Space: 1999 - Full Series Information, Trailer & IMDb Reviews
Watch Space: 1999 Season 2 Episode 24 online. Maybe available on Youtube, Netflix, PrimeVideo, Hulu, Disney and other legal streaming platforms.
Space: 1999: The Dorcons are a race of conquerors who can live forever by transplantation of a Psychon brain stem. Maya, the last known Psychon, is traced to Moonbase Alpha by the Dorcons, who threaten the Alphans with destruction unless Maya is handed over.