Last updated 24 March 2024


Part Four

Series Episode Number: 612

World Premiere: Fri 3 Feb 1984 - 6:41pm GMT [BBC One] (United Kingdom)
First Broadcast: Thu 14 May 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 26 seconds

5.60 Million (UK)

Appreciation Index: 65 (UK)

Chart Position: 112 () (UK)




The Doctor manipulates the Gravis into restoring the TARDIS. But he must find a way to break the Tractators' hold over Frontios before they wipe out all life on the surface.


Production Team hide uncredited
WriterChristopher H Bidmead
DirectorRon Jones
ProducerJohn Nathan-Turner
DesignerDavid Buckingham
Script EditorEric Saward
Title SequenceSid Sutton
Costume DesignerAnushia Nieradzik
Make-up DesignerJill Hagger
LightingJohn Summers
SoundMartin Ridout
Vision MixerPaul Wheeler
Videotape EditorHugh Parson
Technical ManagerAlan Arbuthnott
Camera SupervisorAlec Wheal
Visual Effects DesignerDave Havard
Video EffectsDave Chapman
Production ManagerAlex Gohar
Production AssociateJune Collins
Production AssistantValerie Letley
Assistant Floor ManagerJoanna Guritz
Incidental MusicPaddy Kingsland
Special SoundDick Mills
Special Sound BBC Radiophonic Workshop
Assistant Floor ManagerEd Stevenson (uncredited)
Grams OperatorGordon Phillipson (uncredited)
Senior Studio EngineerJohn Billett (uncredited)
Senior Studio EngineerRon Frith (uncredited)
Senior Studio EngineerJohn Mersh (uncredited)
Floor AssistantBrenda Thomas (uncredited)
Show Working SupervisorRay Davis (uncredited)
Lighting ChargehandTerry Smith (uncredited)
Visual Effects AssistantPerry Brahan (uncredited)
Props BuyerRobert Fleming (uncredited)
Design AssistantMaggie Carroll (uncredited)
Design AssistantMatthew Lorrimer (uncredited)
Make-Up AssistantDamelza Rogers (uncredited)
Make-Up AssistantSusan Kirkham (uncredited)
Make-Up AssistantHelen Johnson (uncredited)
DresserFrances Miles (uncredited)
DresserSue Clayton (uncredited)
DresserDerek Sumner (uncredited)
DresserPhilip Winter (uncredited)
Production SecretarySarah Lee (uncredited)
Title MusicRon Grainer (uncredited)
Title Music ArrangerPeter Howell (uncredited)