Last updated 24 March 2024


Episode 3

Series Episode Number: 194

World Premiere: Sat 17 Feb 1968 - 5:25pm GMT [BBC One] (United Kingdom)
Running Time: 24 minutes 34 seconds

7.00 Million (UK)

Appreciation Index: 51 (UK)

Chart Position: 71 () (UK)

Recorded on Sat 27 Jan 1968 in Lime Grove D
Archive State: Missing



The Doctor meets Colonel Lethbridge-Stewart who takes control of the military operation against the Yeti. But the Doctor suspects that there is a traitor in their midst.