Episode 21— Space Brain
Aired January 29, 1976 · 52 min

Synopsis
An Eagle crew is killed when they encounter a massive energy field in space. One Alpha astronaut becomes possessed and reveals the field is a sentient "space brain" that reacts to threats with defensive antibodies. The Alphans discover the Moon is heading toward the Brain and begin planning to avoid a similar fate.
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Cast & Crew
Appearing in this episode.
19 unique people credited
Top billed cast
Martin Landau
as Commander John Koenig
Barbara Bain
as Dr. Helena Russell
Barry Morse
as Professor Victor Bergman
Shane Rimmer
as James Kelly
Carla Romanelli
as Melita Kelly
Prentis Hancock
as Paul Morrow
Clifton Jones
as David Kano
Zienia Merton
as Sandra Benes
Anton Phillips
as Dr. Bob Mathias
Nick Tate
as Alan Carter
Directors
1Writers
3Producers
1Other crew
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