Last updated 20 August 2023


Air Lock

Series Episode Number: 84

World Premiere: Sat 25 Sep 1965 - 5:52pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 19 seconds

11.30 Million (UK)

Appreciation Index: 54 (UK)

Chart Position: 13 () (UK)

Recorded on Fri 23 Jul 1965 in Television Centre 4
Archive State: RECOVERED
BBC Genome Project: see entry



The Doctor and Vicki learn the truth about the Drahvins from the ammonia breathing Rills. Meanwhile, when Steven attempts to escape the Drahvins, he finds himself in more peril.

Recovery announced at the BFI Sunday 11 December 2011

Episode included on the DVD The Aztecs Special Edition