As the Twelfth Doctor nears regeneration, he stumbles on his first incarnation, also refusing to change. It takes a captain, a glass avatar and a familiar face to convince the Doctors the universe still needs them.
Released: 2017-12-25
Runtime: 60 minutes
Genre: Science Fiction, Adventure
Stars: Peter Capaldi, Mark Gatiss, Pearl Mackie, Nikki Amuka-Bird, David Bradley, Toby Whithouse, Lily Travers, Jared Garfield, Jenna Coleman, Matt Lucas, Jodie Whittaker, William Hartnell, Nicholas Briggs, Anneke Wills, Michael Craze, Patrick Troughton