Episode Six
Series Episode Number: 349World Premiere: Sat 12 May 1973 - 5:50pm BST [BBC One] (United Kingdom)
Running Time: 23 minutes 6 seconds
8.50 Million (UK)
Chart Position: 24 () (UK)
Recorded on Tue 20 Feb 1973 in TC1
Archive State: PAL 2 VT
A force of ten thousand Daleks is coming to life below the surface of Spiridon. The Doctor and the Thals must find a way to defeat the Daleks before they invade the galaxy.
Note: the BBC's PasB entry for this episode has a typo saying broadcast time was as 17:30 rather than 17:50!
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