Last updated 24 March 2024


Part Four

Series Episode Number: 643

World Premiere: Sat 27 Sep 1986 - 5:46pm BST [BBC One] (United Kingdom)
First Broadcast: Wed 10 Jun 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 20 seconds

3.70 Million (UK)

Appreciation Index: 72 (UK)

Chart Position: 97 () (UK)

Recorded on Sun 11 May 1986 in Television Centre 3



The Doctor is foxed by Drathro's logic so it takes Glitz's blunt lies to buy them some time until Ravolox can be saved. Meanwhile the Tribe make a foolhardly attack on Marb Arch.


Production Team hide uncredited
WriterRobert Holmes
DirectorNicholas Mallett
ProducerJohn Nathan-Turner
DesignerJohn Anderson
Script EditorEric Saward
Title SequenceSid Sutton
Costume DesignerKen Trew
Make-up DesignerDenise Baron
Studio LightingMike Jefferies
Studio SoundBrian Clark
Vision MixerJim Stephens
Videotape EditorStephen Newnham
Technical CoordinatorAlan Arbuthnott
Studio Camera SupervisorAlec Wheal
Visual Effects DesignerMike Kelt
Video EffectsDanny Popkin
Production ManagerClare Graham
Production AssociateAngela Smith
Production AssistantJoy Sinclair
Assistant Floor ManagerStephen Jeffery-Poulter
Title MusicRon Grainer
Incidental MusicDominic Glynn
Special SoundDick Mills
Title Music ArrangerDominic Glynn (uncredited)
Title SequenceTerry Handley (uncredited)
Floor AssistantYvonne O'Grady (uncredited)
Props BuyerPaul Schrader (uncredited)
Studio EngineerDan Shaw (uncredited)
Visual Effects AssistantMike Ellis (uncredited)