Last updated 24 March 2024


Episode 4

Series Episode Number: 173

World Premiere: Sat 23 Sep 1967 - 5:50pm BST [BBC One] (United Kingdom)
First Broadcast: Sat 13 Mar 1993 - ~12:00am CST [Iowa Public TV]
Running Time: 23 minutes 22 seconds

7.40 Million (UK)

Appreciation Index: 50 (UK)

Chart Position: 34 () (UK)

Recorded on Sat 22 Jul 1967 in Lime Grove D
Archive State: 16mm t/r



The Cyber Controller has been revitalised after leaving the icy tomb, threatening to overpower his human foes. The Doctor is determined to return the Cybermen to their long sleep.