Episode 3
Series Episode Number: 274World Premiere: Sat 23 May 1970 - 5:15pm BST [BBC One] (United Kingdom)
First Broadcast: Fri 31 Oct 1975 - 6:30pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 34 seconds
4.80 Million (UK)
Appreciation Index: 60 (UK)Chart Position: 85 () (UK)
Recorded on Fri 08 May 1970 in TC3 / TC6
Archive State: RSC conver
Transported to a parallel world, the Doctor discovers that England is under military rule and the drilling project is at a more advanced stage.
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