The Zygon Inversion (TV story)

 was the eighth episode of the ninth series of Doctor Who produced by BBC Wales.

Synopsis
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Plot
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Cast

 * The Doctor - Peter Capaldi
 * Clara - Jenna Coleman
 * Osgood - Ingrid Oliver
 * Kate - Jemma Redgrave
 * Etoine - Nicholas Asbury
 * Zygons - Aidan Cook, Tom Wilton, Jack Parker
 * Voice of the Zygons - Nicholas Briggs

Uncredited cast

 * Bonnie - Jenna Coleman, Ingrid Oliver

Crew
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The Doctor

 * The Doctor tells Osgood that his real name is "Basil."

Story notes
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Ratings

 * BBC One: to be added

Filming location
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Continuity

 * Kate Stewart explains that she survived her encounter with a Zygon by firing "five rounds rapid", a phrase often used by her father. (TV: The Dæmons et al)
 * The naval surgeon who invented the anti-Zygon gas Z-67 is named Sullivan. (TV: Terror of the Zygons) The Doctor refers to him as an imbecile just as his fourth incarnation once did. (TV: Revenge of the Cybermen)
 * The battle helmet of a Mire can be seen as a recent addition to the Black Archive. (TV: The Girl Who Died)
 * The Doctor reminisces how about his experiences in the Last Great Time War. Furthermore, the Osgood Boxes are directly based off the Moment to reflect the way his wartime self struggled not to use its destructive potential. (TV: The Day of the Doctor)

DVD releases
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Blu-ray releases
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