Episode Four
Series Episode Number: 333World Premiere: Sat 20 Jan 1973 - 5:51pm GMT [BBC One] (United Kingdom)
First Broadcast: Tue 18 Nov 2014 - 8:30pm EST [Retro TV]
Running Time: 25 minutes 7 seconds
11.90 Million (UK)
Chart Position: 17 () (UK)
Recorded on Tue 12 Dec 1972 in TC8
Archive State: PAL 2 VT
Omega intends to escape his antimatter world and needs the Doctors to take his place. But they discover the terrible truth about Omega and realise that he can never escape.
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