Last updated 24 March 2024


Part One

Series Episode Number: 542

World Premiere: Sat 3 Jan 1981 - 5:20pm GMT [BBC One] (United Kingdom)
First Broadcast: Sun 13 Dec 1981 - 11:00pm CST [WTTW 11 Chicago]
Running Time: 22 minutes 54 seconds

7.10 Million (UK)

Appreciation Index: 59 (UK)

Chart Position: 88 () (UK)

Recorded on Wed 17 Sep 1980 in Television Centre 3



The TARDIS is drawn into an empty white void, somewhere between universes. But they are not the only ones trapped there.