Part FourSeries Episode Number: 473
World Premiere: Sat 28 Jan 1978 - 6:29pm GMT [BBC One] (United Kingdom)
First Broadcast: Mon 25 Feb 1980 - 5:30pm CST [WTTW 11 Chicago]
Running Time: 23 minutes 3 seconds
11.70 Million (UK)
Chart Position: 27 () (UK)
Recorded on Tue 04 Oct 1977 in TC3
The rebels launch a full-scale uprising against the Gatherer and his Inner Retinue while the Doctor confronts the real head of the Company.