The Ultimate Foe (1) Doctor Who : Season 23 Episode 13
TV-PG BBC Television 25m
Aired: November 29th, 1986 @ 5:15 PM EST on BBC Television
With the Doctor now reluctantly admitting to genocide, things look bad. But the Doctor's nemesis, the Master, intervenes, and the real truth behind the trial comes to light - and with it, the shocking secret of the Valeyard's true identity...
