Doctor Doctor Who Guide
Last updated 31 May 2015


Episode Two

Episode Two

Series Episode Number: 229

World Premiere: Sat 4 Jan 1969 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 25 Sep 2014 - 8:30pm EDT [Retro TV]
Running Time: 23 minutes 3 seconds

8.40 Million (UK)

Appreciation Index: 57 (UK)

Chart Position: 54 () (UK)

Recorded on Fri 29 Nov 1968 in Lime Grove D
Archive State: 16mm t/r



Zoe and the Doctor submit themselves to the Krotons' IQ tests and are selected to enter the Dynatrope, the Krotons' ship. There they watch as the crystalline Krotons are brought back to life.

The episode cliffhanger sees Jamie reeling under the Krotons' mind device.


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)
LightingHoward T. King (uncredited)
SoundJohn Holmes (uncredited)
CostumesBobi Bartlett (uncredited)
Make-upSylvia James (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 SupervisorReg Lewis (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)