Doctor Doctor Who Guide
Last updated 31 May 2015


Part Four

Part Four

Series Episode Number: 521

World Premiere: Sat 15 Dec 1979 - 5:56pm GMT [BBC One] (United Kingdom)
First Broadcast: Fri 5 Oct 2001 - 10:30pm CDT [Prairie Public Television]
Running Time: 24 minutes 31 seconds

9.40 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 32 () (UK)

Recorded on Tue 28 Aug 1979 in Television Centre 6



The Doctor solves the mystery of the drug smuggling racket and the culprits are revealed. But unless the Doctor and Romana act quickly, the villains will escape justice.


Production Team hide uncredited
WriterBob Baker
DirectorAlan Bromly
DirectorGraham Williams (uncredited)
ProducerGraham Williams
DesignerRoger Cann
Script EditorDouglas Adams
Costume DesignerRupert Jarvis
Make-up ArtistJoan Stribling
Visual Effects DesignerColin Mapson
Video EffectsA J Mitchell
Vision MixerNigel Finnis
Videotape EditorRod Waldron
Studio LightingWarwick Fielding
Studio SoundAnthony Philpott
Technical ManagerTerry Brett
Senior CameramanPeter Hider
Production AssistantCarolyn Montagu
Production Unit ManagerJohn Nathan-Turner
Director's AssistantMonica Rodger
Assistant Floor ManagerVal McCrimmon
Incidental MusicDudley Simpson
Special SoundDick Mills
Floor AssistantAlison Barnett (uncredited)
Grams OperatorAndrew Hunter (uncredited)
Make-Up AssistantSinikka Ikacheimo (uncredited)
Design AssistantCarol Smith (uncredited)
Prop BuyerRobert Fleming (uncredited)
Show Working SupervisorChick Hetherington (uncredited)
K9 OperatorSteve Cambden (uncredited)
Title MusicRon Grainer (uncredited)
Title Music BBC Radiophonic Workshop (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)