Part Two
Series Episode Number: 567World Premiere: Tue 16 Feb 1982 - 7:05pm GMT [BBC One: Not Wales] (United Kingdom)
First Broadcast: Thu 16 Apr 2015 - 8:30pm EDT [Retro TV]
Running Time: 24 minutes 26 seconds
9.30 Million (UK)
Chart Position: 48 () (UK)
Recorded on Thu 21 May 1981 in Television Centre 3
A Terileptil is living in Sir John's basement and is planning to wipe out mankind with plague rats. It decides to arrange for the Doctor and Richard Mace to be beheaded.
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