Last updated 24 March 2024


Part Three

Series Episode Number: 660

World Premiere: Mon 19 Oct 1987 - 7:36pm BST [BBC One] (United Kingdom)
First Broadcast: Tue 23 Jun 2015 - 8:00pm EDT [Retro TV]
Running Time: 24 minutes 30 seconds

5.00 Million (UK)

Appreciation Index: 58 (UK)

Chart Position: 79 () (UK)

Recorded on Wed 17 Jun 1987 in Television Centre 1



Mel and Pex play cat and mouse with the lethal cleaner robots while the Doctor and the surviving Kangs learn all about Kroagnon the Great Architect.


Production Team hide uncredited
WriterStephen Wyatt
DirectorNicholas Mallett
ProducerJohn Nathan-Turner
DesignerMartin Collins
Script EditorAndrew Cartmel
Graphic DesignerOliver Elmes
Costume DesignerJanet Tharby
Make-up DesignerShaunna Harrison
Lighting DirectorHenry Barber
SoundBrian Clark
Vision MixerShirley Coward
Videotape EditorHugh Parson
Technical CoordinatorRichard Wilson
Studio Camera SupervisorAlec Wheal
Visual Effects DesignerSimon Taylor
Video EffectsDave Chapman
Production ManagerIan Fraser
Production AssociateAnn Faggetter
Production AssistantFrances Graham
Assistant Floor ManagerVal McCrimmon
Title MusicRon Grainer
Title Music ArrangerKeff McCulloch
Incidental MusicKeff McCulloch
Special SoundDick Mills
OB LightingIan Dow (uncredited)
OB SoundDoug Whittaker (uncredited)
Stunt coordinatorRoy Scammell
OB CameramanDavid Hunter (uncredited)
OB CameramanAlisdair Mitchell (uncredited)
Visual Effects AssistantMark Collcutt (uncredited)
Floor AssistantJane Litherland (uncredited)
Costume AssistantCharlotte Palmer (uncredited)
Design AssistantPhilip Harvey (uncredited)
Production SecretaryKate Esteal (uncredited)
DresserBelinda Peters (uncredited)
DresserLena Hansen (uncredited)
DresserLisa Pembroke (uncredited)
DresserTom Reeve (uncredited)
DresserLeslie Bingham (uncredited)
DresserLiz Scammell (uncredited)
DresserBob Springett (uncredited)
Make-Up AssistantSharon Walsh (uncredited)
Make-Up AssistantWendy Holmes (uncredited)
Props BuyerBob Sutton (uncredited)
Props BuyerSteve Dolphin (uncredited)
Studio EngineerDan Shaw (uncredited)
Studio EngineerPeter Brown (uncredited)
Grams OperatorMike Weaver (uncredited)
Lighting ChargehandDerrick Perry (uncredited)
Lighting ChargehandLen Hunt (uncredited)
Lighting ChargehandGeoff Allen (uncredited)
Production OperativeStan Cresswell (uncredited)
Production OperativeBarry Du Pile (uncredited)
Production OperativeDave Rogers (uncredited)
Computer Animation CAL Video (uncredited)
Production Operative SupervisorLes Runham (uncredited)
OB Sound AssistantPeter Hales (uncredited)
OB Sound AssistantDave Roll (uncredited)
OB Vision SupervisorBarry Milne (uncredited)
OB Videotape EngineerDave Lees (uncredited)
Racks EngineerDavid Taylor (uncredited)
Racks EngineerDave Packham (uncredited)
Rigger SupervisorMick Keates (uncredited)
Rigger DriverJohn Cowling (uncredited)
Rigger DriverRon Bentley (uncredited)