Maya contracts a strange illness that causes her to hallucinate and go on a wild rampage through the corridors of Alpha. Meanwhile, Koenig and Tony's investigation of a derelict spacecraft hits an unexpected bump and the two must concoct a desperate plan if they are ever to see Alpha again.
Elenco: Martin Landau , Barbara Bain , Catherine Schell , Barry Morse , Tony Anholt , Nick Tate , Prentis Hancock , Zienia Merton , Clifton Jones , Anton Phillips .