Part Four
Series Episode Number: 369World Premiere: Sat 16 Mar 1974 - 5:34pm GMT [BBC One] (United Kingdom)
First Broadcast: Thu 4 Dec 2014 - 8:30pm EST [Retro TV]
Running Time: 24 minutes 35 seconds
9.50 Million (UK)
Appreciation Index: 62 (UK)Chart Position: 21 () (UK)
Recorded on Tue 18 Dec 1973 in TC3
Archive State: PAL 2 VT
The Doctor and Bellal arrive at the centre of the Exxilon city but the Daleks are preparing to depart and launch a plague missile that will kill everyone left behind.