On the flight deck of the Liberator, Gan suddenly attacks Jenna, and, after nearly killing the entire rest of the crew, it is discovered in a medical scan that Gan’s limiter is malfunctioning and sending vicious, murderous impulses to his mind. If Gan doesn’t receive treatment in 72 hours, he could die, so Blake has Zen list all the locations where he could receive proper medical attention. Avon points out space station XK-72, a neutral scientific research station that Liberator would have to cross what Zen calls a “forbidden area of space” to reach. Avon overrides Zen and Jenna pilots the ship through that area, finding a black hole-like gravity vortex that the Liberator almost doesn’t survive. Once at XK-72, Gan is treated by Dr. Kayn – but not before Kayn alerts the Federation to Blake’s presence.
written by Terry Nation
directed by Vere Lorrimer
music by Dudley Simpson
Cast: Gareth Thomas (Blake), Sally Knyvette (Jenna), Paul Darrow (Avon), Jan Chappell (Cally), Michael Keating (Vila), David Jackson (Gan), Peter Tuddenham (Zen), Julian Glover (Kayn), Ian Thompson (Farren), Christian Roberts (Renor)
LogBook entry by Earl Green