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.