Last updated 24 March 2024


Episode Three

Series Episode Number: 234

World Premiere: Sat 8 Feb 1969 - 5:15pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 10 seconds

7.50 Million (UK)

Appreciation Index: 55 (UK)

Chart Position: 65 () (UK)

Recorded on Wed 17 Jan 1968 in Lime Grove D
Archive State: 16mm t/r



On the Moon, the Doctor is captured by the Ice Warriors as he spacewalks to the T-Mat relay station. He learns that they intend to use T-Mat to spread a deadly fungus across the world.