Doctor Doctor Who Guide

Last updated 09 January 2020


Part Four

Part Four

Series Episode Number: 569

World Premiere: Tue 23 Feb 1982 - 7:05pm GMT [BBC One: Not Wales] (United Kingdom)
First Broadcast: Fri 17 Apr 2015 - 8:30pm EDT [Retro TV]
Running Time: 23 minutes 32 seconds

10.10 Million (UK)


Chart Position: 40 () (UK)




The Doctor discovers more Terileptil criminals in hiding in London. As he battles them, their soliton gas generator explodes, setting the city ablaze...