

Duck Quacks Don't Echo
Lee Mack wrangles a team of scientists and celebrity guests to find the truth behind the trivia on this bizarrely educational panel show.
Cast

Lee Mack
Himself - Host
Seasons

E1Episode 1
Feb 7, 2014
Comedian Lee Mack is joined by Dara O'Briain, Melanie Chisholm and Ruth Jones for a riotous panel show that test-runs the world's most startling facts.

E2Episode 2
Feb 14, 2014
More fun facts are pulled out the bag as actress Olivia Colman, funnyman Rhod Gilbert and the Great British Bake Off's Paul Hollywood stop by the studio.

E3Episode 3
Feb 21, 2014
sh Bake Off presenter Sue Perkins, comedian Bob Mortimer and former JLS singer Aston Merrygold.

E4Episode 4
Feb 28, 2014
Lee Mack hosts as Miranda Hart, Stephen Graham and Richard Ayoade trade trivia titbits involving pigeons and breath-based gender tests.

E5Episode 5
Mar 7, 2014
Sneezing, sweating, household hovercrafts... Lee Mack covers all the bases with his latest guests, Sanjeev Bhaskar, Kathy Burke and John Hannah.

E6Episode 6
Mar 14, 2014
Stock up on weird and wonderful nuggets of knowledge courtesy of Lee Mack and guests Ricky Tomlinson, Jon Richardson and Sara Cox.

E7Episode 7
Mar 21, 2014
Jimmy Carr, Sir Terry Wogan and Carol Vorderman join Lee Mack for the final episode of the series of the fact-filled panel show.

E8Extra - Unseen Bits and Highlights
Mar 28, 2014
A selection of previously unseen bits and highlights from the series in which Lee Mack tested random bits of trivia with a selection of guests.

E1Episode 1
Sep 1, 2014
Lee Mack returns for a second series of the playful panel show and is joined by Got to Dance's Davina McCall, comedian Paddy McGuinness and actor Stephen Mangan.

E2Episode 2
Sep 8, 2014
Next to share their pearls of wisdom with host Lee Mack are TV presenter Holly Willoughby, comedian Dara O Briain and actor Hugh Dennis.

E3Episode 3
Sep 15, 2014
A League of Their Own's Freddie Flintoff, presenter Mel Giedroyc and comedian Johnny Vegas are the latest guests to join in the fact-sharing fun. Lee Mack hosts.

E4Episode 4
Sep 22, 2014
Join presenter Denise Van Outen, comedian Jason Manford and small-screen fave Richard Madeley as they share their nuggets of knowledge with host Lee Mack.

E5Episode 5
Sep 29, 2014
Dancing custard, colour-blind bulls, the power of Velcro... Lee Mack and guests Chris Packham, Kimberley Walsh and Jimmy Carr share more general knowledge gems.

E6Episode 6
Oct 6, 2014
Lee Mack sees out the second series of his hit panel show with the help of TV presenter Chris Tarrant, Got to Dance judge Kimberly Wyatt and comic Robert Webb.

E7Extra - Unseen Bits and Highlights
Oct 13, 2014
Relive the most memorable moments from Series 2 of the riotous panel show.
E1Jerry Springer, Emma Bunton, Jason Byrne
Aug 31, 2015
The fact-busting comedy panel series hosted by Lee Mack returns as Jerry Springer, Emma Bunton and Jason Byrne put further fascinating titbits to the test.
E2Jonathan Ross, Dara O Briain, Alex Jones
Sep 7, 2015
Jonathan Ross, Dara O Briain and Alex Jones attempt to out-fact each other as startling theories are put to the test in Lee Mack's riotous panel show.
E3Jimmy Carr, Ricky Wilson, Jameela Jamil
Sep 14, 2015
Lee Mack welcomes comedian Jimmy Carr, The Kaiser Chiefs' Ricky Wilson and TV presenter Jameela Jamil to join his fun and fact-filled panel show.
E4Sarah Millican, Sir Ranulph Fiennes, Russell Kane
Sep 21, 2015
More fun facts are put to the test as Lee Mack welcomes comedy queen Sarah Millican, explorer Sir Ranulph Fiennes and comedian Russell Kane to the studio.
E5Heston Blumenthal, Bob Mortimer, Aisling Bea
Sep 28, 2015
Comedy panel game in which host Lee Mack and his guests Heston Blumenthal, Bob Mortimer and Aisling Bea attempt to find the answers to all manner of questions, from random trivia to the downright daft
E6John Humphrys, Ed Byrne, Katherine Parkinson
Oct 5, 2015
Radio 4 presenter John Humphrys, stand-up comedian Ed Byrne and The IT Crowd star Katherine Parkinson all join host Lee Mack on the panel show, attempting to find the answers to all manner of questions, from random trivia to the downright daft
E7Stephen Mangan, Sue Perkins, Romesh Ranganathan
Oct 12, 2015
Episodes star Stephen Mangan, Great British Bake Off co-host Sue Perkins and comedian Romesh Ranganathan join host Lee Mack on the panel show, attempting to find the answers to all manner of questions, from random trivia to the downright daft.
E8Extra - Unseen Bits and Highlights
Oct 26, 2015
Relive the most memorable moments from series three of the riotous panel show hosted by Lee Mack.
E1Dara O'Briain, Davina McCall, Jessica Hynes
Apr 3, 2016
Lee Mack returns with a new series of his hit panel show. First to sort their facts from their fiction are Dara O Briain, Davina McCall and Jessica Hynes.
E2Sara Cox, Gregg Wallace, Rhod Gilbert
Apr 10, 2016
Lee Mack hosts the comedy panel game in which guests Sara Cox, Gregg Wallace and Rhod Gilbert reveal their favourite fact and try to find out if it is scientifically accurate.
E3Warwick Davis, Josh Widdicombe, Lorraine Kelly
Apr 17, 2016
Warwick Davis, Josh Widdicombe and Lorraine Kelly are next to put the world's most startling facts to the test as Lee Mack's riotous panel show continues.
E4Katherine Ryan, Hugh Dennis, Amir Khan
Apr 24, 2016
Lee Mack hosts the comedy panel game, with guests Katherine Ryan, Hugh Dennis and Amir Khan revealing their favourite fact and trying to find out if it is scientifically accurate.
E5Len Goodman, Jimmy Carr, Gabby Logan
May 1, 2016
Lee Mack hosts the comedy panel game, with guests Len Goodman, Jimmy Carr and Gabby Logan revealing their favourite facts and trying to find out if they are scientifically accurate.
E6Bob Mortimer, Alex Brooker, Claudia Winkleman
May 8, 2016
Lee Mack hosts the comedy panel game, with comedian Bob Mortimer, The Last Leg's Alex Brooker and Strictly Come Dancing host Claudia Winkleman revealing their favourite facts and trying to find if they are scientifically accurate.
E7Catherine Tate, Richard Osman, Kate Humble
May 15, 2016
Lee Mack hosts the comedy panel game, with actress Catherine Tate, Pointless co-host Richard Osman and Wild Things presenter Kate Humble revealing their favourite facts and trying to find if they are scientifically accurate.
E8Best of Season 4
May 22, 2016
A look back at the highlights of the fourth series of the comedy panel show that tests the validity of a range of weird and wonderful facts. Hosted by Lee Mack.

E1Ross Kemp, Bob Mortimer, Sara Cox
Aug 30, 2016
The fact-busting comedy panel series is back as Lee Mack is joined by Ross Kemp, Bob Mortimer and Sara Cox to put a host of fascinating titbits to the test.

E2Rhod Gilbert, Ruth Jones, Richard Madeley
Sep 6, 2016
Lee Mack is joined by Rhod Gilbert, Ruth Jones and Richard Madeley to test-run random bits of trivia and some of the world's most startling facts.

E3Claudia Winkleman, Johnny Vegas, Joe Lycett
Sep 13, 2016
Claudia Winkleman, Johnny Vegas and Joe Lycett join Lee Mack to put a host of fascinating facts and trivial titbits to the test.
E4Jason Byrne, Danny Dyer, Meera Syal
Sep 20, 2016
Jason Byrne, Danny Dyer and Meera Syal join host Lee Mack to put more fascinating theories to the test.
E5Danny Baker, Roisin Conaty, Jack Dee
Sep 27, 2016
E6Jo Brand, Philip Glenister, Josh Widdercombe
Oct 4, 2016
E7Paul Hollywood, Gabby Logan, Hal Cruttenden
Oct 11, 2016
E8Extra - Unseen Bits and Highlights
Oct 18, 2016
E1Martin Clunes, Jimmy Carr, Aisling Bea
Aug 31, 2017
Is our skin crawling with mites? Do we think we're better looking than we actually are? And do we enjoy movies more if someone spoils the ending? Martin Clunes, Jimmy Carr and Aisling Bea bid to find out.
E2Rob Brydon, Emma Bunton, Carol Vorderman
Sep 7, 2017
E3Noel Fielding, Roisin Conaty, Jason Manford
Sep 14, 2017
Pull up a chair as host Lee Mack, The Great British Bake Off's Noel Fielding and comedians Roisin Conaty and Jason Manford go to any lengths to test wacky facts.
E4Alex Jones, Jason Byrne, Harry Enfield
Sep 21, 2017
E5Sir Trevor McDonald, Katherine Ryan, David Mitchell
Sep 28, 2017
E6Danny Baker, Alesha Dixon, Jon Richardson
Oct 5, 2017
E7Melanie C, Victoria Coren Mitchell, Rob Beckett
Oct 12, 2017
E8Best Of
Oct 19, 2017
Storyline
Lee Mack wrangles a team of scientists and celebrity guests to find the truth behind the trivia on this bizarrely educational panel show.
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