Last updated 24 March 2024


Part One

Series Episode Number: 592

World Premiere: Tue 15 Feb 1983 - 6:54pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 4 Dec 1984 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 58 seconds

6.80 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 86 () (UK)




Turlough sabotages the TARDIS causing it to fuse with the space station Terminus. Trying to separate the two, the Doctor encounters a couple of space pirates.

Characters hide uncredited
The DoctorPeter Davison
NyssaSarah Sutton
TeganJanet Fielding
TurloughMark Strickson
KariLiza Goddard
OlvirDominic Guard
Black GuardianValentine Dyall
IngaRachel Weaver
Tannoy VoiceMartin Muncaster
LazarAllen Hall (uncredited)
LazarAnita Jayne (uncredited)
LazarAnnet Peters (uncredited)
LazarBarbara Russell (uncredited)
LazarChris Bradshaw (uncredited)
LazarDavid Ballard (uncredited)
LazarDavid Bulbeck (uncredited)
LazarDebbi Lloyd (uncredited)
LazarGill Goldston (uncredited)
LazarJohnny Clayton (uncredited)
LazarLionel Sensby (uncredited)
LazarMartin Grant (uncredited)
LazarMair Coleman (uncredited)
LazarMykel Mills (uncredited)
LazarNick Joseph (uncredited)
LazarNorman Warren (uncredited)
LazarOlwyn Atkinson (uncredited)
LazarPat Pelton (uncredited)
LazarRay Martin (uncredited)
LazarRebecca Semark (uncredited)
LazarRosemary Banks (uncredited)
LazarSusan Dady (uncredited)
Production Teamhide uncredited
WriterStephen Gallagher
DirectorMary Ridge
ProducerJohn Nathan-Turner
DesignerDick Coles
Script EditorEric Saward
Title SequenceSid Sutton
Costume DesignerDee Robson
Makeup ArtistJoan Stribling
LightingSam Barclay
SoundScott Talbott
Vision MixerCarol Johnson
Videotape EditorRod Waldron
Technical Manager (TM2)Jeff Jeffery
Senior CameramanAlec Wheal
Visual Effects DesignerPeter Pegrum
Video EffectsDave Chapman
Production ManagerSteve Goldie
Production AssociateJune Collins
Production AssistantRena Butterwick
Assistant Floor ManagerPolly Davidson
Incidental MusicRoger Limb
Special SoundDick Mills
Special Sound BBC Radiophonic Workshop
Film CameramanRemi Adefarasin (uncredited)
Film SoundGraham Hare (uncredited)
Film EditorFrances Parker (uncredited)
Title MusicRon Grainer (uncredited)
Title Music ArrangerPeter Howell (uncredited)
Nyssa created byJohnny Byrne (uncredited)
Visual Effects AssistantMike Ellis (uncredited)