Space: 1999 - Season 1 - Eps 5: Death's Other Dominion
On a frozen planet, the Alphans encounter shipwrecked humans from a lost expedition. The expatriates from Earth enjoy an idyllic existence: they have been made immortal and have lived there for over 880 years. They invite the Alphans to join them in paradise, but dissidents reveal all is not at it seems, teaching Koenig that immortality comes with a price.
About Space: 1999

Title: Space: 1999
First Air Date: 1975-09-04
Last Air Date: 1977-11-12
Status: Ended
Rating: 7.075/10 (from 134 votes)
Language: EN
Seasons: 3
Total Episodes: 48
Network: ITV1
Genres: Sci-Fi & Fantasy
Production Companies: Group 3, RAI, ITC Entertainment, RAI Cinema
Synopsis
The crew of Moonbase Alpha must struggle to survive when a massive explosion throws the Moon from orbit into deep space.
Cast

Martin Landau
John Koenig

Barbara Bain
Helena Russell

Catherine Schell
Maya

Tony Anholt
Tony Verdeschi