Last updated 23 March 2024


Part Four

Series Episode Number: 685

World Premiere: Wed 27 Sep 1989 - 7:34pm BST [BBC One] (United Kingdom)
First Broadcast: Tue 7 Jul 2015 - 10:30pm EDT [Retro TV]
Running Time: 24 minutes 14 seconds

4.00 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 89 () (UK)

Recorded on Thu 01 Jun 1989 in Television Centre 3



The Brigadier slays the Destroyer while Morgaine takes control of UNIT's nuclear warhead and prepares to start a countdown that will destroy Earth forever.


Production Team include uncredited
WriterBen Aaronovitch
DirectorMichael Kerrigan
ProducerJohn Nathan-Turner
DesignerMartin Collins
Script EditorAndrew Cartmel
Production Unit ManagerJune Collins
Costume DesignerAnushia Nieradzik
Make-up DesignerJuliette Mayer
Studio LightingDavid Lock
Studio SoundScott Talbott
Technical CoordinatorRichard Wilson
Camera SupervisorGeoff Clark
Videotape EditorHugh Parson
Props BuyerSara Richardson
Visual Effects DesignerDave Bezkorowajny
Video EffectsDave Chapman
Vision MixerDiana Long
Graphic DesignerOliver Elmes
OB LightingIan Dow
Technical Manager(TM2)Brian Jones
OB SoundMartin Broadfoot
OB CamermanPaul Harding
OB CamermanAlan Jessop
Production ManagerRiitta Lynn
Production AssistantRosemary Parsons
Assistant Floor ManagerMatthew Purves
Assistant Floor ManagerJulian Herne
Title MusicRon Grainer
Incidental MusicKeff McCulloch
Special SoundDick Mills
Stunt coordinatorAlf Joint