Episode Two
Series Episode Number: 290World Premiere: Sat 20 Mar 1971 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Wed 26 Nov 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes
8.00 Million (UK)
Chart Position: 43 () (UK)
Recorded on Sat 23 Jan 1971 in Television Centre 3
Archive State: RSC conver
The Master is in league with the Axons who intend to consume Earth. The Doctor subjects Axonite to tests and discovers the terrible truth.