Last updated 24 March 2024


Part One

Series Episode Number: 530

World Premiere: Sat 27 Sep 1980 - 6:16pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 22 Nov 1981 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 43 seconds

5.00 Million (UK)

Appreciation Index: 61 (UK)

Chart Position: 105 () (UK)

Recorded on Wed 25 Jun 1980 in Television Centre 6



On Zolfa-Thura, Meglos plans to steal the ancient and powerful Dodecahedron from the neighbouring world of Tigella. But first, the Doctor must be prevented from interfering.


Production Team hide uncredited
WriterJohn Flanagan
WriterAndrew McCulloch
DirectorTerence Dudley
ProducerJohn Nathan-Turner
Executive ProducerBarry Letts
DesignerPhilip Lindley
Script EditorChristopher H Bidmead
Title SequenceSid Sutton
Costume DesignerJune Hudson
Make-up ArtistCecile Hay-Arthur
Studio LightingBert Postlethwaite
Studio SoundJohn Holmes
Technical ManagerBrendan Carr
Senior CameramanAlec Wheal
Videotape EditorIan Williams
Visual Effects DesignerSteven Drewett
Video EffectsDavid Jervis
Vision MixerGraham Giles
Production AssistantMarilyn Gold
Production Unit ManagerAngela Smith
Director's AssistantHermione Stewart
Assistant Floor ManagerVal McCrimmon
Incidental MusicPaddy Kingsland
Special SoundDick Mills
K9 OperatorSteve Cambden (uncredited)
Title MusicRon Grainer (uncredited)
Title Music ArrangerPeter Howell (uncredited)
Floor AssistantAlan Sandbrook (uncredited)
Grams OperatorAndrew Hunter (uncredited)
Show Working SupervisorChick Hetherington (uncredited)
Costume AssistantSarah Leigh (uncredited)
Make-Up AssistantCatherine Whitfield (uncredited)
Make-Up AssistantMargaret Magee (uncredited)
Make-Up AssistantJan Lee (uncredited)
Make-Up AssistantJanet Philips (uncredited)
Design AssistantMary Greaves (uncredited)
Incidental MusicPeter Howell (uncredited)Info