Last updated 24 March 2024


Episode One

Series Episode Number: 299

World Premiere: Sat 22 May 1971 - 6:16pm BST [BBC One] (United Kingdom)
First Broadcast: Thu 18 Dec 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 25 minutes 5 seconds

9.20 Million (UK)


Chart Position: 26 () (UK)

Recorded on Tue 11 May 1971 in Television Centre 4
Archive State: PAL Restor



The Doctor tries to prevent Professor Horner from breaking into an ancient barrow near the village of Devil's End. Posing as the village vicar, the Master summons dark forces.