Series: 8

Original Air date:  November 1, 2014

Number Doctor: 12th

Companion(s): Clara Oswald

Writer(s):   Steven Moffat

Director(s):  Rachel Talalay

Guest Stars:
Samuel Anderson as Danny Pink
Michelle Gomez as Missy
Sheila Reid as Gran
Chris Addison as Seb
Andrew Leung as Dr Chang
Nigel Betts as Mr Armitage

Synopsis: In the mysterious world of the Nethersphere, plans have been drawn. Old friends and old enemies manoeuvre around the Doctor, and an impossible choice is looming over him.

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