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Season 23 Episode 14
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Season 23 Episode 14
The Ultimate Foe (2)
Dec 06, 1986 on BBC One at 5:15 PM
Summary
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...
