Last updated 09 January 2020


Episode Four

Episode Four

Series Episode Number: 138

World Premiere: Sat 26 Nov 1966 - 5:49pm GMT [BBC One] (United Kingdom)
First Broadcast: Sat 10 Dec 2016 - 11:00pm EST [BBC America]
Running Time: 24 minutes 23 seconds

7.80 Million (UK)

Appreciation Index: 47 (UK)

Chart Position: 50 () (UK)

Recorded on Sat 12 Nov 1966 in Riverside 1
Archive State: Missing



Lesterson is driven insane when he discovers that the Daleks are reproducing themselves, and are preparing to seize control of the colony.