Last updated 24 March 2024


Part Three

Series Episode Number: 358

World Premiere: Sat 29 Dec 1973 - 5:10pm GMT [BBC One] (United Kingdom)
First Broadcast: Thu 27 Nov 2014 - 8:00pm EST [Retro TV]
Running Time: 23 minutes 30 seconds

6.60 Million (UK)


Chart Position: 89 () (UK)

Recorded on Mon 11 Jun 1973 in TC1
Archive State: PAL 2 VT



Linx is providing advanced weaponry to Irongron and his men who prepare to attack Sir Edward's castle. The Doctor is forced to improvise a defence, but will it be enough?