Space: 1999 - Full Series Information, Trailer & IMDb Reviews
Watch Space: 1999 Season 2 Episode 24 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
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.