Last updated 24 March 2024


Part One

Series Episode Number: 554

World Premiere: Mon 4 Jan 1982 - 6:56pm GMT [BBC One: England and Northern Ireland] (United Kingdom)
First Broadcast: Sun 24 Apr 1983 - 11:00pm CDT [WTTW 11 Chicago]
Running Time: 24 minutes 14 seconds

9.10 Million (UK)


Chart Position: 54 () (UK)

Recorded on Tue 15 Sep 1981 in Television Centre 3



The Doctor tries to recuperate within the Zero Room, leaving Nyssa, Adric and Tegan to face the Master. Then Adric is taken and the TARDIS plunges towards Event One...