Horizon is a mysterious planet which neither Zen nor Orac can shed any light on. After teleporting down the crew are captured by Federation guards. Avon considers leaving the planet by himself with the Liberator.
Elenco:
Michael Keating
,
Paul Darrow
,
Peter Tuddenham
,
Jan Chappell
,
Josette Simon
,
Sally Knyvette
,
Gareth Thomas
,
Steven Pacey
,
David Jackson
,
Glynis Barber
.
