Last updated 24 March 2024


Episode Three

Series Episode Number: 230

World Premiere: Sat 11 Jan 1969 - 5:16pm BST [BBC One] (United Kingdom)
First Broadcast: Fri 26 Sep 2014 - 8:00pm EDT [Retro TV]
Running Time: 21 minutes 41 seconds

7.50 Million (UK)

Appreciation Index: 56 (UK)

Chart Position: 61 () (UK)

Recorded on Fri 06 Dec 1968 in Lime Grove D
Archive State: 16mm t/r



The Doctor and Zoe are pursued by a Kroton as they attempt to return to the TARDIS. The Gonds prepare to destroy the Krotons' ship, but Jamie is still held prisoner inside.

The cliffhanger sees everyone get buried under rubble underneath the Dynatrope as it shifts position.


Production Team hide uncredited
WriterRobert Holmes
DirectorDavid Maloney
ProducerPeter Bryant
DesignerRaymond London
Script EditorTerrance Dicks
Film CameramanAlan Jonas (uncredited)
Film SoundRon Blight (uncredited)
Film EditorMartyn Day (uncredited)
CostumesBobi Bartlett (uncredited)
Make-upSylvia James (uncredited)
LightingHoward T. King (uncredited)
SoundJohn Holmes (uncredited)
Special Effects designed byBill King (Trading Post) (uncredited)
Special SoundBrian Hodgson (uncredited)
Special Sound BBC Radiophonic Workshop (uncredited)
Title MusicRon Grainer
and the BBC Radiophonic Workshop
Assistant Floor ManagerDavid Tilley (uncredited)
Production AssistantEdwina Verner (uncredited)
Title Music ArrangerDelia Derbyshire (uncredited)
Title SequenceBernard Lodge (uncredited)
AssistantRaquel E. Ebbutt (uncredited)
Grams OperatorRon Arnett (uncredited)
Technical Manager(TM2)Fred Wright (uncredited)
Floor AssistantMaurice Gallagher (uncredited)
Vision MixerDavid Langford (uncredited)
Scene SupervisorBrian Davis (uncredited)
BookerBarbara Buchanan (uncredited)
Design AssistantJane Anderson (uncredited)
PropsJoe Hughes (uncredited)
PropsSheila Bray (uncredited)
GraphicsDon Shaw (uncredited)
GraphicsPeter Netley (uncredited)
Film Camera AssistantJohn Walker (uncredited)
Film Sound AssistantIan Morton (uncredited)