Space: 1999 - Season 2 - Eps 15: A Matter of Balance
Several crew members explore the planet Sunin, including botanist Shermeen Williams, who appears to have visionary gifts. She links up with an alien, called Vindrus, who wants her help in transferring his body and that of his race, into solid matter, giving them proper human form so that they can join the universe as real matter. However, for every one of his race made flesh, an Alphan must lose their matter.
About Space: 1999

Title: Space: 1999
First Air Date: 1975-09-04
Last Air Date: 1977-11-12
Status: Ended
Rating: 7.1/10 (from 140 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