Part Two
Series Episode Number: 407World Premiere: Sat 4 Oct 1975 - 5:46pm BST [BBC One] (United Kingdom)
First Broadcast: Wed 2 Apr 1980 - 5:30pm CST [WTTW 11 Chicago]
Running Time: 22 minutes 30 seconds
9.90 Million (UK)
Chart Position: 24 () (UK)
Recorded on Tue 01 Jul 1975 in Television Centre 6
The Doctor and Sarah are held responsible for the deaths on Zeta Minor, but the Time Lord knows that the real culprit comes from the mysterious universe of antimatter.
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