Series: 9

Original Air date:  September 19, 2015

Number Doctor: 12th

Companion(s): Clara Oswald

Writer(s):   Steven Moffat

Director(s):  Hettie MacDonald

Guest Stars:
Michelle Gomez as Missy
Julian Bleach as Davros
Jemma Redgrave as Kate Stewart
Jaye Griffiths as Jac
Harki Bhambra as Mike
Daniel Hoffmann-Gill as Bors
Benjamin Cawley as Kanzo
Aaron Neil as Mr Dunlop
Clare Higgins as Ohila
Kelly Hunter as Shadow Architect
India Ria Amarteifio as Alison
Dasharn Anderson as Ryan

Synopsis: Where is the Doctor? When the skies of Earth are frozen over by an mysterious alien force, Clara needs her friends. But where is the Doctor and what is he hiding from? As past deeds come back to haunt him, old enemies will come face-to-face, and for the Doctor and Clara survival seems impossible.

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