Last updated 24 March 2024


Part One

Series Episode Number: 633

World Premiere: Sat 16 Feb 1985 - 5:22pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 13 Apr 1986 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 44 minutes 22 seconds

6.60 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 92 () (UK)

Recorded on Thu 30 Aug 1984 in Television Centre 1
BBC Genome Project: see entry



The Second Doctor and Jamie visit space station Camera to speak to the scientist Dastari, but the station has a saboteur aboard - Chessene is working with the Sontarans...


Production Team hide uncredited
WriterRobert Holmes
DirectorPeter Moffatt
ProducerJohn Nathan-Turner
DesignerTony Burrough
Script EditorEric Saward
Title SequenceSid Sutton
Costume DesignerJan Wright
Make-up DesignerCatherine Davies
Lighting DirectorDon Babbage
Studio SoundKeith Bowden
Technical CoordinatorAlan Arbuthnott
Camera SupervisorAlec Wheal
Videotape EditorHugh Parson
Visual Effects DesignerSteven Drewett
Video EffectsDave Chapman
Vision MixerJayne Beckett
Film CameramanJohn Walker
Film SoundColin March
Film EditorMike Rowbotham
Production ManagerGary Downie
Production AssociateSue Anstruther
Production AssistantPatricia O'Leary
Assistant Floor ManagerIlsa Rowe
Title MusicRon Grainer
Incidental MusicPeter Howell
Special SoundDick Mills
Special Sound BBC Radiophonic Workshop
Guitar PlayerLes Thatcher (uncredited)
Title Music ArrangerPeter Howell (uncredited)