Last updated 24 March 2024


Part One

Series Episode Number: 572

World Premiere: Mon 8 Mar 1982 - 6:56pm GMT [BBC One: Not Wales] (United Kingdom)
First Broadcast: Sun 29 May 1983 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 22 seconds

9.10 Million (UK)


Chart Position: 45 () (UK)

Recorded on Tue 10 Nov 1981 in Television Centre 8



Deadly androids are protecting a bomb buried beneath the Earth from all investigation. However, the Doctor manages to disable it, alerting its owners � the Cybermen...