Last updated 24 March 2024


Episode 1

Series Episode Number: 153

World Premiere: Sat 11 Mar 1967 - 5:51pm GMT [BBC One] (United Kingdom)
First Broadcast: Thu 26 Dec 2019 - 9:00pm EST [BBC America]
Running Time: 22 minutes 58 seconds

8.00 Million (UK)

Appreciation Index: 50 (UK)

Chart Position: 37 () (UK)

Recorded on Sat 04 Mar 1967 in Lime Grove D
Archive State: Missing



The TARDIS arrives at a human colony where everyone appears happy. However, one citizen claims to have seen something terrible and the Doctor is eager to find out what it is.