Doctor, Jamie and Zoe arrive on one of the beacons, they are mistaken for pirates.

The Space Pirates (2)

E30The Space Pirates (2)

25m5.8

Mar 15, 1969

With the Doctor, Jamie and Zoe trapped on a beacon segment, Hermack becomes suspicious of the unruly prospector Milo Clancey.

The Space Pirates (3)

E31The Space Pirates (3)

25m6.0

Mar 22, 1969

The Doctor, Jamie and Zoe flee from the Space Corps with Clancey, who decides to seek refuge on Ta.

The Space Pirates (4)

E32The Space Pirates (4)

25m6.2

Mar 29, 1969

The Doctor, Jamie and Zoe are held prisoner by the space pirates while Caven comes up with a plan to throw suspicion onto Clancey.

The Space Pirates (5)

E33The Space Pirates (5)

25m6.5

Apr 5, 1969

Madeleine is revealed to be working with Caven, who comes up with a way to kill the Doctor and his friends whilst framing them for the piracy.

The Space Pirates (6)

E34The Space Pirates (6)

25m6.8

Apr 12, 1969

With Clancey and Issigri trapped aboard the LIZ, the Doctor, Jamie and Zoe try to convince Madeleine to help them before Caven destroys Ta.

The War Games (1)

E35The War Games (1)

26m8.6

Apr 19, 1969

The Doctor, Jamie and Zoe realise they have arrived in the trenches of the First World War, where the sinister General Smythe accuses them of espionage.

The War Games (2)

E36The War Games (2)

25m8.3

Apr 26, 1969

The Doctor and Zoe manage to escape from Ransom and attempt to rescue Jamie from the military prison.

The War Games (3)

E37The War Games (3)

24m8.1

May 3, 1969

The Doctor and his friends realise the area is divided into different time zones and decide to return to the château to obtain a map from Smythe.

The War Games (4)

E38The War Games (4)

23m7.6

May 10, 1969

The Doctor and Zoe are transported to the control centre of the war games while Jamie and Lady Jennifer fall foul of American Revolution soldiers.

The War Games (5)

E39The War Games (5)

25m8.0

May 17, 1969

The Doctor attempts to rescue Zoe and Carstairs while Jamie and Lady Jennifer try to convince the resistance of the true nature of Von Weich and the others.

The War Games (6)

E40The War Games (6)

23m8.0

May 24, 1969

The scientist examines the captured resistance fighters and realises Jamie is a new arrival on the planet while the Doctor, Zoe and Carstairs try to rescue their friends.

The War Games (7)

E41The War Games (7)

23m8.0

May 31, 1969

The Doctor, Jamie and Carstairs manage to return to the 1917 zone only to be captured by Smythe, who orders the Doctor executed.

The War Games (8)

E42The War Games (8)

25m8.0

Jun 7, 1969

The Doctor and the processing machine have been taken by the Aliens but the resistance are making plans to attack the control centre.

The War Games (9)

E43The War Games (9)

25m8.3

Jun 14, 1969

To prove his loyalty to the Aliens, the Doctor is ordered to reprocess his friends while the Security Chief finally uncovers evidence of the War Chief's treachery.

The War Games (10)

E44The War Games (10)

25m9.0

Jun 21, 1969

The TARDIS is drawn to the planet of the Time Lords where both the Doctor and the War Lord are placed on trial.

It was the first series produced and broadcast in colour and the first set entirely in one time period and almost entirely on Earth (the latter of these factors would later be repeated for Season 26 and Series 1, although in those two cases there was no attempt at an in-universe explanation for confining the Doctor to the planet). Although the series did not have an overall story arc, it did feature a recurring subplot of the Doctor trying to adjust to life as an exile while trying to circumvent the restrictions placed upon him by the Time Lords, and began the process where the Doctor would try to gain more control over his TARDIS. Beginning with this series and continuing for the next few years, most storylines involve the Doctor working with UNIT.

Spearhead from Space (1)

E1Spearhead from Space (1)

25m8.2

Jan 3, 1970

As the newly-regenerated Doctor arrives on Earth, so does the Nestene too.

Spearhead from Space (2)

E2Spearhead from Space (2)

25m8.4

Jan 10, 1970

UNIT's attempts to locate the meteorites are hampered by the mysterious plastic Autons, being constructed by Channing at a nearby factory, while the Doctor makes another attempt to escape from the hospital.

Spearhead from Space (3)

E3Spearhead from Space (3)

25m8.1

Jan 17, 1970

Ransome manages to escape from the plastics factory and alert UNIT, prompting the Doctor and the Brigadier to start an investigation.

Spearhead from Space (4)

E4Spearhead from Space (4)

25m7.9

Jan 24, 1970

With UNIT's investigation being blocked by the Replica of Scobie, the Doctor and Liz visit Madame Tussaud's to try and find out more as Channing prepares to activate the Autons.

Doctor Who and the Silurians (1)

E5Doctor Who and the Silurians (1)

25m7.4

Jan 31, 1970

The Doctor and Liz are summoned to the Wenley Moor Research Centre by the Brigadier, after several staff members suffer nervous breakdowns.

Doctor Who and the Silurians (2)

E6Doctor Who and the Silurians (2)

25m7.2

Feb 7, 1970

The Doctor attempts to convince people there are monsters in the caves, prompting Major Baker to start shooting at a reptile man.

Doctor Who and the Silurians (3)

E7Doctor Who and the Silurians (3)

25m7.3

Feb 14, 1970

The Silurians contact Quinn for help in retrieving the creature while the Doctor and the Brigadier organise a search of the moors.

Doctor Who and the Silurians (4)

E8Doctor Who and the Silurians (4)

25m7.4

Feb 21, 1970

With Quinn dead, the Brigadier decides to take an armed party into the caves, prompting the Doctor to contact the Silurians himself.

Doctor Who and the Silurians (5)

E9Doctor Who and the Silurians (5)

25m7.4

Feb 28, 1970

Worried about the Old Silurian's growing friendship with the Doctor, the Young Silurian has the scientist infect Baker with a virus and then release him.

Doctor Who and the Silurians (6)

E10Doctor Who and the Silurians (6)

25m7.4

Mar 7, 1970

While the Doctor and Liz try to find a cure to the virus spread by Baker, the Young Silurian kills the Old Silurian and takes control of his people.

Doctor Who and the Silurians (7)

E11Doctor Who and the Silurians (7)

25m7.8

Mar 14, 1970

While Liz distributes the cure to the virus, the Doctor discovers the Silurians now plan to wipe out humanity by destroying the Van Allen Belt.

The Ambassadors of Death (1)

E12The Ambassadors of Death (1)

25m7.3

Mar 21, 1970

While the Brigadier investigates a loss of contact with Mars Probe 7, the Doctor realises signals coming from the probe are of extra-terrestrial origin.

The Ambassadors of Death (2)

E13The Ambassadors of Death (2)

25m7.2

Mar 28, 1970

UNIT retrieve the returned Recovery 7 but then Carrington hijacks it while the Doctor and Liz try to decode the signal he sent.

The Ambassadors of Death (3)

E14The Ambassadors of Death (3)

25m7.3

Apr 4, 1970

Carrington is holding the astronauts at a secret location but when he takes the Doctor, Liz and the Brigadier there they find they have been kidnapped.

The Ambassadors of Death (4)

E15The Ambassadors of Death (4)

25m7.0

Apr 11, 1970

Liz has been captured by Reegan's men and the Doctor begins to suspect Taltalian is more involved than he appeared.

The Ambassadors of Death (5)

E16The Ambassadors of Death (5)

25m6.6

Apr 18, 1970

The Doctor decides to take Recovery 7 back into space to search for the missing astronauts but Reegan sabotages the launch.

The Ambassadors of Death (6)

E17The Ambassadors of Death (6)

25m6.8

Apr 25, 1970

The Doctor speaks with the alien captain and learns the astronauts sent to Earth were ambassadors. However, before he can alert the authorities he is kidnapped by Reegan.

The Ambassadors of Death (7)

E18The Ambassadors of Death (7)

25m6.7

May 2, 1970

Carrington is planning to expose the aliens on live television and call for an interplanetary war and the Brigadier must rescue the Doctor and Liz in time to stop him.

Inferno (1)

E19Inferno (1)

25m8.0

May 9, 1970

England, the near future. UNIT is providing security and scientific support for the Stahlman project, an attempt to tap the Earth's core for energy. But things are already going wrong…

Inferno (2)

E20Inferno (2)

25m7.9

May 16, 1970

Strange deaths, men changing into monsters, hot green slime pouring out of the waste pipes – but Professor Stahlman is determined to press ahead with the Inferno project no matter what the cost!

Inferno (3)

E21Inferno (3)

25m8.2

May 23, 1970

The Doctor has vanished from the Inferno project… or has he? He finds himself in the same place, but everyone has changed… and the drilling is closer to its deadly conclusion.

Inferno (4)

E22Inferno (4)

25m7.5

May 30, 1970

In a parallel England, the Doctor tries desperately to convince his captors of the immense peril they are in. But they are convinced he is a spy. And penetration zero is getting close…

Inferno (5)

E23Inferno (5)

25m7.9

Jun 6, 1970

The parallel Inferno has broken through the Earth's crust, unleashing terrible seismic forces and dooming the planet. The Doctor hopes to return and save his world. But the bestial primords are closing in...

Inferno (6)

E24Inferno (6)

25m7.8

Jun 13, 1970

The Doctor is trapped in a parallel world that is going up in flames. Can he escape in time to save Earth in his own universe?

Inferno (7)

E25Inferno (7)

25m7.7

Jun 20, 1970

The Doctor has escaped the catastrophic destruction of a parallel world. But can he stop Stahlman before he destroys this one?

As of 2017, season 8 remains notable for being the season with the most number of regular characters. Not only did it see a new companion in the form of Jo Grant, but it featured a regular enemy — The Master — who was the first regular Time Lord enemy of the Doctor to appear more than twice, and an expanded regular UNIT cast that now included Sergeant Benton and Mike Yates in most episodes. Adding in returning regulars Jon Pertwee and Nicholas Courtney, the regular cast swelled to six.

Terror of the Autons (1)

E1Terror of the Autons (1)

25m7.4

Jan 2, 1971

When a Nestene Energy Unit is stolen and a radio telescope sabotaged, the Doctor is contacted by a Time Lord who tells him his old rival the Master is responsible.

Terror of the Autons (2)

E2Terror of the Autons (2)

25m7.1

Jan 9, 1971

Attempting to find out where Jo encountered the Master, the Doctor heads to the circus where he falls foul of Rossini.

Terror of the Autons (3)

E3Terror of the Autons (3)

25m7.5

Jan 16, 1971

The Doctor and the Brigadier head to Farrel's factory but the Master and the Autons have already left and are distributing plastic daffodils around the country.

Terror of the Autons (4)

E4Terror of the Autons (4)

25m7.1

Jan 23, 1971

The Doctor discovers the plastic daffodils are designed to fire a spray that asphyxiates people, causing havoc prior to the Nestene's arrival, but before he can alert anyone he and Jo are captured by the Master.

The Mind of Evil (1)

E5The Mind of Evil (1)

25m7.1

Jan 30, 1971

The Doctor and Jo head to Stangmoor Prison to investigate the Keller Machine, which drains the evil impulses from prisoners' minds, while UNIT are handling security at the first world peace conference.

The Mind of Evil (2)

E6The Mind of Evil (2)

25m7.2

Feb 6, 1971

The Doctor is recalled by UNIT to help investigate Cheng-Tiek's murder but is unaware that Chin-Lee is under the control of the Master.

The Mind of Evil (3)

E7The Mind of Evil (3)

25m7.0

Feb 13, 1971

Realising Chin-Lee has been using the power of the Keller Machine to carry out assassinations, the Doctor heads back to Stangmoor, only to find the Master has teamed up with Mailer to stage another riot.

The Mind of Evil (4)

E8The Mind of Evil (4)

25m7.0

Feb 20, 1971

With the Doctor and Jo being held prisoner, the Master convinces Mailer to help him steal the Thunderbolt.

The Mind of Evil (5)

E9The Mind of Evil (5)

25m7.2

Feb 27, 1971

The Doctor is forced to help the Master control the mind parasite while Yates finds out where the Thunderbolt has been taken only to be captured by the Master's men.

The Mind of Evil (6)

E10The Mind of Evil (6)

25m7.3

Mar 6, 1971

The Brigadier has recaptured Stangmoor but the Master still has control of the Thunderbolt and the Doctor must find a way to stop him and destroy the Keller Machine.

The Claws of Axos (1)

E11The Claws of Axos (1)

25m6.8

Mar 13, 1971

When a mysterious object lands near the Nuton power complex, UNIT investigate and encounter the Axons, a group of aliens who offer the mineral axonite, which can duplicate matter, as a gift.

The Claws of Axos (2)

E12The Claws of Axos (2)

25m6.9

Mar 20, 1971

The Doctor and Winser begin to analyse axonite while Chinn plots to secure its use exclusively for Britain.

The Claws of Axos (3)

E13The Claws of Axos (3)

25m6.1

Mar 27, 1971

The Doctor and Jo are being held prisoner by Axos while Chinn is forced to organise the worldwide distribution of axonite and the Master returns to the power complex to try and steal the TARDIS.

The Claws of Axos (4)

E14The Claws of Axos (4)

25m6.6

Apr 3, 1971

The Doctor and Jo escape from Axos but then the Doctor offers the Master a deal; if he helps him repair the TARDIS, they can flee Earth together.

Colony in Space (1)

E15Colony in Space (1)

25m6.2

Apr 10, 1971

The Time Lords take control of the TARDIS and the Doctor and Jo arrive on an Earth Colony in the 25th century, where a ruthless mining company are using a dinosaur-like creature to force the colonists to leave the planet.

Colony in Space (2)

E16Colony in Space (2)

25m6.3

Apr 17, 1971

The Doctor discovers an Interplanetary Mining Corporation ship has landed on the planet in order to mine its duralinium, while Norton begins causing trouble at the colony.

Colony in Space (3)

E17Colony in Space (3)

25m6.0

Apr 24, 1971

The Doctor makes it back to the colony and warns Ashe what Dent is up to but when Jo and Winton try to find proof they are captured.

Colony in Space (4)

E18Colony in Space (4)

25m6.6

May 1, 1971

The Doctor descends into the Primitive city to try and find Jo while the colonists receive a visit from the Adjudicator.

Colony in Space (5)

E19Colony in Space (5)

25m7.0

May 8, 1971

The Master offers to help the colonists in exchange for information on the Primitive city and forces the Doctor to act as a guide by taking Jo hostage.

Colony in Space (6)

E20Colony in Space (6)

25m7.0

May 15, 1971

The Doctor and the Master are taken into the Primitive city, where the Master hopes to find the doomsday weapon, while Dent forces the colonists to leave the planet even though their ship is likely to explode.

The Dæmons (1)

E21The Dæmons (1)

25m7.1

May 22, 1971

Earth, the near future. When an archaological dig at the village of Devil's End goes disastrously wrong, an ancient power begins to revive. Can even the Doctor withstand the power of the Daemons? And just what is the local vicar up to in his spare time?

The Dæmons (2)

E22The Dæmons (2)

25m7.0

May 29, 1971

With the Doctor frozen by the energy release from the barrow, Jo calls Yates and Benton for help, but when the Brigadier tries to join them he finds the village surrounded by a heat barrier.

The Dæmons (3)

E23The Dæmons (3)

25m7.4

Jun 5, 1971

The Doctor explains to his friends that the Master is trying to gain the power of the last of the Daemons, a race who influenced Earth's development, while the Master brings the rest of the village under his control.

The Dæmons (4)

E24The Dæmons (4)

25m7.6

Jun 12, 1971

The Master orders Bert to set a trap for the Doctor at the village while a concussed Jo makes for the cavern.

The Dæmons (5)

E25The Dæmons (5)

25m7.6

Jun 19, 1971

The Master decides to sacrifice Jo to Azal and when the Doctor and his friends try to intervene they come under attack from Bok.

It was noted for being the beginning of the end of the Doctor's exile on Earth, with the Doctor's TARDIS still under the control of the Time Lords (The Mutants) and restricted freedom (The Curse of Peladon and The Time Monster), as well as UNIT and the Master appearing less frequently in compared to the previous two series. As well as the return of the Daleks and the Ice Warriors, this series also introduced Alpha Centauri, Aggedor and the Silurians' aquatic cousins the Sea Devils.

Day of the Daleks (1)

E1Day of the Daleks (1)

25m6.4

Jan 1, 1972

When someone tries to assassinate diplomat Sir Reginald Styles, UNIT investigate the possibility his attacker came from the future.

Day of the Daleks (2)

E2Day of the Daleks (2)

25m6.3

Jan 8, 1972

Jo uses the guerrillas' time machine to travel to the 22nd century where the Controller tricks her into telling the Daleks where she's come from.

Day of the Daleks (3)

E3Day of the Daleks (3)

25m6.1

Jan 15, 1972

The Doctor forces the guerrillas to take him to the 22nd century where he is soon captured by the Controller.

Day of the Daleks (4)

E4Day of the Daleks (4)

25m6.5

Jan 22, 1972

The guerrillas infiltrate the Daleks' base to rescue the Doctor and Jo and ask them to return to their own time and alter history before the 20th century is plunged into a Third World War.

The Curse of Peladon (1)

E5The Curse of Peladon (1)

25m6.4

Jan 29, 1972

The Doctor and Jo arrive on the medieval planet Peladon, where the Doctor is mistaken for the Earth Delegate of the Galactic Federation and Jo is mistaken for a princess.

The Curse of Peladon (2)

E6The Curse of Peladon (2)

25m6.3

Feb 5, 1972

The Doctor is convinced the Ice Warriors are trying to sabotage the conference but his attempts to prove it see him accused of sacrilege.

The Curse of Peladon (3)

E7The Curse of Peladon (3)

25m6.3

Feb 12, 1972

The Doctor is sentenced to fight Grun to the death and his attempt to escape leads to an encounter with Aggedor.

The Curse of Peladon (4)

E8The Curse of Peladon (4)

25m6.8

Feb 19, 1972

Hepesh's plan has been exposed but he is still determined to prevent Peladon joining the Galactic Federation by leading a rebellion against the King.

The Sea Devils (1)

E9The Sea Devils (1)

25m7.3

Feb 26, 1972

The Doctor and Jo visit the Master at his island prison where the Doctor becomes curious about a number of ships sinking in the area.

The Sea Devils (2)

E10The Sea Devils (2)

25m7.5

Mar 4, 1972

The Doctor and Jo are trapped on the fort by a Sea Devil while the Master convinces Trenchard to help him steal some electronic components.

The Sea Devils (3)

E11The Sea Devils (3)

25m7.4

Mar 11, 1972

The Doctor is held prisoner by Trenchard while the Master attempts to contact the Sea Devils.

The Sea Devils (4)

E12The Sea Devils (4)

25m6.9

Mar 18, 1972

The Sea Devils attack the island prison and rescue the Master, prompting the Doctor to venture underwater to try and contact them.

The Sea Devils (5)

E13The Sea Devils (5)

25m7.0

Mar 25, 1972

The Doctor is taken to the Sea Devils' underwater colony where he tries to make peace with the creatures, only for the navy to attack the base.

The Sea Devils (6)

E14The Sea Devils (6)

25m7.1

Apr 1, 1972

The Sea Devils take over the naval base and the Doctor is forced to help the Master find a way to revive their colony.

The Mutants (1)

E15The Mutants (1)

25m6.3

Apr 8, 1972

The Doctor and Jo arrive on the planet Solos, on a assignment by the Time Lords, where they learn that the native Solonians are mutating into ant-like mutant creatures...

The Mutants (2)

E16The Mutants (2)

25m6.1

Apr 15, 1972

Ky transports himself and Jo down to Solos and the Marshal only agrees to help her if the Doctor assists Professor Jaeger in altering Solos' atmosphere.

The Mutants (3)

E17The Mutants (3)

25m6.0

Apr 22, 1972

The Doctor and Varan travel down to Solos to search for Jo and Ky but the Marshal orders his men to pursue them.

The Mutants (4)

E18The Mutants (4)

25m6.0

Apr 29, 1972

The Doctor and his friends are led to safety by Professor Sondergaard, who tries to help the Doctor translate the tablets.

The Mutants (5)

E19The Mutants (5)

25m5.7

May 6, 1972

The Marshal's premature use of Jaeger's experiment is threatening to destroy Solos' atmosphere and the Doctor returns to Skybase to try and correct the damage.

The Mutants (6)

E20The Mutants (6)

25m6.1

May 13, 1972

The Doctor is forced to help the Marshal cover up his actions with the Investigator but Jo and the others attempt to escape to expose him.

The Time Monster (1)

E21The Time Monster (1)

25m6.1

May 20, 1972

UNIT are invited to observe a demonstration of the new TOMTIT machine, unaware its creator, Professor Thascales, is actually the Master.

The Time Monster (2)

E22The Time Monster (2)

25m6.3

May 27, 1972

The Doctor realises the Master is trying to harness the power of Kronos, last of the Chronovores, but is unaware Percival is harbouring him at the institute.

The Time Monster (3)

E23The Time Monster (3)

25m6.3

Jun 3, 1972

The Master enlists the help of Krasis to control Kronos while Yates tries to bring the TARDIS to the institute only to come under attack from dangers from the past.

The Time Monster (4)

E24The Time Monster (4)

25m6.9

Jun 10, 1972

The Master prepares to travel back to Atlantis but the Doctor links his TARDIS to the Master's to try and stop him.

The Time Monster (5)

E25The Time Monster (5)

25m6.4

Jun 17, 1972

Both TARDISes reach Atlantis, where the Doctor befriends King Dalios while the Master enlists the help of Queen Galleia to try and obtain the crystal of Kronos.

The Time Monster (6)

E26The Time Monster (6)

25m5.4

Jun 24, 1972

The Doctor enters the labyrinth to try and protect Jo from the minotaur but the Master has seized control of Atlantis and prepares to summon Kronos again.

William Hartnell returned in a cameo as the First Doctor and Patrick Troughton in a more substantial role as the Second Doctor in The Three Doctors. This story marked the end of the Doctor's exile on Earth, opening up the series to more off-world adventures and beginning a gradual reduction of UNIT-related stories.

The Three Doctors (1)

E1The Three Doctors (1)

25m8.3

Dec 30, 1972

England, the near future. A strange anti-matter creature arrives on Earth and attacks UNIT HQ. It seems to be specifically seeking the Doctor out - but why? With the Time Lords themselves unable to help, it seems the only person who can help the Doctor is himself - or selves...

The Three Doctors (2)

E2The Three Doctors (2)

25m8.0

Jan 6, 1973

The third Doctor and Jo find themselves on an artificial world inside the black hole while the second Doctor tries to find a way to control the organism.

The Three Doctors (3)

E3The Three Doctors (3)

25m7.9

Jan 13, 1973

The Time Lord Omega reveals himself to the third Doctor along with plans for vengeance against his own kind.

The Three Doctors (4)

E4The Three Doctors (4)

25m7.8

Jan 20, 1973

Omega reveals the purpose behind bringing the Doctor to his antimatter world, but the Doctor(s) discover a startling fact about Omega that he didn't know himself and eventually strike a bargain.

Carnival of Monsters (1)

E5Carnival of Monsters (1)

25m6.6

Jan 27, 1973

The Doctor attempts to test his new dematerialisation circuit by taking Jo to Metebelis Three but instead the TARDIS arrives in the hold of a 1920s cargo ship.

Carnival of Monsters (2)

E6Carnival of Monsters (2)

25m6.5

Feb 3, 1973

The Doctor and Jo attempt to find a way out of the Scope but, when Vorg attempts to entertain the Minorans, the crew of the Bernice suddenly become a lot more dangerous.

Carnival of Monsters (3)

E7Carnival of Monsters (3)

25m6.2

Feb 10, 1973

The Doctor and Jo return to the Bernice to try and aid their escape but find themselves pursued by the Drashigs.

Carnival of Monsters (4)

E8Carnival of Monsters (4)

25m6.3

Feb 17, 1973

The Doctor escapes from the Scope and joins forces with Vorg to try and save its inhabitants but Kalik is still determined to use the Drashigs to start a rebellion.

Frontier in Space (1)

E9Frontier in Space (1)

25m7.0

Feb 24, 1973

The Doctor and Jo land on a spaceship in the far future as it is attacked by Ogrons, which the human crew see as Draconians. The Doctor and Jo are taken to Earth as spies.

Frontier in Space (2)

E10Frontier in Space (2)

25m6.3

Mar 3, 1973

The Doctor and Jo are taken to Earth, where both humans and Draconians believe them to be a spy for the other side.

Frontier in Space (3)

E11Frontier in Space (3)

25m6.2

Mar 10, 1973

The Doctor is sentenced to life imprisonment at a lunar penal colony while Jo encounters an old enemy.

Frontier in Space (4)

E12Frontier in Space (4)

25m6.2

Mar 17, 1973

The Master rescues the Doctor from the lunar penal colony, aiming to take him and Jo to the Ogrons' planet, and the Doctor's attempt to escape leaves him stranded in space.

Frontier in Space (5)

E13Frontier in Space (5)

25m6.2

Mar 24, 1973

The Doctor, Jo and the Master are taken to Draconia, where the Doctor tries to convince the Draconians of the truth.

Frontier in Space (6)

E14Frontier in Space (6)

25m6.3

Mar 31, 1973

The Doctor, Williams and the Draconian Prince head to the Ogrons' planet to find evidence of the Master's actions but the Master tricks Jo into leading them into a trap.

Planet of the Daleks (1)

E15Planet of the Daleks (1)

25m7.3

Apr 7, 1973

The planet Spiridon, the year 2540. The Doctor and Jo arrive on the trail of the Daleks, and find unexpected allies in the shape of a Thal suicide squad. But what has brought the Daleks here in the first place?

Planet of the Daleks (2)

E16Planet of the Daleks (2)

25m7.4

Apr 14, 1973

The Doctor is captured by the Daleks, while Jo is rescued by a friendly Spridon named Wester.

Planet of the Daleks (3)

E17Planet of the Daleks (3)

25m7.3

Apr 21, 1973

The Doctor and Codal escape from their cell and meet up with the Thal commandos who are trying to get into the Dalek base.

Planet of the Daleks (4)

E18Planet of the Daleks (4)

25m7.3

Apr 28, 1973

The Doctor and his friends escape from the Dalek base, prompting the Daleks to devise a plan to wipe them out.

Planet of the Daleks (5)

E19Planet of the Daleks (5)

25m7.4

May 5, 1973

The Doctor and his friends ambush two Daleks as part of their plan to get back into the city, but the Daleks are on the verge of unleashing their virus.

Planet of the Daleks (6)

E20Planet of the Daleks (6)

25m7.5

May 12, 1973

The Doctor and his friends prepare to refreeze the Dalek army but the Dalek Supreme has arrived on the planet determined to destroy them all.

The Green Death (1)

E21The Green Death (1)

25m7.3

May 19, 1973

While the Doctor plans a holiday to Metebelis Three, Jo and the Brigadier are intrigued by a mysterious death at a coal mine in Llanfairfach, which is being blamed on local company Global Chemicals.

The Green Death (2)

E22The Green Death (2)

25m6.8

May 26, 1973

The Doctor and the Brigadier attempt to rescue Jo and Bert from the mine but Global Chemicals prove distinctly uncooperative.

The Green Death (3)

E23The Green Death (3)

25m6.8

Jun 2, 1973

The Doctor and Jo manage to escape from the mine with a maggot egg but Stevens is determined to stop them analysing it.

The Green Death (4)

E24The Green Death (4)

25m6.8

Jun 9, 1973

The Brigadier calls in a full UNIT force to deal with the giant maggots while the Doctor infiltrates Global Chemicals to find out what is really going on.

The Green Death (5)

E25The Green Death (5)

25m7.0

Jun 16, 1973

The Doctor manages to escape from BOSS with help from Yates and discovers Cliff has been infected by a giant maggot.

The Green Death (6)

E26The Green Death (6)

25m7.3

Jun 23, 1973

The Doctor attempts to destroy the giant maggots and cure Cliff but the real threat is BOSS, who is poised to take over all the world's computers.

It was Jon Pertwee's final season as the Doctor and included, very briefly, the first appearance of Tom Baker as the Fourth Doctor. The Time Warrior, the season opener, introduced Sarah Jane Smith, who was a frequently featured character in the Doctor Who universe decades after her departure in Season 14. The same story also, for the first time, named the Doctor's homeworld as Gallifrey. UNIT also began to be phased out of the series during this season.

The Time Warrior (1)

E1The Time Warrior (1)

25m8.3

Dec 15, 1973

England, the 12th century. Robber baron Irongron is recruited by Linx, a Sontaran warrior whose starship has been forced down on Earth. Linx is forced to use a time-travel device to steal resources and scientists from the future to repair his ship, but in doing so involves UNIT and the Doctor...

The Time Warrior (2)

E2The Time Warrior (2)

25m7.3

Dec 22, 1973

The Doctor tracks the missing scientists to Irongron's castle, where Linx is using them to repair his spaceship and construct advanced weapons for Irongron.

The Time Warrior (3)

E3The Time Warrior (3)

25m7.1

Dec 29, 1973

The Doctor escapes the castle with Sarah and Hal and must persuade Sir Edward to trust him before Irongron launches an attack on them.

The Time Warrior (4)

E4The Time Warrior (4)

25m7.1

Jan 5, 1974

The Doctor attempts to return the scientists to their own time, before Linx tries to use his spaceship and destroys the entire castle.

Invasion (1)

E5Invasion (1)

25m7.3

Jan 12, 1974

The Doctor and Sarah return to London in the present day only to find the city strangely deserted, while nearby UNIT are dealing with a series of monster appearances.

Invasion of the Dinosaurs (2)

E6Invasion of the Dinosaurs (2)

25m6.8

Jan 19, 1974

The Doctor attempts to solve the mystery of the monster invasion. His first move - the capture of a dinosaur.

Invasion of the Dinosaurs (3)

E7Invasion of the Dinosaurs (3)

25m6.7

Jan 26, 1974

Yates sabotages the Doctor's equipment to stop him finding the location of Whitaker's base but then the tyrannosaur escapes, placing Sarah in danger.

Invasion of the Dinosaurs (4)

E8Invasion of the Dinosaurs (4)

25m6.7

Feb 2, 1974

Sarah attempts to find a way off the spaceship while the Doctor tries to track down the source of the time displacements.

Invasion of the Dinosaurs (5)

E9Invasion of the Dinosaurs (5)

25m6.8

Feb 9, 1974

The Doctor has been framed as the monster maker by Finch and is on the run from the army, while Sarah attempts to alert UNIT to what Grover is up to.

Invasion of the Dinosaurs (6)

E10Invasion of the Dinosaurs (6)

25m6.8

Feb 16, 1974

The Doctor is rescued from Finch by the Brigadier and Benton and tries to persuade them to stop Grover before millions of people are erased from history.

Death to the Daleks (1)

E11Death to the Daleks (1)

25m7.1

Feb 23, 1974

The barren planet Exxilon, some time in the future. The TARDIS is forced down by a total power failure and the Doctor and Sarah meet a stranded Earth crew who came here to mine for priceless medical supplies. But what is causing the power failures? And why have the Daleks come here too?

Death to the Daleks (2)

E12Death to the Daleks (2)

25m7.0

Mar 2, 1974

The Doctor and the MSC crew join forces with the Daleks to mine the parrinium, only to come under attack from the Exxilons.

Death to the Daleks (3)

E13Death to the Daleks (3)

25m7.3

Mar 9, 1974

The Doctor and Sarah meet up with Bellal, who helps them escape from the Daleks and explains the origin of the City.

Death to the Daleks (4)

E14Death to the Daleks (4)

25m7.3

Mar 16, 1974

The Doctor and Bellal continue to penetrate the City's defences while Sarah and Jill try to stop the Daleks leaving with the parrinium.

The Monster of Peladon (1)

E15The Monster of Peladon (1)

25m5.9

Mar 23, 1974

The planet Peladon, some time in the future. Mining disputes threaten the peace of the planet, and as the Doctor and Jo arrive, it seems that the ghost of Aggedor walks once more...

The Monster of Peladon (2)

E16The Monster of Peladon (2)

25m6.0

Mar 30, 1974

The Doctor is rescued by Gebek, prompting him to try and help the miners, but his advice results in Ettis launching another attack on the armoury.

The Monster of Peladon (3)

E17The Monster of Peladon (3)

25m6.2

Apr 6, 1974

The Doctor and Sarah pacify Aggedor and the Doctor encourages the Queen to make peace with the miners, but Ortron soon has him under arrest again.

The Monster of Peladon (4)

E18The Monster of Peladon (4)

25m6.3

Apr 13, 1974

The Ice Warriors take control of the planet and force the miners to return to work but Ettis takes the opportunity to try and destroy the citadel.

The Monster of Peladon (5)

E19The Monster of Peladon (5)

25m6.5

Apr 20, 1974

Sarah and Alpha Centauri decide to try and alert the Federation to what the Ice Warriors are up to but first they have to escape from the throne room.

The Monster of Peladon (6)

E20The Monster of Peladon (6)

25m7.0

Apr 27, 1974

The Doctor turns the Aggedor spirit against the Ice Warriors to aid the Peladonians in their battle but Eckersley attacks him with the security system.

Planet of the Spiders (1)

E21Planet of the Spiders (1)

25m7.8

May 4, 1974

While the Doctor carries out an investigation into ESP, Mike Yates asks Sarah to look into some strange goings on at a meditation centre he's attending.

Planet of the Spiders (2)

E22Planet of the Spiders (2)

25m7.4

May 11, 1974

Lupton forms an alliance with the spider to steal the Doctor's blue crystal, while Sarah and Mike attempt to alert people to what they've seen.

Planet of the Spiders (3)

E23Planet of the Spiders (3)

25m7.0

May 18, 1974

The Doctor and Sarah head to the meditation centre to try and get the crystal back while Lupton prepares to return it to Metebelis Three. But all their plans are disrupted when it is stolen by Tommy.

Planet of the Spiders (4)

E24Planet of the Spiders (4)

25m7.1

May 25, 1974

Sarah is captured by the spiders' guards while the Doctor tries to help Arak and the others strike back against the spiders.

Planet of the Spiders (5)

E25Planet of the Spiders (5)

25m7.3

Jun 1, 1974

The Doctor escapes from the spiders' larder only to encounter the Great One, while Sarah makes a deal with the Queen Spider.

Planet of the Spiders (6)

E26Planet of the Spiders (6)

25m7.9

Jun 8, 1974

K'Anpo persuades the Doctor he must face his fear and return the crystal to the Great One. But first they need to get past Barnes and his men.

All the stories in this season were interconnected, several forming a loose story arc relating to Space Station Nerva. The Cybermen returned to the series for the first time since The Invasion. Genesis of the Daleks, a story which introduced Davros and showed the creation of the Daleks, is one of the most famous of all Doctor Who serials.

Robot (1)

E1Robot (1)

25m6.6

Dec 28, 1974

The Doctor changes form again. Before he has fully re-covered, something of colossal strength steals a secret weapon, and the convalescent Doctor starts to investigate.

Robot (2)

E2Robot (2)

25m6.4

Jan 4, 1975

The Doctor and Sarah Jane become convinced Think Tank are behind the electronic component thefts but are unable to stop them carrying out another raid.

Robot (3)

E3Robot (3)

25m6.7

Jan 11, 1975

Sarah Jane and Kettlewell infiltrate an SRS meeting to try and find out what Miss Winters is up to but there is a surprise in store.

Robot (4)

E4Robot (4)

25m6.9

Jan 18, 1975

UNIT attempt to get into the bunker to stop Miss Winters setting off the world's nuclear missiles but first they have to get past the K1.

The Ark in Space (1)

E5The Ark in Space (1)

25m9.1

Jan 25, 1975

The Doctor's attempt to give Harry a trip in the TARDIS sees the two of them and Sarah Jane arriving onboard a space station in the far future, with some rather deadly security mechanisms.

The Ark in Space (2)

E6The Ark in Space (2)

25m8.7

Feb 1, 1975

The Doctor and Harry revive the Ark's medtech, Vira, to help Sarah Jane. But when station commander Noah is revived, he becomes suspicious of the newcomers.

The Ark in Space (3)

E7The Ark in Space (3)

25m8.4

Feb 8, 1975

Knowing that Noah has been infected by the Wirrn, the Doctor persuades Vira to halt the reviving of her people, knowing it will place them in danger as well.

The Ark in Space (4)

E8The Ark in Space (4)

25m8.7

Feb 15, 1975

The Doctor tries to protect the humans still in cryogenic suspension from the Wirrn, who are determined to use Earth as their new breeding ground.

The Sontaran Experiment (1)

E9The Sontaran Experiment (1)

25m6.6

Feb 22, 1975

The Doctor, Sarah Jane and Harry teleport to Earth to ensure the planet is safe for the survivors on board Nerva Beacon to return and reinhabit their world. A Sontaran named Styre has captured a group of humans and is conducting experiments on them to discover the human body's weaknesses, as part of the Sontaran's goal for domination of the galaxy.

The Sontaran Experiment (2)

E10The Sontaran Experiment (2)

25m6.5

Mar 1, 1975

The Doctor learns that Styre has been experimenting on the Galsec crewmembers to pave the way for a Sontaran invasion of Earth and decides the only way to halt his plans is to challenge him to a duel.

Genesis of the Daleks (1)

E11Genesis of the Daleks (1)

25m9.1

Mar 8, 1975

The planet Skaro, the distant past. The Time Lords divert the Doctor, Sarah Jane and Harry to this war-torn world, and give the Doctor a mission: the evil of the Daleks is about to be born here, and the Doctor is to try to ensure they evolve into less lethally aggressive beings - or, failing that, to avert their creation altogether. But has even the Doctor the right to commit genocide?

Genesis of the Daleks (2)

E12Genesis of the Daleks (2)

25m9.1

Mar 15, 1975

The Doctor and Harry are taken to the Kaled bunker where Davros is preparing to demonstrate the Daleks, while Sarah Jane is captured by the Thals and taken to their city as a slave worker.

Genesis of the Daleks (3)

E13Genesis of the Daleks (3)

25m8.9

Mar 22, 1975

The Doctor and Harry head to the Kaled city to alert the authorities to Davros' plans while Sarah Jane and Sevrin are forced to work on the completion of the Thals' rocket.

Genesis of the Daleks (4)

E14Genesis of the Daleks (4)

25m9.1

Mar 29, 1975

The Doctor fails to prevent the Thals from destroying the Kaled city but they don't have long to enjoy their victory before the Daleks attack.

Genesis of the Daleks (5)

E15Genesis of the Daleks (5)

25m9.1

Apr 5, 1975

The Doctor is forced to give Davros full details of future Dalek victories but opposition to Davros' plans is growing among the Kaleds and soon there is open rebellion.

Genesis of the Daleks (6)

E16Genesis of the Daleks (6)

25m9.7

Apr 12, 1975

Gharman tries to convince the Kaleds to vote against the Dalek project but Davros has a trick up his sleeve, while the Doctor works to destroy the tape recording of Dalek victory and the Thals plan an intervention of their own.

Revenge of the Cybermen (1)

E17Revenge of the Cybermen (1)

25m6.8

Apr 19, 1975

The orbit of Jupiter, the 25th century. Arriving back on the Nerva Beacon much earlier in history, the Doctor and his friends discover the satellite beset by space plague while its crew struggles to keep space traffic away from Voga, the newest moon of Jupiter. But what is the connection between Voga, the plague, and some old enemies of the Doctor?

Revenge of the Cybermen (2)

E18Revenge of the Cybermen (2)

25m7.0

Apr 26, 1975

The Doctor transmits Sarah Jane and Harry down to Voga to cure Sarah Jane of the Cybermat's poison but Kellman's sabotage means he is unable to bring them back.

Revenge of the Cybermen (3)

E19Revenge of the Cybermen (3)

25m7.0

May 3, 1975

The Cybermen force the Doctor, Stevenson and Lester to carry bombs to the centre of Voga while Sarah Jane, Harry and Tyrum decide to contact Vorus.

Revenge of the Cybermen (4)

E20Revenge of the Cybermen (4)

25m7.2

May 10, 1975

The Doctor, Harry and Lester try to destroy the Cybermen's relay device, while the Vogans prepare to destroy Nerva even though Sarah Jane is still on board.

It was during this season that the Doctor cut ties to UNIT (after Terror of the Zygons, the Brigadier would not appear again until Mawdryn Undead in 1983, and The Seeds of Doom marked the last occasion to date that the Doctor was explicitly said to be working for UNIT - as opposed to working with them as occasions warranted). Several of the serials in this season, particularly Pyramids of Mars and The Brain of Morbius, are among the best-known of the 1970s-era storylines. Though it was aired as a part of Season 13, Terror of the Zygons was actually filmed as part of the previous season; this holdover allowed the series to switch back to an autumn season start.

Terror of the Zygons (1)

E1Terror of the Zygons (1)

25m7.6

Aug 30, 1975

Scotland, the near future. Something is smashing oil rigs off the Scottish coast, and UNIT have been called in to investigate. The Brigadier summons the Doctor to Earth to help in the investigation, but it soon becomes clear some kind of alien presence is at work...

Terror of the Zygons (2)

E2Terror of the Zygons (2)

25m8.1

Sep 6, 1975

The Zygon traps the Doctor and Sarah Jane in a decompression chamber while Harry is taken to the aliens' underwater ship.

Terror of the Zygons (3)

E3Terror of the Zygons (3)

25m8.0

Sep 13, 1975

The Doctor and the Brigadier begin to realise who the Zygon imposters among them are while Sarah Jane discovers a secret tunnel to the underwater ship.

Terror of the Zygons (4)

E4Terror of the Zygons (4)

25m7.9

Sep 20, 1975

UNIT attempt to track down the Zygon ship while Broton prepares to have the Skarasen attack London.

Planet of Evil (1)

E5Planet of Evil (1)

25m7.6

Sep 27, 1975

The Doctor and Sarah answer a distress call and find themselves on Zeta Minor, the last planet of the known universe, where a Morestran expedition has gone missing.

Planet of Evil (2)

E6Planet of Evil (2)

25m7.7

Oct 4, 1975

The Doctor realises that Zeta Minor lies on the boundary between the universes of matter and anti-matter and something on the planet won't let the Morestrans leave.

Planet of Evil (3)

E7Planet of Evil (3)

25m7.5

Oct 11, 1975

The Doctor makes a deal with the Anti-Matter Beast to return all the anti-matter to the planet but Sorenson is determined to continue his research.

Planet of Evil (4)

E8Planet of Evil (4)

25m7.3

Oct 18, 1975

The Doctor tries to convince Sorenson to sacrifice himself for the rest of the crew but Salamar's attempt to deal with the situation causes their problems to multiply.

Pyramids of Mars (1)

E9Pyramids of Mars (1)

25m8.8

Oct 25, 1975

The Doctor and Sarah are drawn off course and, instead of UNIT HQ, they arrive on the same site in 1911.

Pyramids of Mars (2)

E10Pyramids of Mars (2)

25m8.2

Nov 1, 1975

The Doctor, Sarah and Laurence try to find a way to sever Sutekh's link to the mummies while poacher Ernie Clements finds the priory surrounded by a forcefield.

Pyramids of Mars (3)

E11Pyramids of Mars (3)

25m8.5

Nov 8, 1975

The Doctor and Sarah try to destroy Sutekh's rocket but the Osiran's mental powers prove too great for them.

Pyramids of Mars (4)

E12Pyramids of Mars (4)

25m8.3

Nov 15, 1975

Sutekh forces the Doctor to transport Scarman and a mummy to Mars, where the Doctor and Sarah try to stop them destroying the Eye of Horus.

The Android Invasion (1)

E13The Android Invasion (1)

25m6.6

Nov 22, 1975

The Doctor and Sarah return to Earth in the present day to find a strangely deserted village and woods stalked by white-clad figures.

The Android Invasion (2)

E14The Android Invasion (2)

25m7.0

Nov 29, 1975

The Doctor suspects Crayford brought something to Earth in his rocket, as he and Sarah find themselves hunted by UNIT.

The Android Invasion (3)

E15The Android Invasion (3)

25m6.5

Dec 6, 1975

The Doctor is captured by Styggron and left to die in the destruction of the fake village but Sarah escapes from the disorientation chamber to try and rescue him.

The Android Invasion (4)

E16The Android Invasion (4)

25m6.6

Dec 13, 1975

The Doctor and Sarah reach Earth and try to warn the research centre about the Kraal invasion before Styggron unleashes his virus.

The Brain of Morbius (1)

E17The Brain of Morbius (1)

25m7.9

Jan 3, 1976

The storm-lashed planet Karn. Near a graveyard of crashed starships, the demented surgeon Solon hides in his castle, the last acolyte of the Time Lord despot Morbius. He only needs one final item to make his master live again... and then the Doctor and Sarah arrive...

The Brain of Morbius (2)

E18The Brain of Morbius (2)

25m7.8

Jan 10, 1976

The Doctor is captured by the Sisterhood, and Sarah Jane is blinded freeing him. The Doctor has no choice but to go back for a cure, unaware that he is leaving Sarah Jane in the hands of a treacherous Dr. Solon and the renegade Time Lord Morbius.

The Brain of Morbius (3)

E19The Brain of Morbius (3)

25m8.0

Jan 17, 1976

While the Doctor goes to confront the Sisterhood to seek a cure for Sarah Jane's blindness, Solon realizes that he must transfer Morbius' brain into a new body before it is too late.

The Brain of Morbius (4)

E20The Brain of Morbius (4)

25m8.1

Jan 24, 1976

Morbius lives once more, but as a rampaging beast. The Doctor is forced to ally with Dr. Solon to bring him to heel, but the two disagree about what should happen to Morbius.

The Seeds of Doom (1)

E21The Seeds of Doom (1)

25m8.2

Jan 31, 1976

The Antarctic, the near future. A strange seed-pod is unearthed from 20-thousand-year-old ice. The Doctor and Sarah go to investigate, but are too late to prevent the pod infecting a scientist and unleashing a threat to all animal life on Earth...

The Seeds of Doom (2)

E22The Seeds of Doom (2)

25m8.4

Feb 7, 1976

Two employees of the millionaire Harrison Chase arrive at the Antarctic base, and they will stop at nothing to get hold of the second seed-pod.

The Seeds of Doom (3)

E23The Seeds of Doom (3)

25m7.7

Feb 14, 1976

The Doctor and Sarah Jane return to England after their Antarctic ordeal and Chase tries to eliminate them, but they escape and track him down at his estate, where he is preparing to open the Krynoid pod.

The Seeds of Doom (4)

E24The Seeds of Doom (4)

25m7.9

Feb 21, 1976

The Doctor is captured by Chase, who plans to breed the stolen Krynoid pod. He is placed in an automated compost hopper and only Sarah Jane can save him... but will she make it before the Krynoid grows to fruition ?

The Seeds of Doom (5)

E25The Seeds of Doom (5)

25m7.9

Feb 28, 1976

The Krynoid grows to a monstrous size and traps the Doctor and the others in a cottage. The creature demands they turn over the Doctor, while Chase seeks to make an alliance with the alien vegetation.

The Seeds of Doom (6)

E26The Seeds of Doom (6)

25m8.0

Mar 6, 1976

The Doctor, Sarah Jane, and Scorby are trapped in the manor as a possessed Chase stalks them from within, while the gigantic Krynoid prepares to crush them from without. Worse, the alien plant is ready to germinate, spreading its seeds across England.

The season is notable for the departure of Sarah Jane Smith in The Hand of Fear and for The Deadly Assassin, a story set entirely on Gallifrey which expounded greatly upon the culture and history of the Time Lords, and the Eye of Harmony and Rassilon are mentioned for the first time. The Deadly Assassin also featured the return of the Decayed Master in a degenerated form and had the Doctor without a companion for an entire story for the first time in the history of Doctor Who. This story is also the first time the limit of regenerations is set.

The Masque of Mandragora (1)

E1The Masque of Mandragora (1)

25m6.2

Sep 4, 1976

The Doctor and Sarah arrive in Renaissance Italy unaware that they have brought a deadly alien energy force with them.

The Masque of Mandragora (2)

E2The Masque of Mandragora (2)

25m6.3

Sep 11, 1976

The Mandragora energy joins forces with the secret Brotherhood of Demnos. Count Federico plots to steal the Dukedom of San Martino from his nephew, Giuliano.

The Masque of Mandragora (3)

E3The Masque of Mandragora (3)

25m6.2

Sep 18, 1976

Tempted by the promises of ultimate power offered by Mandragora, Hieronymous plots to eliminate the threat posed by the Doctor and uses an unwitting Sarah as his weapon.

The Masque of Mandragora (4)

E4The Masque of Mandragora (4)

25m6.2

Sep 25, 1976

As the leading scholars of the era assemble in the palace for the masque, Mandragora prepares to attack, intent on sending the world into a new dark age.

The Hand of Fear (1)

E5The Hand of Fear (1)

25m7.6

Oct 2, 1976

England, the near future. The TARDIS materialises in a quarry and Sarah is trapped under a rockfall. But what is the origin of the fossilised hand she is found gripping ? And who is the Eldrad she keeps mumbling about ?

The Hand of Fear (2)

E6The Hand of Fear (2)

25m7.0

Oct 9, 1976

The Doctor and Professor Watson struggle to stop first Sarah Jane and then Driscoll from obeying the strange and dangerous orders of the stone hand, which has suddenly come to life.

The Hand of Fear (3)

E7The Hand of Fear (3)

25m7.3

Oct 16, 1976

The energy of the reactor has returned the mysterious Eldrad to life. The Doctor agrees to take her back to Kastria. But what is waiting for them there?

The Hand of Fear (4)

E8The Hand of Fear (4)

25m7.7

Oct 23, 1976

The Doctor and Sarah race to save the mortally wounded Eldrad. But they find that everything is not quite as she told them.

The Deadly Assassin (1)

E9The Deadly Assassin (1)

25m8.2

Oct 30, 1976

Gallifrey, planet of the Time Lords. Summoned home by a premonition of murder, the Doctor discovers a dark conspiracy at the highest levels of Time Lord society... and his oldest enemy, who poses a threat to the existence of Gallifrey itself...

The Deadly Assassin (2)

E10The Deadly Assassin (2)

25m8.4

Nov 6, 1976

The President of the High Council has been killed and the Doctor is the prime suspect. The Time Lords are eager to dispense quick justice and the Doctor must race agains the clock to discover the truth... and an old enemy.

The Deadly Assassin (3)

E11The Deadly Assassin (3)

25m8.2

Nov 13, 1976

The Doctor has entered the computation Matrix to prove his innocence. But his opponent is prepared for him and the two engage in a mental duel to the death.

The Deadly Assassin (4)

E12The Deadly Assassin (4)

25m8.6

Nov 20, 1976

The Doctor has won his fight in the Matrix and revealed the assassin. But the Master is not defeated and sets a plan in motion that could destroy the Time Lords.

The Face of Evil (1)

E13The Face of Evil (1)

25m7.1

Jan 1, 1977

An unnamed planet, the distant future. Arriving in a place that seems oddly familiar, the Doctor finds the savage Sevateem tribe battling to free their captive god, Xoanon, from the Evil One and his Tesh servants. But can the whole situation really be the Doctor's fault?

The Face of Evil (2)

E14The Face of Evil (2)

25m7.0

Jan 8, 1977

The Sevateem launch another attack to try to free Xoanon as the Doctor tries to figure out his role in their past. But his only chance to win their trust is to face a deadly test.

The Face of Evil (3)

E15The Face of Evil (3)

25m6.8

Jan 15, 1977

The Doctor has broken through the barrier and found the Tesh. But he comes to an awful realisation about Xoanon.

The Face of Evil (4)

E16The Face of Evil (4)

25m7.0

Jan 22, 1977

The Doctor tries to fix the mad computer Xoanon. But it is determined to stop him – even if it must destroy the entire world!

The Robots of Death (1)

E17The Robots of Death (1)

25m8.3

Jan 29, 1977

An unnamed world, an unknown time. A vast mining vessel trawls a sea of mineral sand for valuable ores, the tiny human crew served by an army of humanoid robots. But as the Doctor and Leela arrive, one of the crew is found murdered... and if they didn't do it, who did?

The Robots of Death (2)

E18The Robots of Death (2)

25m8.1

Feb 5, 1977

The Doctor and Leela are suspected of murder. But the real foe is using robots to cut down the crew – and even sabotage the sand miner itself!

The Robots of Death (3)

E19The Robots of Death (3)

25m8.1

Feb 12, 1977

One of the crew is the insane Taren Capel, who is using robots to carry out the murders. The Doctor discovers that there are also others who aren't what they appear to be either.

The Robots of Death (4)

E20The Robots of Death (4)

25m8.2

Feb 19, 1977

The Doctor and the surviving humans fight for their lives against Taren Capel and his growing army of deadly robots.

The Talons of Weng-Chiang (1)

E21The Talons of Weng-Chiang (1)

25m8.3

Feb 26, 1977

London, the 1890s. As magician Li H'Sen Chang captivates audiences, a spate of disappearances amongst young women goes largely unnoticed. But almost upon their arrival, the Doctor and Leela find themselves confronting the feared Tong of the Black Scorpion, and a menace from another time. And there's something fishy in the sewers, too...

The Talons of Weng-Chiang (2)

E22The Talons of Weng-Chiang (2)

25m7.7

Mar 5, 1977

The Doctor and Leela investigate the strange events in Victorian London. But a mysterious masked figure lurks in the shadows.

The Talons of Weng-Chiang (3)

E23The Talons of Weng-Chiang (3)

25m7.9

Mar 12, 1977

As Li H'Sen Chang works to secure the time cabinet, Leela pursues and investigates his master – the mysterious and murderous Weng-Chiang.

The Talons of Weng-Chiang (4)

E24The Talons of Weng-Chiang (4)

25m7.6

Mar 19, 1977

The Doctor and Leela attend Li H'Sen Chang's performance, hoping to confront the magician. But his master Weng-Chiang has other plans…

The Talons of Weng-Chiang (5)

E25The Talons of Weng-Chiang (5)

25m8.0

Mar 26, 1977

The Doctor and his allies try to track down Weng-Chiang before he can activate the time cabinet and possibly destroy London.

The Talons of Weng-Chiang (6)

E26The Talons of Weng-Chiang (6)

25m8.4

Apr 2, 1977

The Doctor and Weng-Chiang have their final confrontation in the mysterious House of the Dragon -- watched by the evil duplicitous Mr. Sin.

This season introduced K9 to the series and saw the departure of Leela. It was originally intended to include Terrance Dicks' story The Vampire Mutations but, due to a major BBC production of Dracula, it was postponed. It later became Season 18's State of Decay. To replace it, Dicks quickly scripted the season opener, Horror of Fang Rock. The season took a two week transmission break over the 1977 Christmas period, between the broadcast of part four of The Sun Makers and part one of Underworld.

Horror of Fang Rock (1)

E1Horror of Fang Rock (1)

25m7.8

Sep 3, 1977

The English channel, the 1900s AD. The TARDIS lands on barren Fang Rock, inhabited until now only by three lighthouse keepers. But what is the strange fog covering the island, and can it be connected to the falling star sighted earlier that night?

Horror of Fang Rock (2)

E2Horror of Fang Rock (2)

25m7.6

Sep 10, 1977

The survivors of a wrecked ship are stranded with the lighhouse crew on Fang Rock as a deadly menace slithers through the fog. Has the Beast of Fang Rock returned?

Horror of Fang Rock (3)

E3Horror of Fang Rock (3)

25m7.5

Sep 17, 1977

The Doctor barricades everyone in the lighthouse to protect them from the mysterious deadly creature in the fog. But it may already be inside, biding its time…

Horror of Fang Rock (4)

E4Horror of Fang Rock (4)

25m7.6

Sep 24, 1977

The Rutan starts picking off the surviving humans one by one as the Doctor and Leela struggle to defeat not only the alien but an entire fleet waiting to occupy Earth.

The Invisible Enemy (1)

E5The Invisible Enemy (1)

25m6.9

Oct 1, 1977

Deep space, 5000AD. An Earth supply shuttle is infected by a strange sentient space-borne virus, which quickly spreads to the crew of the refuelling station on the moon Titan. Even worse, the Doctor himself falls victim. But why is Leela immune, and what is the virus's ultimate goal?

The Invisible Enemy (2)

E6The Invisible Enemy (2)

25m7.0

Oct 8, 1977

Leela and Lowe take the Doctor to the Bi-Al Foundation for help. But how can they cure an infection of the mind?

The Invisible Enemy (3)

E7The Invisible Enemy (3)

25m7.3

Oct 15, 1977

Miniaturised clones of the Doctor and Leela are injected into his brain. But they must now fight the virus on its own level. And its servants are closing in around them.

The Invisible Enemy (4)

E8The Invisible Enemy (4)

25m7.1

Oct 22, 1977

The Nucleus, now grown to human size, is determined to spawn and take over the Galaxy. Only the Doctor and Leela can stop it.

Image of the Fendahl (1)

E9Image of the Fendahl (1)

25m6.6

Oct 29, 1977

England, the late 1970s. At Fetch Priory, Dr Fendelman's experiments with the new Time Scanner are disrupted by the mysterious death of a hiker, nearby. Then there's the mysterious skull, also being used as part of his work. A skull that seems to predate the evolution of mankind. What is the true role of the Fendahl in humanity's evolution?

Image of the Fendahl (2)

E10Image of the Fendahl (2)

25m6.5

Nov 5, 1977

The mystery surrounding the strange skull deepens. Thea is slowly succumbing to its influence while the Doctor prepares to battle a creature from mythology.

Image of the Fendahl (3)

E11Image of the Fendahl (3)

25m6.8

Nov 12, 1977

While Max prepares to tap supernatural forces beyond imagining, the Doctor and Leela investigate the legend of the Fendahl.

Image of the Fendahl (4)

E12Image of the Fendahl (4)

25m6.7

Nov 19, 1977

The Fendahl is returning to life, ready to consume everything in its path. Can the Doctor find a way to kill death itself?

The Sun Makers (1)

E13The Sun Makers (1)

25m6.9

Nov 26, 1977

Pluto, the distant future. The planet has been terraformed and is now orbited by artificial suns, provided by the rapacious company who ruthlessly exploit the relocated human workforce. The Doctor, Leela, and K9 arrive and befriend a luckless drone worker, but they must flee with him to the dark undercity...

The Sun Makers (2)

E14The Sun Makers (2)

25m7.0

Dec 3, 1977

The Doctor has been captured by the Gatherer. Leela works to free him but the Gatherer is already laying his own plans…

The Sun Makers (3)

E15The Sun Makers (3)

25m7.3

Dec 10, 1977

Now Leela is the prisoner of the Collector. He knows of the Doctor and is determined to rid himself of both of them.

The Sun Makers (4)

E16The Sun Makers (4)

25m7.0

Dec 17, 1977

The Doctor now moves to completely overthrow the Company. But the Collector has one last trump card to play.

Underworld (1)

E17Underworld (1)

25m6.0

Jan 7, 1978

Deep space, an unknown time. The Doctor encounters the Minyans, survivors of a race the Time Lords unwittingly obliterated early in their own history. The Minyans are searching for their race's lost gene banks, a quest which takes them to the edge of the galaxy…

Underworld (2)

E18Underworld (2)

25m6.0

Jan 14, 1978

After 100,000 years, the Minyans have found the long-lost P7E. But what awaits them on the ship, long buried in the core of a newborn planet?

Underworld (3)

E19Underworld (3)

25m6.0

Jan 21, 1978

The Minyans have, at long last, found the P7E. But a host of guards and robotic seers stand between them and the race banks.

Underworld (4)

E20Underworld (4)

25m6.3

Jan 28, 1978

The Minyons struggle to gain the precious race banks from the Oracle. But perhaps it is giving in a little too easily ...

The Invasion of Time (1)

E21The Invasion of Time (1)

25m7.3

Feb 4, 1978

Gallifrey, world of the Time Lords. The Doctor returns and claims the vacant presidency. But his behaviour is erratic and his motives mysterious.

The Invasion of Time (2)

E22The Invasion of Time (2)

25m7.1

Feb 11, 1978

The Doctor is made president of the Time Lords. He immediately orders K-9 to lower the planet's defences and has Leela banished to the wilderness.

The Invasion of Time (3)

E23The Invasion of Time (3)

25m6.6

Feb 18, 1978

The Doctor has betrayed his own people and enabled a Vardan invasion of Gallifrey. Leela joins forces with the Outsiders and prepares to strike back against the aliens.

The Invasion of Time (4)

E24The Invasion of Time (4)

25m6.6

Feb 25, 1978

The Doctor works to free his planet of the Vardan menace. How can he defeat an enemy who can read his very thoughts? And does their invasion conceal a greater menace?

The Invasion of Time (5)

E25The Invasion of Time (5)

25m7.1

Mar 4, 1978

The Sontarans have invaded Gallifrey, seeking to seize the incredible power of the Time Lords. The Doctor's first step is to cut them off from their fleet. But Kelner is helping the enemy…

The Invasion of Time (6)

E26The Invasion of Time (6)

25m6.9

Mar 11, 1978

The Sontarans finally invade the TARDIS itself, seeking the Great Key. The Doctor, however, has other uses for this powerful object…

This season saw the introduction of the Black and White Guardians as well as the companion Romana, who became only the second female Time Lord companion since Susan. This season is sometimes colloquially known as The Key to Time season after the story arc involving the Key to Time. Although not the first season to consist of linked stories (Season 8 in 1971 was the first, as all the stories that year featured the Master), it was the first to be recognised as having a series long arc. Although multi serial arcs would occur again, such a full- season experiment wouldn't be attempted again until Season 23. The arc has a number of similarities to the Season 1 story The Keys of Marinus. The storyline was originally proposed for Season 15, but it required more planning.

The Ribos Operation (1)

E1The Ribos Operation (1)

25m6.7

Sep 2, 1978

The Magellanic Clouds, the planet Ribos, an unknown time. Ordered by the White Guardian to collect the pieces of the omnipotent Key to Time, The Doctor, K-9 and his new assistant Romana arrive. Collecting the first segment is not going to be easy…

The Ribos Operation (2)

E2The Ribos Operation (2)

25m6.6

Sep 9, 1978

Trying to obtain the first segment of the Key to Time, the Doctor and Romana are swept up in an elaborate con. The target – the homicidal Graff Vynda K.

The Ribos Operation (3)

E3The Ribos Operation (3)

25m6.6

Sep 16, 1978

Prisoners of the maniacal Graff Vynda K, the Doctor and Romana must break out and pursue the first segment – even as Unstoff takes it into the most dangerous place on Ribos.

The Ribos Operation (4)

E4The Ribos Operation (4)

25m6.6

Sep 23, 1978

Trapped in the catacombs between a mad warlord and ravenous monsters, the Doctor and Romana work desperately to obtain the segment of the Key to Time - and escape alive.

The Pirate Planet (1)

E5The Pirate Planet (1)

25m7.4

Sep 30, 1978

Planet Zanak, unknown time. The Doctor and Romana are seeking the planet Calufrax where the second segment waits. They are in the right place and the right time… but on the wrong planet.

The Pirate Planet (2)

E6The Pirate Planet (2)

25m7.7

Oct 7, 1978

The Doctor begins to investigate the mysteriously wealthy planet Zanak. Mentiads, a deranged Captain, strange omens, miraculous mines – what does it all mean? And what does it have to do with the Key to Time?

The Pirate Planet (3)

E7The Pirate Planet (3)

25m7.6

Oct 14, 1978

The Mentiads take the Doctor, Romana and Kimus to a reunion with K9 and Mula, where they set about trying to defeat the Captain.

The Pirate Planet (4)

E8The Pirate Planet (4)

25m7.4

Oct 21, 1978

The Captain and Xanxia work toward their secret goals. Both depends on the pirate planet consuming one more victim - Earth.

The Stones of Blood (1)

E9The Stones of Blood (1)

25m7.8

Oct 28, 1978

England, the late 1970s. The Doctor and Romana arrive in search of the third segment. But the Tracer readings are erratic and something ominous is happening with an ancient stone circle...

The Stones of Blood (2)

E10The Stones of Blood (2)

25m7.7

Nov 4, 1978

The quest for the Third Segment has landed the Doctor and Romana in the midst of a druidic cult centred on a stone circle. But the stones are not what they seem, and somewhere out there is a blood-thirsty Celtic goddess.

The Stones of Blood (3)

E11The Stones of Blood (3)

25m7.4

Nov 11, 1978

Chased by blood-thirsty stones, the Doctor must find a way to rescue Romana. What awaits him in the theoretical absurdity of hyperspace?

The Stones of Blood (4)

E12The Stones of Blood (4)

25m7.4

Nov 18, 1978

Facing a sentence of death from merciless justice machines, the Doctor must play for time while Romana tries to discover just who Vivian Fey really is.

The Androids of Tara (1)

E13The Androids of Tara (1)

25m6.9

Nov 25, 1978

Arriving on Tara, Romana locates the fourth segment of the Key to Time with ease. But getting it away proves more difficult, as she is captured by the scheming Count Grendel who wants the throne of Tara for himself.

The Androids of Tara (2)

E14The Androids of Tara (2)

25m6.6

Dec 2, 1978

The Doctor must employ a desperate gambit to keep the evil Grendel off the throne. And the Count has a new pawn to play - Romana.

The Androids of Tara (3)

E15The Androids of Tara (3)

25m6.8

Dec 9, 1978

The battle for control of Tara turns into a duel of wits between the Doctor and Grendel. But the Count shows he has more treacherous tricks up his sleeve.

The Androids of Tara (4)

E16The Androids of Tara (4)

25m6.8

Dec 16, 1978

Grendel plans two weddings and a funeral to cement his hold over Tara. The Doctor and K-9 race to foil him and save the Time Lady's life.

The Power of Kroll (1)

E17The Power of Kroll (1)

25m6.1

Dec 23, 1978

The Third Moon of Delta Magna, The Future. The Doctor and Romana arrive in search of the fifth segment and are immediately swept up in a conflict between the crew of a new refinery and the embittered natives…

The Power of Kroll (2)

E18The Power of Kroll (2)

25m5.9

Dec 30, 1978

The Doctor and Romana try to avoid being sacrificed to Kroll – just in time for the real monster to appear.

The Power of Kroll (3)

E19The Power of Kroll (3)

25m5.7

Jan 6, 1979

The massive Kroll is awake and killing anyone in its path. And the swampies are determined to appease it – by sacrificing the Doctor and Romana.

The Power of Kroll (4)

E20The Power of Kroll (4)

25m5.7

Jan 13, 1979

The Doctor and Romana are trapped between the monstrous Kroll and the insane refinery commander. And there is no sign of the fifth segment of the Key to Time.

The Armageddon Factor (1)

E21The Armageddon Factor (1)

25m6.7

Jan 20, 1979

Searching for the sixth segment, the Doctor and Romana land in the midst of a brutal nuclear war between the planets Atrios and Zeos.

The Armageddon Factor (2)

E22The Armageddon Factor (2)

25m6.7

Jan 27, 1979

Swept up in an apocalyptic war, the Doctor must help the Marshal defend his planet. But who or what controls the Marshal?

The Armageddon Factor (3)

E23The Armageddon Factor (3)

25m6.8

Feb 3, 1979

The Doctor meets a new enemy – the Shadow – who wants the Key to Time. And the Atrian-Zeon war is approaching an awful climax.

The Armageddon Factor (4)

E24The Armageddon Factor (4)

25m6.6

Feb 10, 1979

The Doctor is forced into a desperate gambit to prevent a massacre. But it is getting harder to tell friend from foe.

The Armageddon Factor (5)

E25The Armageddon Factor (5)

25m6.4

Feb 17, 1979

The Doctor and Romana finally venture into the Shadow's lair. The Shadow appears to hold all the cards but the Doctor has found an old friend.

The Armageddon Factor (6)

E26The Armageddon Factor (6)

25m6.7

Feb 24, 1979

The Doctor and the Shadow have their final confrontation to take control of the Key to Time. Completing it may entail an awful sacrifice. And the Black Guardian will do anything to obtain it and plunge the Universe into chaos.

It consisted of five stories, plus the incomplete Shada, unfinished as a result of an industrial strike. Lalla Ward joined as Romana II, and the season is notable for the involvement of Douglas Adams in the writing department. This was the last season to use the traditional Delia Derbyshire "Doctor Who theme" arrangement.

Destiny of the Daleks (1)

E1Destiny of the Daleks (1)

25m7.7

Sep 1, 1979

Skaro, the Dalek homeworld, some time in the future. The TARDIS lands in the irradiated ruins of the old Kaled city and something is moving underneath the wasted surface of the planet…

Destiny of the Daleks (2)

E2Destiny of the Daleks (2)

25m7.4

Sep 8, 1979

Romana has been captured by the Daleks, the Doctor is the guest of the Movellans. The Daleks are drilling deep into Skaro for something and the Doctor has an awful suspicion about their objective…

Destiny of the Daleks (3)

E3Destiny of the Daleks (3)

25m7.4

Sep 15, 1979

The Daleks have awoken Davros in the heart of Skaro. Only the Doctor and the Movellans stand between them and their objective. But are the Movellans really on the Doctor's side?

Destiny of the Daleks (4)

E4Destiny of the Daleks (4)

25m7.5

Sep 22, 1979

Trapped between the Movellans and the Daleks, the Doctor must find a way to defeat both. Meanwhile, vast space fleets await new orders.

City of Death (1)

E5City of Death (1)

25m8.5

Sep 29, 1979

Paris, 1979. The Doctor and Romana are here on holiday, but something is disturbing the flow of time. Could the time travel experiments of Count Scarlioni be to blame?

City of Death (2)

E6City of Death (2)

25m8.2

Oct 6, 1979

Captured by the Count, the Doctor and Romana uncover an elaborate plan to steal the Mona Lisa. But there is more to Scarlioni's plans than a simple theft.

City of Death (3)

E7City of Death (3)

25m8.2

Oct 13, 1979

The Doctor and Romana unwrap an intricate plot involving aliens, time travel and the Mona Lisa. How is Count Scarlioni living in two times at once? And what does he want?

City of Death (4)

E8City of Death (4)

25m8.2

Oct 20, 1979

Scaroth is determined to go back 400 million years in time to prevent a mistake. But the Doctor must stop him – because the consequences would be disastrous.

The Creature from the Pit (1)

E9The Creature from the Pit (1)

25m6.3

Oct 27, 1979

The planet Chloris. Drawn here by a mysterious distress signal, the Doctor becomes the prisoner of the ruthless Adrasta. A strange and deadly pit awaits those who displease her.

The Creature from the Pit (2)

E10The Creature from the Pit (2)

25m6.6

Nov 3, 1979

The Doctor is in a pit with a deadly creature. And Adrasta has plans for Romana and K-9.

The Creature from the Pit (3)

E11The Creature from the Pit (3)

25m6.2

Nov 10, 1979

The Doctor has come face to face with a massive green creature. Adrasta goes into the mines to kill the monster. But everything is not as it appears…

The Creature from the Pit (4)

E12The Creature from the Pit (4)

25m6.2

Nov 17, 1979

The truth about the creature is revealed. But its imprisonment may have already set in motion a terrible revenge.

Nightmare of Eden (1)

E13Nightmare of Eden (1)

25m6.8

Nov 24, 1979

The orbit of the holiday planet, Azure, the year 2116. The starships Empress and Hecate are fused together after an accident in hyperspace. Naturally the Doctor thinks he can find a solution, but has the accident unleashed a far more deadly menace?

Nightmare of Eden (2)

E14Nightmare of Eden (2)

25m6.5

Dec 1, 1979

Two ships have collided above Azure but that may be the least of the Doctor's problems. Monsters and drug smugglers are loose on the ship. And it all seems to tie in with Tryst's electronic zoo…

Nightmare of Eden (3)

E15Nightmare of Eden (3)

25m6.4

Dec 8, 1979

The Doctor and Romana begin to uncover the truth about the strange events aboard the luxury liner Empress. They first have to separate the two ships from each other, but they've got Mandrells, drug smugglers and police chasing after them.

Nightmare of Eden (4)

E16Nightmare of Eden (4)

25m6.6

Dec 15, 1979

The Doctor finally discovers the truth about the drug smuggling ring. But the villains are still one step ahead.

The Horns of Nimon (1)

E17The Horns of Nimon (1)

25m6.2

Dec 22, 1979

Deep space, an unknown time. The TARDIS encounters a disabled Skonnon battlecruiser transporting Anethan 'tribute'. The co-pilot is determined to reach Skonnos at any cost.

The Horns of Nimon (2)

E18The Horns of Nimon (2)

25m6.0

Dec 29, 1979

Having reached Skonnos, Romana is sent with the Anethians to face the deadly Nimon.

The Horns of Nimon (3)

E19The Horns of Nimon (3)

25m5.8

Jan 5, 1980

The Doctor and Romana are trapped in the Nimon's lair. Is he really the last of his race? What are his real intentions toward Skonnos?

The Horns of Nimon (4)

E20The Horns of Nimon (4)

25m6.0

Jan 12, 1980

Romana is trapped on a ruined planet. The Nimons are launching their invasion of Skonnos. Can the Doctor stop the 'Great Journey of Life' ?

The season featured a story arc involving E-Space and the return of the Master who had stolen a new body rather than regenerate. The stories were darker and more adult in tone than those during the Graham Williams era. They also attempted to emphasise science, much to the satisfaction of both script editor Christopher H. Bidmead and executive producer Barry Letts. Notably, this season revolves around the theme of entropy, linking together all of its stories in a rare phenomenon for the show (while other story arcs would be linked together via people, objects, etc, the use of an overarching theme for a season was unprecedented). This theme would eventually foreshadow and culminate in the Doctor's regeneration at the end of the season.

The Leisure Hive (1)

E1The Leisure Hive (1)

24m6.5

Aug 30, 1980

The planet Argolis, around the year 2290. The Argolins live in a huge shielded city, protected from the irradiated wasteland outside. The planet's survival depends on the tourists their Leisure Hive attracts. But a series of horrific deaths seems to jeopardise that future - can the Doctor and Romana find a solution?

The Leisure Hive (2)

E2The Leisure Hive (2)

21m6.2

Sep 6, 1980

Another man is found dead, strangled by the Doctor's scarf, so the Doctor is put on trial. By some of the archaic rules of law, he's made to "prove" his innocence by becoming a test subject in a new tachyon experiment with time. The result will prove his innocence or guilt, so they say.

The Leisure Hive (3)

E3The Leisure Hive (3)

22m6.2

Sep 13, 1980

With the Doctor suffering from the time experiment, the clandestine schemes of others start coming to light, along with the secreted purposes to which the tachyonic generator has been used.

The Leisure Hive (4)

E4The Leisure Hive (4)

22m6.6

Sep 20, 1980

With the saboteur and murderer revealed and arrested, peace should now be restored, but a new threat emerges - a war-monger who's both ready and eager to aggress upon other worlds with a newly manufactured warrior army.

Meglos (1)

E5Meglos (1)

25m6.0

Sep 27, 1980

The desert planet Zolpha-Thura, the 1980s. Giant intelligent megalomaniac cactus Meglos is planning to conquer the galaxy but first it needs the dodecahedron, a powerful energy source currently on the planet Tigella. To get it back Meglos recruits a band of galactic mercenaries and hatches a cunning scheme requiring it to impersonate the Doctor...

Meglos (2)

E6Meglos (2)

22m6.2

Oct 4, 1980

With the TARDIS occupants trapped in a chronic histeratic loop (forever reliving the same moment in time), the devious Meglos - disguised as the Doctor - gains the trust of the Tigellans along with full and private access to their power chamber.

Meglos (3)

E7Meglos (3)

22m6.2

Oct 11, 1980

Can Romana escape the Gaztaks? What has become of the Dodecahedron? What pressing appointment awaits the Doctor?

Meglos (4)

E8Meglos (4)

20m6.2

Oct 18, 1980

With the Doctor about to be ritualistically sacrificed to appease the god Ti for stealing the dodecahedron, Meglos and the pirates return to Zolfa-Thura with the dodecahedron to fire up an ancient weapon and blast Tigella out of existence.

Full Circle (1)

E9Full Circle (1)

25m6.7

Oct 25, 1980

Deep space, an unknown time - on course for Gallifrey, the TARDIS passes through a strange disruption. When they materialise, the scanner shows the Time Lord homeworld... but the travellers have passed into the negative pocket universe of E-Space and are in fact on the planet Alzarius, where evolution works very differently...

Full Circle (2)

E10Full Circle (2)

23m6.6

Nov 1, 1980

As the humanoid community takes refuge in their crashed spaceship, venomous marsh spiders begin to hatch from the local fruit while bestial marshmen emerge from the waters to walk the land. It is quite apparent that the marshmen desire entry into the spaceship. Meanwhile, as a curious marshchild shadows the Doctor, a group of teen rebels decides to take over the TARDIS.

Full Circle (3)

E11Full Circle (3)

22m6.4

Nov 8, 1980

Infection from a spider bite causes Romana's personality to change. Meanwhile the Doctor, after discovering that the spaceship society is in a perpetual state of repair and upgrade, has morality issues with the ship's leading scientist who readies himself to perform gruesome experiments on the live marshchild while it's fully conscious.

Full Circle (4)

E12Full Circle (4)

25m6.8

Nov 15, 1980

Marshmen invade the Terradonian ship thanks to Romana, who seems to be in communion with them. While the ship's inhabitants flee for their lives, the Doctor discovers a crucial fact why these humanoids can never return to the planet Terradon.

State of Decay (1)

E13State of Decay (1)

23m7.1

Nov 22, 1980

Still trapped in negative E-Space, the TARDIS lands on an unnamed world to find a society sliding back into feudalism. What is the secret of the Three Who Rule? And what ancient enemy of the Time Lords is stirring again on this world...?

State of Decay (2)

E14State of Decay (2)

24m7.0

Nov 29, 1980

The Doctor and Romana are escorted to the tower to meet the royal leaders, hoping they can find answers to why this society evolves backwards. The Doctor recognizes the tower as an old Earth spaceship, and further finds that the old fuel tanks, far from empty, are full - but with blood. Meanwhile, Councilor Aukon senses intelligence in Adric and selects him to be the their first "Chosen One."

State of Decay (3)

E15State of Decay (3)

25m7.0

Dec 6, 1980

The Doctor finds archive material in the TARDIS that tells him he's dealing with an ancient enemy of the Time Lords, a nearly indestructible king vampire who's ready to revive and reenter normal space, spreading death, once again, across the universe.

State of Decay (4)

E16State of Decay (4)

25m7.0

Dec 13, 1980

The Doctor joins the villagers' revolt against their vampire rulers, unsure how to kill the king vampire. Meanwhile Adric is first in line to join the new vampire order while Romana is laid out as a sacrificial Time Lord for the awakening king vampire and his swarm of bats.

Warriors' Gate (1)

E17Warriors' Gate (1)

23m6.3

Jan 3, 1981

The TARDIS is drawn into an empty white void, somewhere between universes. But they are not the only ones trapped there.

Warriors' Gate (2)

E18Warriors' Gate (2)

24m6.6

Jan 10, 1981

When Rorvik learns that Romana is a time sensitive, he takes her prisoner, forcing her to find a way out of the void. The Doctor attempts to discover what lies beyond the mirror.

Warriors' Gate (3)

E19Warriors' Gate (3)

23m6.6

Jan 17, 1981

While Biroc leads the Doctor to a view of the Tharil's lordly past, Romana learns more about the damaged freighter and the cold-heartedness of its crew. Meanwhile Commander Rorvik, confounded by the time mirror inside the universal center gateway, ignores evidence that it's no simple mirror and decides to blast it, imperiling the lives of everyone.

Warriors' Gate (4)

E20Warriors' Gate (4)

25m6.6

Jan 24, 1981

The Doctor deduces that the freighter is a slave ship loaded up with Tharils to be sold as time machine components, but the immense weight of Rorvik's damaged ship, designed to contain the Tharils, is now collapsing the fragile void of the micro-universe in which they're all stuck, pulling everything inside ever closer.

The Keeper of Traken (1)

E21The Keeper of Traken (1)

25m7.4

Jan 31, 1981

The planet Traken. The Traken union is a society living in perfect harmony, watched over by the powerful but benign Keeper. But now the Keeper is dying, and he senses a great evil within his protectorate. Can the Doctor help him discover the secret of the Melkur?

The Keeper of Traken (2)

E22The Keeper of Traken (2)

25m7.3

Feb 7, 1981

Tremas claims consular privilege to protect the Doctor and Adric from execution, though it binds his fate to theirs if they're found guilty of murder. Melkur strengthens his hold over Kassia while Seron decides to have rapport with The Keeper to learn truth, and Adric finds evidence of another TARDIS in the area.

The Keeper of Traken (3)

E23The Keeper of Traken (3)

24m7.5

Feb 14, 1981

With Tremas falling under suspicion, due to his association with the Doctor, a new Keeper Nominate is named. Now, with everything in place, Melkur has only a short wait before his full malevolence can unfold.

The Keeper of Traken (4)

E24The Keeper of Traken (4)

26m7.5

Feb 21, 1981

With the merciless Melkur in control of The Source, the Doctor and his allies have only a slim chance of deposing him, which also puts the peace of the Traken Union in severe jeopardy.

Logopolis (1)

E25Logopolis (1)

25m7.6

Feb 28, 1981

Deciding to repair the TARDIS' chameleon circuit, the Doctor goes to Earth to find a real police box. But an old enemy is one step ahead of him.

Logopolis (2)

E26Logopolis (2)

25m7.5

Mar 7, 1981

The Doctor, aware that his time may soon be ending, travels to the Logopolis where a series of fateful events are set in motion.

Logopolis (3)

E27Logopolis (3)

25m7.5

Mar 14, 1981

With Nyssa from Traken unexpectedly rejoining the group, Adric aids the Monitor of Logopolis in trying to save the Doctor before time runs out. The Master, at liberty to prepare, is finally ready to reveal his true target, which unknowingly sets off the biggest catastrophe of all time.

Logopolis (4)

E28Logopolis (4)

26m8.3

Mar 21, 1981

With the universe collapsing, the Doctor forms an uneasy alliance with the Master to save it. In case all does not go well, the Watcher takes the Doctor's companions to a safe place, but his plans for them don't stop there. The one hope for all lies back on Earth.

Two milestones occurred in Earthshock. Firstly, the Cybermen returned, unannounced, for the first time since Revenge of the Cybermen in 1975 with a completely different design, with David Banks' first appearance as Cyber-Leader, a role he would return to in subsequent stories involving the Cybermen until Silver Nemesis. Secondly, for the first time since The Daleks' Master Plan which had aired in 1965 and 1966, a companion died. Other milestones included Black Orchid, the first non-science fictional historical serial since 1966's The Highlanders, and the destruction of the Doctor's sonic screwdriver in The Visitation. A cliffhanger ending to the series appeared to have left Tegan stranded at Heathrow Airport with the Doctor abandoning her by mistake (the Doctor had spent most of the series trying to get Tegan back to Heathrow, which almost became a running theme).

Castrovalva (1)

E1Castrovalva (1)

25m7.1

Jan 4, 1982

Southern England, 1981. The universe has been saved, but at the cost of the fourth Doctor's life. The newly-regenerated fifth Doctor must rely on his friends to survive as the regeneration threatens to fail…

Castrovalva (2)

E2Castrovalva (2)

25m7.1

Jan 5, 1982

The TARDIS is plunging toward destruction. But even if the Doctor can escape, is yet another trap waiting?

Castrovalva (3)

E3Castrovalva (3)

24m7.1

Jan 11, 1982

The Doctor has arrived in the supposed safety of Castrovalva. But something is odd about the seemingly tranquil city…

Castrovalva (4)

E4Castrovalva (4)

25m7.3

Jan 12, 1982

The TARDIS crew are caught in a space-time trap. Escaping will mean a final confrontation with the Master.

Four to Doomsday (1)

E5Four to Doomsday (1)

24m6.2

Jan 18, 1982

Deep space, four days from Earth, 1981. The TARDIS materialises aboard a massive Urbankan starship. What is the real agenda of Monarch, master of the vessel?

Four to Doomsday (2)

E6Four to Doomsday (2)

25m6.2

Jan 19, 1982

The Doctor and his companions explore Monarch's vessel. But what is the secret of the ancient Earthlings aboard?

Four to Doomsday (3)

E7Four to Doomsday (3)

25m6.3

Jan 25, 1982

Bigon reveals Monarch's terrible plan to the Doctor. Can he act in time to save Nyssa? And which side is Adric on?

Four to Doomsday (4)

E8Four to Doomsday (4)

25m5.8

Jan 26, 1982

The Doctor has little time left to stop the evil Monarch. But he is losing allies — and the TARDIS is gone.

Kinda (1)

E9Kinda (1)

25m6.9

Feb 1, 1982

The TARDIS lands on the jungle planet Deva Loka, where an Earth expedition has been sent to study the Kinda, a tribe of primitive people. Three team members have already vanished. Are the Kinda as primitive as they seem?

Kinda (2)

E10Kinda (2)

25m6.5

Feb 2, 1982

Sanders meets Panna and Karuna who leave a lasting impression on him, while the Dukkha does the same on Tegan. When Hindle's breakdown begins, the Doctor and Todd are in danger.

Kinda (3)

E11Kinda (3)

25m6.7

Feb 8, 1982

Aris now carries the mark of the Mara and has gained voice, so Panna shows the Doctor and Todd exactly what the past, present and future hold for Deva Loka.

Kinda (4)

E12Kinda (4)

25m7.0

Feb 9, 1982

As the Mara finally breaks free of its dream dimension, the Kinda must do everything they can to contain it. Hindle's need to destroy everything and everyone is unstoppable.

The Visitation (1)

E13The Visitation (1)

25m6.8

Feb 15, 1982

As plague sweeps 17th century England, the Doctor discovers a more exotic threat at work - shipwrecked Terileptil convicts, intent on making the planet their own.

The Visitation (2)

E14The Visitation (2)

25m6.6

Feb 16, 1982

To rescue Tegan and Adric, captured and interrogated by the Terileptil fugitive leader, the Doctor must get past the locals under alien control and overcome Death (an android servant dressed up as The Grim Reaper).

The Visitation (3)

E15The Visitation (3)

25m6.4

Feb 22, 1982

The Doctor makes the fugitive Terileptils a rare offer they shouldn't refuse; but, though few in numbers, they have a plan in the works for the quick and complete domination of Earth and mean to see it through.

The Visitation (4)

E16The Visitation (4)

24m6.6

Feb 23, 1982

With Tegan and Richard under alien control, and the manor sealed against anyone leaving or entering, it's a question whether or not the Doctor can get to London before the Terileptils release their improved strain of black death upon the world.

Black Orchid (1)

E17Black Orchid (1)

25m6.2

Mar 1, 1982

The TARDIS arrives on Earth in 1925 where, due to a case of mistaken identity, the Doctor ends up playing in a local cricket match, but events take on a more sinister tone at the country home of their host Lord Cranleigh.

Black Orchid (2)

E18Black Orchid (2)

25m6.2

Mar 2, 1982

Ann escapes her Harlequin-clad abductor but it's The Doctor whom she accuses. Strangled bodies mount and The Doctor is arrested along with "accessories" Tegan, Nyssa and Adric. Will Lady Cranleigh's secret come out?

Earthshock (1)

E19Earthshock (1)

25m8.0

Mar 8, 1982

The TARDIS crew arrives on Earth in the 26th Century in a cave system where a military force is investigating the disappearance of a palaeontological expedition.

Earthshock (2)

E20Earthshock (2)

25m8.1

Mar 9, 1982

With her crew vanishing mysteriously, Captain Briggs assumes the Doctor is the guilty party, but the traitor is closer to home… as are the Cybermen.

Earthshock (3)

E21Earthshock (3)

25m8.0

Mar 15, 1982

The Cybermen are released from their silos and are on the march, attacking Briggs's crew and ensuring that the freighter remains on course for Earth. But why?

Earthshock (4)

E22Earthshock (4)

25m8.3

Mar 16, 1982

The Doctor realises the freighter is now a huge bomb and sends it back through time where it can explode millions of years ago... but Adric is still aboard...

Time-Flight (1)

E23Time-Flight (1)

25m5.9

Mar 22, 1982

A Concorde loaded with passengers and crew vanishes into thin air. The still-grieving TARDIS crew arrive at Heathrow Airport in 1981 as the Doctor volunteers his services to solve the mystery.

Time-Flight (2)

E24Time-Flight (2)

24m5.8

Mar 23, 1982

The Doctor's TARDIS is stolen, and tracking it down reveals the existence of an alien named Kalid controlling events in the past. While the Doctor challenges Kalid's motives for being there, Tegan and Nyssa discover the source of Kalid's power - an even greater threat for the Doctor.

Time-Flight (3)

E25Time-Flight (3)

25m5.8

Mar 29, 1982

From within their sarcophagus, the gestalt Xeraphin are communicating through Nyssa. But their psychic energy is so powerful it may destroy her body completely.

Time-Flight (4)

E26Time-Flight (4)

25m6.0

Mar 30, 1982

The Master's TARDIS is repaired and the Doctor must follow him back to 20th century Heathrow, once he has rescued all the passengers and crew from both Concordes.

Structurally, the season retread season 18's formula of including a trilogy of stories bound together by an overarching theme. In this instance, the tripartite tale involved Turlough's attempts to kill the Doctor at the behest of the Black Guardian.

Arc of Infinity (1)

E1Arc of Infinity (1)

25m6.0

Jan 3, 1983

On Gallifrey, someone on the high council is perpetrating a treasonous act - transmitting the Doctor's bio-extract from the space/time matrix to an anti-matter being. On Earth, two English lads spend their last night in Amsterdam sleeping in a crypt where they're attacked by an alien creature under the same anti-matter being's control.

Arc of Infinity (2)

E2Arc of Infinity (2)

25m6.3

Jan 5, 1983

With an anti-matter being trying to enter the universe through the Doctor, risking the destruction of everything, there is only one clear course of action for the High Council of Time Lords to take: execute the Doctor. Meanwhile, Tegan arrives in Amsterdam and hears about what's become of her cousin from his unscathed friend.

Arc of Infinity (3)

E3Arc of Infinity (3)

25m6.0

Jan 11, 1983

Something seemed amiss about the Doctor's execution, so the Castellan has Commander Maxil discreetly but fully look it. Meanwhile, as the Doctor meets the anti-matter being inside the Time Lord Matrix, Tegan and her cousin's friend run afoul of a bird-like alien back on Earth.

Arc of Infinity (4)

E4Arc of Infinity (4)

25m5.8

Jan 12, 1983

The High Council creates a distraction so the Doctor and Nyssa can find Omega on Earth and prevent his reentry into our universe.

Snakedance (1)

E5Snakedance (1)

25m6.0

Jan 18, 1983

Tegan steers the TARDIS to the planet Manussa, without meaning to - but why? And is it a coincidence that the planet is about to celebrate the 500th anniversary of the expulsion of the insidious Mara?

Snakedance (2)

E6Snakedance (2)

25m5.5

Jan 19, 1983

The Doctor talks to Ambril and Chela to try and stop the 500th anniversary celebrations. A possessed Tegan finds herself in Dugdale's Hall of Mirrors to where she summons Lon. The Doctor and Nyssa return to the caves.

Snakedance (3)

E7Snakedance (3)

25m5.5

Jan 25, 1983

The possessed Tegan and Lon try to find the whereabouts of the Great Crystal. The Doctor finds himself in prison, with only Nyssa to try and get him out. Chela tells the Doctor tales of Dojjen.

Snakedance (4)

E8Snakedance (4)

25m5.5

Jan 26, 1983

The Doctor and the original snakedancer Dojjen work to rid the planet of the Mara.

Mawdryn Undead (1)

E9Mawdryn Undead (1)

25m6.6

Feb 1, 1983

The Doctor discovers a starship trapped in a time warp over Earth. Meanwhile, public schoolboy - and secret alien émigré, Turlough, learns he can have that which he most desires, in return for the murder of the Doctor...

Mawdryn Undead (2)

E10Mawdryn Undead (2)

25m6.5

Feb 2, 1983

The TARDIS lands on Earth six years out of date, stranding the Doctor in 1983 while leaving Tegan and Nyssa to look for him in 1977. Both parties also encounter former companion, Brigadier Lethbridge-Stewart, though curiously, he has no memory of the Doctor at all.

Mawdryn Undead (3)

E11Mawdryn Undead (3)

25m6.3

Feb 8, 1983

Mawdryn and his eternal mutants reveal the truth: they are exiles, they are in pain and need the Doctor's future 'lives', as afforded by each of his remaining regenerations.

Mawdryn Undead (4)

E12Mawdryn Undead (4)

25m6.3

Feb 9, 1983

As the Doctor's ethics are challenged and the two Brigadiers finally meet, Turlough plots with the Black Guardian to bring the Time Lord down once and for all...

Terminus (1)

E13Terminus (1)

25m6.2

Feb 15, 1983

Deep space, some time in the future. Still following the Black Guardian's orders, Turlough sabotages the TARDIS, forcing an emergency fusion with an apparently deserted starship. But the ship is headed for the notorious plague colony, Terminus. Surrounded by plague victims and space pirates, is the Doctor too preoccupied to notice the greatest threat of all - a threat connected to the position of Terminus at the exact centre of the universe?

Terminus (2)

E14Terminus (2)

25m6.3

Feb 16, 1983

The Doctor's party remains divided and scattered as the immense transport docks at the Terminus space station, which turns out to be a leper colony at the exact centre of the known universe. As they find their way around and investigate, Nyssa shows signs of contracting the disease.

Terminus (3)

E15Terminus (3)

25m6.3

Feb 22, 1983

Since the Doctor's party represents neither lazars nor handlers, they're presumed to be investigators, which is enough to spark the disgruntled Valgard into challenging Eirak over leadership of the handlers. Meanwhile, as the giant, dog-like Garm takes a terrified Nyssa off for "treatment," Bor returns from the forbidden zone with interesting news about the ship.

Terminus (4)

E16Terminus (4)

25m6.8

Feb 23, 1983

In attempting to reopen a doorway into the TARDIS, Turlough activates Terminus' automated fuel-jettisoning sequence. The first time this sequence was engaged, it flung its first of two massive loads of unstable fuel into the distant past, producing the Big Bang that created the universe. This second sequence - if the Doctor can't find a way to shut it down - will release a second massive load, the explosion of which will entirely negate the effects of the first.

Enlightenment (1)

E17Enlightenment (1)

25m6.8

Mar 1, 1983

After receiving a warning from the White Guardian, the Doctor initially believes the TARDIS has landed aboard an Edwardian clipper ship - but all is not as it seems. While the time travellers are caught up in the omnipotent Eternals' race for the ultimate prize, the Black Guardian's scheme to destroy the Doctor enters the end-game - but which side is Turlough a pawn of?

Enlightenment (2)

E18Enlightenment (2)

25m6.3

Mar 2, 1983

Captain Striker and his officers reveal themselves to be Eternals, mind-reading creatures who live outside of time and who require Ephemerals (humans and other "time dwellers") to relieve them of their emptiness. They race against other Eternals for the grand prize of Enlightenment, by which to grant their deepest wishes. That can't be good for the universe, but how can the Doctor strategise against beings adept at reading his every thought?

Enlightenment (3)

E19Enlightenment (3)

25m6.5

Mar 8, 1983

Turlough's panic puts him aboard a pirate ship where Captain Wrack uses his presence to invite all the other captains over for dinner. She's been picking off a few of her greatest rivals in the race and now sees an opportunity to clear the field once and for all and become the clear winner.

Enlightenment (4)

E20Enlightenment (4)

25m6.6

Mar 9, 1983

Tegan isn't aware she been outfitted with a device to destroy Captain Striker's ship. While the detonation will merely slip the indestructible Eternals back into the realm of eternity, nothing nearly so elegant or as tidy awaits the Ephemerals aboard the ship.

The King's Demons (1)

E21The King's Demons (1)

25m5.6

Mar 15, 1983

In 1215 at the castle of Ranulf Fitzwilliam, son Hugh is jousting on a matter of honor against Sir Gillis Estram, the champion of King John, when the TARDIS appears. The Doctor, Turlough and Tegan are immediately hailed as demons and welcomed warmly by the King. Something is wrong with this picture, observes the Doctor.

The King's Demons (2)

E22The King's Demons (2)

25m5.5

Mar 16, 1983

England, 1215. With the historic signing of the Magna Carta supposedly only days away, the Doctor is startled to find King John apparently intent on provoking civil war - and seemingly in two places at once...

The Twin Dilemma, the first story with Colin Baker as the Sixth Doctor, aired last in the season. This season saw the departure of companions Tegan, Turlough and Kamelion and introduced Peri. Most episodes were the traditional twenty-five minute length. However, due to coverage of the 1984 Winter Olympics, Resurrection of the Daleks was re-edited before airing and shown as two forty-five minute episodes.

Warriors of the Deep (1)

E1Warriors of the Deep (1)

25m5.8

Jan 5, 1984

Earth's ocean floor, 2084. With two superpowers poised on the brink of a devastating photonic war, a missile base comes under attack from the reptilian Sea Devils and Silurians, intent on eradicating the upstart human race and reclaiming the planet…

Warriors of the Deep (2)

E2Warriors of the Deep (2)

25m6.2

Jan 6, 1984

Just as the Doctor gains a tentative trust from the humans, a Silurian battle cruiser approaches. The Doctor warns Commander Vorsha to hold his fire and find out what they want, but is the level-headed commander one who'll listen?

Warriors of the Deep (3)

E3Warriors of the Deep (3)

25m6.2

Jan 12, 1984

As Vorshak's crew are cut down by Sauvix's Sea Devil Warriors, the Doctor is running out of ways to broker a peace between the opposing species.

Warriors of the Deep (4)

E4Warriors of the Deep (4)

25m6.0

Jan 13, 1984

With Silurians in control of the base, Icthar reveals his plan for a final solution to Earth's human problem, which presents the Doctor a great moral dilemma.

The Awakening (1)

E5The Awakening (1)

26m6.5

Jan 19, 1984

The sleepy English village of Little Hodcombe, 1984. The village re-enactment of the English Civil War is in full swing, but a malign alien presence intends the mock-battles to be rather more realistic than planned...

The Awakening (2)

E6The Awakening (2)

25m5.8

Jan 20, 1984

The Malus, an alien that's purely evil, needs the civil war re-enactments to become authentic so it can feed off the psychic energy of dying and embattled men and fully revive. Not if the Doctor can derail things, of course.

Frontios (1)

E7Frontios (1)

25m6.8

Jan 26, 1984

The planet Frontios, in the distant future. Following Earth's destruction, a tiny colony struggles to eke out a life on this desolate world. But where do the bombardments that threaten them originate from? Little does the Doctor suspect that somewhere nearby lurks a power capable of ripping even the TARDIS apart…

Frontios (2)

E8Frontios (2)

25m7.1

Jan 27, 1984

Following the destruction of the TARDIS, the only part of it left is the hat stand. So Turlough uses it as a weapon! Plantagenet gets swallowed by the earth, and Norna and Turlough discover the Tractators.

Frontios (3)

E9Frontios (3)

25m7.1

Feb 2, 1984

Trying to rescue the Doctor from the Tractator's trap, Tegan lands them both in even more trouble. Turlough goes a bit mad, and reckons he knows the evil of the Tractators from old.

Frontios (4)

E10Frontios (4)

25m7.1

Feb 3, 1984

The Doctor tries to deal with the Tractator's cunning plan, despite Turlough's best intervention. They discover the splintered TARDIS in the tunnels beneath the planet's surface, but how will they put it together again?

Resurrection of the Daleks (1)

E11Resurrection of the Daleks (1)

46m8.4

Feb 8, 1984

London's Docklands, 1984. Why are uniformed policemen gunning down strangely-dressed vagrants in broad daylight? A prison ship in the far future - who is the sole prisoner aboard the craft? And why are these two locations linked by the time corridor the TARDIS has been sucked into?

Resurrection of the Daleks (2)

E12Resurrection of the Daleks (2)

46m8.0

Feb 15, 1984

As the surviving station crew work to destroy the space station, Davros consolidates his power and the Daleks launch a fiendish scheme to use the Doctor against the Time Lords.

Planet of Fire (1)

E13Planet of Fire (1)

25m6.6

Feb 23, 1984

Lanzarote, 1985. Archaeologist Howard Foster raises a strange metal artefact from the sea floor. But how is it linked to the signal the TARDIS received? Why is Turlough suddenly so worried? And why is Kamelion acting so erratically?

Planet of Fire (2)

E14Planet of Fire (2)

25m6.8

Feb 24, 1984

While the Master, victim of his own attempt to improve his TCE weapon, seeks restoration through Sarn's numismaton gas, the truth of Turlough's past comes out at last, though to guarantee the safety of his brother and the Sarn people, Turlough must consider a great personal sacrifice.

Planet of Fire (3)

E15Planet of Fire (3)

24m6.7

Mar 1, 1984

Sarn prophesy foretells of an outsider who will come to aid the people. It's a role the Master is more than delighted to fill, which finally presents Timanov, the Sarn religious leader, the unbridled support he's sought in his campaign to cull the faithless from among his people. Turlough's secret past, however, is somehow intricately involved in all this, and the reluctance of its disclosure is enough to threaten all friendly ties with the Doctor.

Planet of Fire (4)

E16Planet of Fire (4)

25m6.5

Mar 2, 1984

While the Master, victim of his own attempt to improve his TCE weapon, seeks restoration through Sarn's numismaton gas, the truth of Turlough's past comes out at last, though to guarantee the safety of his brother and the Sarn people, Turlough must consider a great personal sacrifice.

The Caves of Androzani (1)

E17The Caves of Androzani (1)

25m8.4

Mar 8, 1984

The planet Androzani Minor, the distant future. In the planet's caves war rages between government troops and the android warriors of the mysterious Sharaz Jek. But what makes spectrox, the substance they battle to control, so valuable? And how far will the Doctor go to protect his companion?

The Caves of Androzani (2)

E18The Caves of Androzani (2)

26m8.5

Mar 9, 1984

The Doctor and Peri have been rescued from the firing squad by the mysterious Sharaz Jek. But he has his own plans for them. And why are they suddenly feeling ill?

The Caves of Androzani (3)

E19The Caves of Androzani (3)

25m8.5

Mar 15, 1984

The situation on Androzani Minor is building toward a violent confrontation, and the Doctor and Peri are slowly succumbing to spectrox toxemia.

The Caves of Androzani (4)

E20The Caves of Androzani (4)

26m8.7

Mar 16, 1984

Events on Androzani reach a bloody climax. Will the Doctor and Peri survive the carnage? And at what cost?

The Twin Dilemma (1)

E21The Twin Dilemma (1)

25m4.4

Mar 22, 1984

Earth, the future. The genius Sylvest twins, child prodigies, are kidnapped by the mysterious Professor Edgeworth and taken to the planet Jaconda. But who is Edgeworth? Why does he serve the giant slug Mestor? And what is Mestor's plan?

The Twin Dilemma (2)

E22The Twin Dilemma (2)

26m5.2

Mar 23, 1984

The Doctor takes Peri to Titan 3, a desolate hunk of rock in space where he hopes to find some solitude for a while. Instead he finds the lone but unconscious survivor of a recent spaceship crash in sight of a mound-shaped complex where no formalised structure should exist.

The Twin Dilemma (3)

E23The Twin Dilemma (3)

25m4.5

Mar 29, 1984

The Doctor arrives on Jaconda, once lush and green, to find it completely devastated by giant gastropods. Old legends about the planet's half-human/half-slugs weren't just myths after all. With or without help from the Doctor and his unpredictable mood swings, Lt. Lang is up for rescuing the twins, who are finally informed of the grand purpose they've been brought to Jaconda to accomplish.

The Twin Dilemma (4)

E24The Twin Dilemma (4)

26m4.4

Mar 30, 1984

The Doctor and Edgeworth deduce that the real plan of Mestor, the gastropod ruler of Jaconda, will not only destroy Jaconda but lead to the devastation of other planets. Together they hope to thwart him despite his formidable ability at slipping into people's minds and controlling them.

With this season the BBC experimented with the format of the series, reducing the number of episodes to thirteen, but making each episode forty-five minutes long. The experiment did not result in improved ratings and at the end of the season the BBC announced it was cancelling the series; uproar from fans resulted in the BBC changing its mind and putting the series on an eighteen-month hiatus instead. This season is notable for featuring the final appearance of Patrick Troughton as the beloved Second Doctor, in a storyline that gave rise to a popular fan theory known as Season 6B.

Attack of the Cybermen (1)

E1Attack of the Cybermen (1)

45m6.1

Jan 5, 1985

London, 1985. The alien mercenary Lytton has been stranded here for nearly a year, but now he has a plan to escape. But how does it involve the Doctor's old enemies - and why are they on Earth at this point in history?

Attack of the Cybermen (2)

E2Attack of the Cybermen (2)

45m5.8

Jan 12, 1985

On Telos, the Doctor is reintroduced to the Cyber Leader and meets the Cryons, the planet's original inhabitants who will go to any lengths to get their world back!

Vengeance on Varos (1)

E3Vengeance on Varos (1)

45m5.1

Jan 19, 1985

The former prison planet Varos, the future. The downtrodden population of miners are kept happy by real-life violence and murder broadcast live from the Punishment Dome. But then the TARDIS materialises inside the Dome...

Vengeance on Varos (2)

E4Vengeance on Varos (2)

45m5.0

Jan 26, 1985

The Governor forces the Doctor to tell him the true value of Zeiton-7 but Sil attempts to derail his plans by subjecting Peri and Areta to an enforced mutation.

The Mark of the Rani (1)

E5The Mark of the Rani (1)

46m5.7

Feb 2, 1985

England, the 1820s. As the Industrial Revolution gathers pace, the village of Killingworth is disturbed by crazed Luddite miners intent on smashing all machinery and engineers. But is there another cause of the situation?

The Mark of the Rani (2)

E6The Mark of the Rani (2)

45m5.8

Feb 9, 1985

The Master uses The Rani's mind-controlling parasites to keep a meeting of Earth's leading scientists from being cancelled, and helps her plant transformation land mines for The Doctor, as he continues to propose an alliance with her in ruling over Earth.

The Two Doctors (1)

E7The Two Doctors (1)

45m6.4

Feb 16, 1985

The alien space station J7, the mid-1980s Earth time. The Time Lords have sent the second Doctor and Jamie here to try to stop dangerous experiments into time travel. But the station comes under attack from the Sontarans and far away in space and time the sixth Doctor goes into psychic shock...

The Two Doctors (2)

E8The Two Doctors (2)

45m6.6

Feb 23, 1985

The Doctor and Peri meet Jamie and learn the Second Doctor is with the Sontarans on Earth.

The Two Doctors (3)

E9The Two Doctors (3)

45m6.3

Mar 2, 1985

The Sontarans prepare the Second Doctor to trigger their Kartz-Reimer capsule.

Timelash (1)

E10Timelash (1)

46m4.5

Mar 9, 1985

The planet Karfel, in the distant future. The tyrannical Borad rules with an iron fist, and any who oppose him are cast into the Timelash - a space-time tunnel leading to the past of an alien world called Earth...

Timelash (2)

E11Timelash (2)

45m4.5

Mar 16, 1985

The Borad accepts no opposition and enables Maylin Tekker to expose the rebels and trap Peri with the Morlox. The Doctor tries to avert a war between Karfel and the Bandrils.

Revelation of the Daleks (1)

E12Revelation of the Daleks (1)

45m5.5

Mar 23, 1985

The planet Necros, the future. The Doctor arrives for the cryogenic interment of an old friend at Tranquil Repose, a vast repository of bodies in suspended animation. But what does the 'Great Healer' really have in mind for them...?

Revelation of the Daleks (2)

E13Revelation of the Daleks (2)

46m5.6

Mar 30, 1985

Davros plans to create an army of Daleks loyal only to him but on Skaro, the Daleks have other plans and head to Necros. Caught in the middle of this, the Doctor must save Peri...

This season had a unique format, never again repeated in the show. Doctor Who had returned to production after a near-cancellation and an eighteen-month production hiatus. For the first time, a season consisted of a single story, The Trial of a Time Lord, although this was made up of four serials from a production perspective: each serial was written by a different person (save for The Mysterious Planet and the first part of The Ultimate Foe, both of which were written by Robert Holmes) and featured a different story presented as evidence, excluding the final two episodes which concluded the ongoing story of the trial; the trial storyline itself acted as a framing device to bracket the first three serials. As a result, whether The Trial of a Time Lord should be considered one story or four has been intensely debated. This single-story format, sometimes referred to as a "miniseries", would later be utilised for the third and fourth series of Torchwood.

The Trial of a Time Lord: Part 1

E1The Trial of a Time Lord: Part 1

26m6.0

Sep 6, 1986

The Doctor is taken 'out of time' by the Time Lords and made to face an inquiry into his meddling in the affairs of others, overseen by the Inquisitor. The prosecutor, the Valeyard, soon has the proceedings upgraded to a trial for the Doctor's life. Evidence takes the form of recordings of the Doctor's recent adventures, beginning with his visit to the mysterious world of Ravalox and an encounter with Andromedan space pirates...

The Trial of a Time Lord: Part 2

E2The Trial of a Time Lord: Part 2

25m5.9

Sep 13, 1986

The Doctor has an appointment with the Immortal, while Peri finds herself caught up with Glitz and the Tribe of the Free. Meanwhile, Merdeen begins to question all he believes.

The Trial of a Time Lord: Part 3

E3The Trial of a Time Lord: Part 3

25m5.8

Sep 20, 1986

The Doctor escapes to rejoin Peri on the surface but shortly after becomes the prisoner of a surface-dwelling tribe called The Free. Ravalox isn't Ravalox after all, but before the Doctor can learn much more an irresistible agent from UK Habitat comes to fetch him back.

The Trial of a Time Lord: Part 4

E4The Trial of a Time Lord: Part 4

25m5.6

Sep 27, 1986

All those on Ravolox are in exponentially greater peril than anyone can comprehend. If anything in the entire universe is to survive, it may come down to the Doctor arguing against machine logic over the value of life.

The Trial of a Time Lord: Part 5

E5The Trial of a Time Lord: Part 5

25m6.0

Oct 4, 1986

The Doctor's trial continues. The Valeyard's next piece of evidence for the prosecution concerns the Doctor's recent trip to Thoros Beta. Though originally investigating arms dealing, the Doctor and Peri become embroiled in their old enemy Sil's alarming neurological experiments...

The Trial of a Time Lord: Part 6

E6The Trial of a Time Lord: Part 6

25m6.2

Oct 11, 1986

The scientist Crozier keeps making empty promises and Yrcanos and Peri are seemingly betrayed by the addled Doctor who is sure the Matrix is being manipulated...

The Trial of a Time Lord: Part 7

E7The Trial of a Time Lord: Part 7

25m5.9

Oct 18, 1986

While the Doctor helps Dr. Crozier transfer Lord Kiv's brain into a new host skull, Peri accompanies King Yrcanos as he searches for the Alpha Resistance fighters whom he feels, most certainly, will follow him into glorious battle against the Mentors and the Doctor.

The Trial of a Time Lord: Part 8

E8The Trial of a Time Lord: Part 8

25m6.1

Oct 25, 1986

As the Possidor Ambassador visits, Sil is appalled to realise Crozier has selected Peri to be the Kiv's new host body - a move Yrcanos takes exception to with devastating results.

The Trial of a Time Lord: Part 9

E9The Trial of a Time Lord: Part 9

25m4.4

Nov 1, 1986

With the prosecution case concluded, at last the Doctor is able to present his evidence. It takes place in the future with a new companion and new problems.

The Trial of a Time Lord: Part 10

E10The Trial of a Time Lord: Part 10

25m4.4

Nov 8, 1986

As the Hyperion III continues its journey, more mysterious deaths occur.

The Trial of a Time Lord: Part 11

E11The Trial of a Time Lord: Part 11

25m4.3

Nov 15, 1986

A course change that takes the Hyperion III closer to a black hole could prove unwise when there are so many aboard ship with hidden agendas. Disappearances continue, a murderer remains at large, and one person finally crumbles under the strain of harbouring a guilty secret.

The Trial of a Time Lord: Part 12

E12The Trial of a Time Lord: Part 12

25m4.4

Nov 22, 1986

With factions vying for control of the ship, the Vervoids are found to be responsible for the many disappearances. Only the Doctor sees the fundamental but missed point as to why they can't be reasoned with or why they can't be allowed to arrive on Earth.

The Trial of a Time Lord: Part 13

E13The Trial of a Time Lord: Part 13

25m6.0

Nov 29, 1986

The Valeyard's true identity is revealed and the trial aborted, but the Doctor and Mel must pursue his new enemy into the Matrix itself, where nothing is quite what it seems…

The Trial of a Time Lord: Part 14

E14The Trial of a Time Lord: Part 14

30m5.4

Dec 6, 1986

The final part of this epic adventure. The Doctor and the Valeyard have entered the world of the Matrix. Can the Doctor defeat the evil incarnation of himself?

Unlike season 23, there was no overall story arc, and the episode allotment - two four-episode stories, two three-episode stories - would be retained for the remainder of the original series. Notably, the season featured the introduction of new companion Ace, who would be a prominent figure in the spinoff fiction that kept the Doctor Who name alive following its cancellation in 1989 and was the final official onscreen companion until Rose Tyler in the revived series.

Time and the Rani (1)

E1Time and the Rani (1)

25m5.3

Sep 7, 1987

The alien world of Lakertya. With the aid of the savage Tetraps, the Rani has conquered this planet to allow her to continue her depraved biochemical experiments. But she finds herself needing the Doctor's assistance...

Time and the Rani (2)

E2Time and the Rani (2)

25m5.8

Sep 14, 1987

The Rani's impersonation of Mel backfires badly because Urak can't tell the difference, while the Doctor attempts to learn the secret of the Loyhargil.

Time and the Rani (3)

E3Time and the Rani (3)

25m5.9

Sep 21, 1987

The solstice nears, making it time for the Rani to bring her plans into fruition. The Doctor's sympathies for Beyus, ruler of the Lykertyans, are rather qualified. Beyus' heart is for his people yet something prompts him to collaborate fully in helping the Rani reach all her objectives. The answer, he's told, lies within the Center of Leisure.

Time and the Rani (4)

E4Time and the Rani (4)

25m5.7

Sep 28, 1987

The Rani, at last, links the Doctor into her great brain machine, the crowning jewel in her component packet of geniuses brought together to turn Lakertya itself into one vast cerebral mass capable of redirecting time anywhere in the universe, giving her absolute power over all creation.

Paradise Towers (1)

E5Paradise Towers (1)

25m5.4

Oct 5, 1987

The legendary Paradise Towers is supposed to be the height of luxury but when the Doctor and Mel arrive, they find it is as far from paradise as possible...

Paradise Towers (2)

E6Paradise Towers (2)

25m6.1

Oct 12, 1987

With the Doctor condemned to death by the caretakers and their bizarre rulebook, Mel faces cannibalistic OAPS. Is Pex going to be the true hero of Paradise Towers?

Paradise Towers (3)

E7Paradise Towers (3)

25m6.0

Oct 19, 1987

Mel and Pex play cat and mouse with the lethal cleaner robots while the Doctor and the surviving Kangs learn all about Kroagnon the Great Architect.

Paradise Towers (4)

E8Paradise Towers (4)

25m5.9

Oct 26, 1987

Meeting up at the pool, the Doctor leads the surviving Rezzies, Kangs and Caretakers as they draw the line together on the 245th floor against the systematic cleansing of all life by Kroagnon and his robotic Cleaners.

Delta and the Bannermen (1)

E9Delta and the Bannermen (1)

25m6.0

Nov 2, 1987

Wales, 1959. A top-secret US satellite has mysteriously gone missing. This could have something to do with the arrival of a party of alien tourists en route to Disneyland, amongst their number Mel and the Doctor, and the Queen of the Chimerons - who's fleeing the Bannermen and their genocidal leader Gavrok...

Delta and the Bannermen (2)

E10Delta and the Bannermen (2)

25m5.9

Nov 9, 1987

Mel's just discovered something very interesting about the life cycle of her new friend and the Doctor has been cornered by an alien bounty hunter wearing blue suede shoes.

Delta and the Bannermen (3)

E11Delta and the Bannermen (3)

25m5.7

Nov 16, 1987

As Billy and Ray do what they can to help save Delta and the baby, the Doctor and Goronwy the beekeeper face Gavrok and his Bannermen one last time...

Dragonfire (1)

E12Dragonfire (1)

25m6.5

Nov 23, 1987

The deep-space trading post of Iceworld, the far future. The Doctor, Mel, their old friend Glitz and time-lost waitress Ace go in search of a fabulous treasure, supposedly guarded by a fire-breathing dragon. But what is the link between the treasure and Iceworld's proprietor, the frosty Mr Kane?

Dragonfire (2)

E13Dragonfire (2)

25m6.5

Nov 30, 1987

While Mel and Ace run from Glitz's former crewmen (whom he sold to Kane), officers Belazs and Kracauer conspire to overthrow Kane. The Doctor, meanwhile, discovers there really is a dragon in the ice caverns, which turns out to be a bio-mechanoid with a very interesting function.

Dragonfire (3)

E14Dragonfire (3)

25m7.0

Dec 7, 1987

At last learning the location of the missing key to his spaceship, Kane has the dragon hunted down and Iceworld brutally purged of all visitors; but, the Doctor, visiting the Ice Garden, learns something significant that will put the chagrin on Kane's grand plans for home world vengeance.

As the silver anniversary season, it included several stories noting the milestone: Remembrance of the Daleks, which featured the final "classic series" appearance of the Daleks and Davros and which would feature scenes set at Coal Hill School and 76 Totter’s Lane, both significant locations in the first episode, An Unearthly Child; and Silver Nemesis, the final classic series appearance of the Cybermen, which had its first episode broadcast on the actual 25th anniversary of the series. It also showed the lighter side of the Seventh Doctor's personality fade and be replaced by darker qualities. The Greatest Show in the Galaxy was also the last episode to have the Doctor dressed in bright colours. This would also be the first season that would be recorded with the intention of, and be broadcast in, a stereo mix.

Remembrance of the Daleks (1)

E1Remembrance of the Daleks (1)

25m8.8

Oct 5, 1988

London, 1963. Returning to the scenes of his first televised adventure, the Doctor and new companion Ace play a tricky game of bluff and deceit involving two rival Dalek factions, local soldiers, and the awesomely powerful Gallifreyan artefact, the Hand of Omega...

Remembrance of the Daleks (2)

E2Remembrance of the Daleks (2)

25m8.4

Oct 12, 1988

With two factions of Daleks involved in a race war on Earth, the Doctor takes care of old business by having the Hand of Omega ceremoniously but quietly buried in a churchyard. His actions do not go unobserved, and leaving behind a bored Ace without a purposeful outlet could spell trouble as well.

Remembrance of the Daleks (3)

E3Remembrance of the Daleks (3)

25m8.2

Oct 19, 1988

The Doctor plans to let one of the Dalek factions have the Hand of Omega (but not too easily, of course) while keeping Gilmore and his military men preoccupied in a safe territory, but that plan could be threatened by a mole in their midst and a miscalculation on the Doctor's part.

Remembrance of the Daleks (4)

E4Remembrance of the Daleks (4)

25m8.5

Oct 26, 1988

The Omega device is in jeopardy. A giant Dalek warship hangs above the Earth. London has become a battleground for ruthless alien intelligences.

The Happiness Patrol (1)

E5The Happiness Patrol (1)

25m6.4

Nov 2, 1988

The Earth colony Terra Alpha, the future. With the aid of her sweet-natured executioner, Helen A, ruler of the planet, has ensured the population is happy - on pain of death! The Doctor and Ace decide to fight for the right to be miserable.

The Happiness Patrol (2)

E6The Happiness Patrol (2)

25m6.9

Nov 9, 1988

The Doctor and Earl manage to escape from the Kandy Man and join up with the planet's natives, the Pipe People, enlisting their help to rescue Ace.

The Happiness Patrol (3)

E7The Happiness Patrol (3)

25m6.9

Nov 16, 1988

As the Doctor leads the Pipe People towards reclaiming their world, Helen A faces betrayal from those closest to her.

Silver Nemesis (1)

E8Silver Nemesis (1)

25m6.1

Nov 23, 1988

The Doctor and Ace battle the time traveller Lady Peinforte and the Cybermen for possession of the incredibly powerful Nemesis statue, which is on its way back to the planet Earth to rendezvous with a destiny set in stone by the Doctor himself.

Silver Nemesis (2)

E9Silver Nemesis (2)

25m6.0

Nov 30, 1988

As hostilities break out between factions vying for ownership of the comet, the Doctor goes after the worst of the lot - Cybermen, using Ace's upgraded boom box to flood Cyber Communications with jazz music while trying to locate the whereabouts of the fleet beyond this mere scouting party.

Silver Nemesis (3)

E10Silver Nemesis (3)

25m5.7

Dec 7, 1988

With the Cyber Fleet poised nearby, the Doctor may have no choice but to let them have Nemesis. Meanwhile, Lady Peinforte and Richard navigate modern society, De Flores encounters an open betrayal, and Ace combats Cybermen with a slingshot.

The Greatest Show in the Galaxy (1)

E11The Greatest Show in the Galaxy (1)

25m6.8

Dec 14, 1988

The Doctor and Ace visit the Psychic Circus on the planet Segonax, where they find the standard of judging at the talent contest distressingly astringent.

The Greatest Show in the Galaxy (2)

E12The Greatest Show in the Galaxy (2)

25m7.1

Dec 21, 1988

The Doctor and Ace reach the Psychic Circus, where the Doctor is imprisoned with the other contestants while Ace draws the attention of the Chief Clown.

The Greatest Show in the Galaxy (3)

E13The Greatest Show in the Galaxy (3)

25m7.4

Dec 28, 1988

Mags helps the Doctor escape and Deadbeat leads him to Ace, where Bellboy tells them what happened to the Psychic Circus.

The Greatest Show in the Galaxy (4)

E14The Greatest Show in the Galaxy (4)

25m7.3

Jan 4, 1989

Mags goes to find Ace and Kingpin, pursued by the Chief Clown, while the Doctor confronts the power behind the Psychic Circus.

It was the final season of the "classic" series. Unusually for a Doctor Who season, aside from some scenes in Survival, all the stories took place on Earth. Apart from Battlefield, the stories followed a loose character arc, as Ace came to terms with her past. As for the Doctor, he had become darker in personality, treating others as pawns in the battle between good and evil while dressing in dark clothes to match his personality change. This was the first and so far only season to be produced entirely out of broadcast order.

Battlefield (1)

E1Battlefield (1)

25m7.5

Sep 6, 1989

As UNIT are transporting a nuclear warhead around Carbury, knights in armour arrive to continue waging a war that began thousands of years ago, but in a wholly different dimension.

Battlefield (2)

E2Battlefield (2)

25m8.0

Sep 13, 1989

The Doctor and Ace discover a stone spaceship underneath Warmsley's archaeological dig while Mordred summons Morgaine to Earth's dimension.

Battlefield (3)

E3Battlefield (3)

25m7.2

Sep 20, 1989

The Brigadier rescues the Doctor from the stone spaceship before they set out to locate Morgaine before she gains Excalibur.

Battlefield (4)

E4Battlefield (4)

25m7.3

Sep 27, 1989

Morgaine forces Ace and Shou Yuing to hand over Excalibur by threatening to release the Destroyer, so the Doctor and the Brigadier enter a dimensional portal to stop her.

Ghost Light (1)

E5Ghost Light (1)

25m6.1

Oct 4, 1989

The Doctor and Ace explore Victorian house Gabriel Chase and realise it hides just as many dark secrets in its drawing room as it does in its dark cellar.

Ghost Light (2)

E6Ghost Light (2)

25m6.2

Oct 11, 1989

The Doctor manages to rescue Ace from the husks and then tries to uncover the truth about the goings on in Josiah's house.

Ghost Light (3)

E7Ghost Light (3)

25m6.0

Oct 18, 1989

Only Redvers, still searching for the elusive Saxe-Coburg, seems able to withstand Light and communicate with Control. Ace realises her past actions need to be dealt with.

The Curse of Fenric (1)

E8The Curse of Fenric (1)

25m7.2

Oct 25, 1989

England, the 1940s. The TARDIS brings the Doctor and Ace to a secret naval base during WWII. There, the time-travellers battle vampiric Haemovores and an ancient Viking curse!

The Curse of Fenric (2)

E9The Curse of Fenric (2)

25m7.0

Nov 1, 1989

The Doctor and Ace manage to convince Sorin to release them while Millington and Judson attempt to translate the Viking runes.

The Curse of Fenric (3)

E10The Curse of Fenric (3)

25m7.1

Nov 8, 1989

The Doctor and his friends come under attack from the Haemavores, allowing Millington to retrieve the flask containing Fenric's essence.

The Curse of Fenric (4)

E11The Curse of Fenric (4)

25m6.7

Nov 15, 1989

Fenric is loose and planning to use the Ancient Haemovore to poison the Earth with chemicals, unless the Doctor can defeat him in their centuries old game.

Survival (1)

E12Survival (1)

25m7.0

Nov 22, 1989

Perivale, England, the late 1980s. People are vanishing into thin air under the baleful stare of a very strange cat. The Doctor and Ace learn that, in the battle for survival, success can carry a terrible price...

Survival (2)

E13Survival (2)

25m6.5

Nov 29, 1989

The Doctor and Paterson manage to escape from the Master and join up with Ace and her friends, where the Doctor tries to find a way to get them all off the planet before it explodes.

Survival (3)

E14Survival (3)

25m6.3

Dec 6, 1989

Ace manages to transport the Doctor and the others back to Perivale but the Master is also there, preparing for a final showdown with the Doctor.

Storyline

The adventures of The Doctor, a time-traveling humanoid alien known as a Time Lord. He explores the universe in his TARDIS, a sentient time-traveling spaceship. Its exterior appears as a blue British police box, which was a common sight in Britain in 1963 when the series first aired. Along with a succession of companions, The Doctor faces a variety of foes while working to save civilizations, help ordinary people, and right many wrongs.

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