Last updated 19 August 2023


Part One

Part One

Series Episode Number: 534

World Premiere: Sat 25 Oct 1980 - 5:40pm BST [BBC One] (United Kingdom)
First Broadcast: Sun 29 Nov 1981 - 11:15pm CST [WTTW 11 Chicago]
Running Time: 24 minutes 23 seconds

5.90 Million (UK)


Chart Position: 106 () (UK)

Recorded on Thu 07 Aug 1980 in Television Centre 3



The TARDIS enters the universe of E-Space and lands on the planet Alzarius where Mistfall is occurring and creatures are stirring in the swamp.