Last updated 24 March 2024


Part Two

Series Episode Number: 399

World Premiere: Sat 26 Apr 1975 - 5:30pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 20 Mar 1980 - 5:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 24 seconds

8.30 Million (UK)


Chart Position: 28 () (UK)

Recorded on Tue 03 Dec 1974 in TC1



Sarah is the latest victim of the 'space plague'. But the poison can be removed from her body by transmatting her to the surface of the mysterious planetoid, Voga…


Production Team hide uncredited
WriterGerry Davis
DirectorMichael E Briant
ProducerPhilip Hinchcliffe
DesignerRoger Murray-Leach
Script EditorRobert Holmes
Film CameramanElmer Cossey
Film SoundJohn Gatland
Film EditorSheila S Tomlinson
Studio LightingDerek Slee
Studio SoundNorman Bennett
Costume DesignerPrue Handley
Make-upCecile Hay-Arthur
Visual Effects DesignerJim Ward
Incidental MusicCarey Blyton
Special SoundDick Mills
Title MusicRon Grainer
and BBC Radiophonic Workshop
Title SequenceBernard Lodge
Production Unit ManagerGeorge Gallaccio
Production AssistantJohn Bradburn
Assistant Floor ManagerRosemary Hester (uncredited)
Assistant Floor ManagerRuss Karel (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Floor AssistantSteve Haggard (uncredited)
Vision MixerNick Lake (uncredited)
Technical ManagerJohn Farr (uncredited)
Senior CameramanPeter Granger (uncredited)
Grams OperatorPaul Graydon (uncredited)
Inlay OperatorDave Jervis (uncredited)
Assistant Film CameramanJohn Harper (uncredited)
Assistant Film Sound RecordistBruce Galloway (uncredited)
Film LightingSid Morris (uncredited)
Film OperativeStan Cresswell (uncredited)
Film OperativeDon Mattinson (uncredited)
Make-Up AssistantJan Spoczynski (uncredited)
Director's AssistantSue Mansfield (uncredited)
Incidental MusicPeter Howell (uncredited)