Space: 1999
Season 2 Episode 23 - The Immunity Syndrome
The arrival of the Alphans on another planet seems to cause a change in its atmosphere, setting off pollution and poisoning of the water. They meet Zoran, the sole survivor of the last exploratory force, who tells them that the planet is controlled by an immortal being - with whom Koenig must parley if he and his crew are to leave the planet alive.
Episodes in Season 2
The Metamorph
51 min
The Exiles
51 min
Journey to Where
51 min
One Moment of Humanity
51 min
Brian the Brain
51 min
New Adam New Eve
51 min
The Mark of Archanon
51 min
The Rules of Luton
51 min
All That Glisters
51 min
The Taybor
51 min
Seed of Destruction
52 min
The AB Chrysalis
51 min
Catacombs of the Moon
51 min
Space Warp
52 min
A Matter of Balance
51 min
The Beta Cloud
51 min
The Lambda Factor
51 min
The Bringers of Wonder (1)
51 min
The Bringers of Wonder (2)
51 min
The Seance Spectre
51 min
Dorzak
51 min
Devil's Planet
51 min
The Immunity Syndrome
51 min
The Dorcons
51 min