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.
Length 60 minutes
Peter Capaldi | Julian Bleach | Jemma Redgrave | Michelle Gomez | Kelly Hunter | Jenna Coleman | Nicholas Briggs | Barnaby Edwards | Nicholas Pegg | Joey Price | Jami Reid-Quarrell