Series: 9

Original Air date:  November 7, 2015

Number Doctor: 12th

Companion(s): Clara Oswald

Writer(s):   Peter Harness and Steven Moffat

Director(s):  Daniel Nettheim

Guest Stars:
Ingrid Oliver as Osgood
Jemma Redgrave as Kate Stewart
Nicholas Asbury as Etoine

Synopsis: With the Zygons invading England, and UNIT neutralized, the Doctor stands alone to stop the Zygons from taking over the entire planet. But how can he stop the Zygons? And how can he save his friends?

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