Part Three
Series Episode Number: 368World Premiere: Sat 9 Mar 1974 - 5:30pm GMT [BBC One] (United Kingdom)
First Broadcast: Thu 4 Dec 2014 - 8:00pm EST [Retro TV]
Running Time: 24 minutes 24 seconds
10.50 Million (UK)
Appreciation Index: 61 (UK)Chart Position: 20 () (UK)
Recorded on Tue 19 Feb 1974 in TC3
Archive State: PAL 2 VT
The Daleks force the Exillons to work as slave labour to mine the life-saving parrinium. The Doctor and Bellal brave the puzzles and traps of the Exxilon city.
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