Episode 4
Series Episode Number: 173World 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.
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