Series: 9

Original Air date:  December 5, 2015

Number Doctor: 12th

Companion(s): Clara Oswald

Writer(s):   Steven Moffat

Director(s):  Rachel Talalay

Guest Stars:
Maisie Williams as Ashildr
Malachi Kirby as Gastron
Clare Higgins as Ohila

Synopsis: If you took everything from him, betrayed him, trapped him, and broke both his hearts… how far might the Doctor go? Returning to Gallifrey, the Doctor faces the Time Lords in a struggle that will take him to the end of time itself. Who is the Hybrid? And what is the Doctor’s confession?

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