Last updated 24 March 2024


Part Four

Series Episode Number: 661

World Premiere: Mon 26 Oct 1987 - 7:35pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 23 Jun 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 21 seconds

5.00 Million (UK)

Appreciation Index: 57 (UK)

Chart Position: 93 () (UK)

Recorded on Thu 18 Jun 1987 in Television Centre 1



Kroagnon has been reborn and is using the Chief Caretaker's reanimated corpse to move around Paradise Towers. To stop him the Doctor must teach the residents teamwork.


Production Team include uncredited
WriterStephen Wyatt
DirectorNicholas Mallett
ProducerJohn Nathan-Turner
DesignerMartin Collins
Script EditorAndrew Cartmel
Graphic DesignerOliver Elmes
Costume DesignerJanet Tharby
Make-up DesignerShaunna Harrison
Studio LightingHenry Barber
Studio SoundBrian Clark
Technical CoordinatorRichard Wilson
Studio Camera SupervisorAlec Wheal
Videotape EditorHugh Parson
Visual Effects DesignerSimon Taylor
Video EffectsDave Chapman
Vision MixerShirley Coward
OB LightingIan Dow
OB SoundDoug Whittaker
OB CameramanDavid Hunter
OB CameramanAlisdair Mitchell
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
Stunt coordinatorRoy Scammell