Vengeance on Varos (2) Doctor Who : Season 22 Episode 4
TV-PG BBC Television 25m
Aired: January 26th, 1985 @ 5:15 PM EST on BBC Television
The Governor forces the Doctor to tell him the true value of zeiton-7 but Sil attempts to derail his plans by subjecting Peri and Areta to an enforced mutation.
