Last updated 24 March 2024


Part Four

Series Episode Number: 618

World Premiere: Fri 2 Mar 1984 - 6:41pm GMT [BBC One] (United Kingdom)
First Broadcast: Wed 20 May 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 44 seconds

7.00 Million (UK)


Chart Position: 74 () (UK)




The Doctor is forced to take drastic measures against Kamelion and the Master to stop Sarn being completely destroyed by the numismaton gas that has been released...


Production Team hide uncredited
WriterPeter Grimwade
DirectorFiona Cumming
ProducerJohn Nathan-Turner
DesignerMalcolm Thornton
Script EditorEric Saward
Title SequenceSid Sutton
Costume DesignerJohn Peacock
Make-up DesignerElizabeth Rowell
Lighting DirectorJohn Summers
SoundScott Talbott
Technical CoordinatorAlan Arbuthnott
Camera SupervisorAlec Wheal
Camera SupervisorGeoff Clark
Videotape EditorHugh Parson
Visual Effects DesignerChris Lawson
Video EffectsDave Chapman
Vision MixerDiana Long
Film CameramanJohn Walker
Film SoundJohn Tellick
Film EditorAlastair Mitchell
Production ManagerCorinne Hollingworth
Production AssociateJune Collins
Production AssistantClaire Hughes Smith
Assistant Floor ManagerRobert Evans
Title MusicRon Grainer
Incidental MusicPeter Howell
Special SoundDick Mills
Special Sound BBC Radiophonic Workshop
Production ManagerChristina McMillan (uncredited)
Senior Studio EngineerBill Waugh (uncredited)
Senior Studio EngineerJim Kernick (uncredited)
Senior Studio EngineerRon Frith (uncredited)
Senior Studio EngineerJohn Billett (uncredited)
Floor AssistantAnna Campbell (uncredited)
Lighting ChargehandDennis Leach (uncredited)
Lighting ChargehandJohn Morin (uncredited)
Show Working SupervisorTed Coates (uncredited)
Kamelion OperatorChris Padmore (uncredited)
Visual Effects AssistantRoger Turner (uncredited)
Props BuyerPaul Woods (uncredited)
Film Camera AssistantTony Bragg (uncredited)
Film Sound AssistantDon Lee (uncredited)
Film LightingJohn Barrott (uncredited)
Film 0perations ManagerGraham Richmond (uncredited)
Film OperationsLaurence Miller (uncredited)
Film OperationsJohn McElroy (uncredited)
GripJohn Phillips (uncredited)
Design AssistantDinah Walker (uncredited)
Make-Up AssistantElizabeth Hardiment (uncredited)
Location liaisonJudy Grimshaw (uncredited)
DresserFrances Miles (uncredited)
DresserRon Simpson (uncredited)
Artist BookingSarah Bird (uncredited)
Production SecretarySarah Lee (uncredited)
Title Music ArrangerPeter Howell (uncredited)