Invaders from the Fifth Dimension
S01E08 - Airdate: 1965-11-03
Runtime: 60 min
Macabre aliens -- quite literally talking heads -- need a humanoid brain to replace a worn out computer in their spaceship. They capture Smith, but quickly realize that his brain is unsatisfactory. The aliens release Smith so that he can bring them somebody more suitable: "a small Robinson."
Back to Irwin Allen's Lost in Space
Episode details and rating from TVmaze.