The Doctor Falls the episode, the Doctor (Peter Capaldi) must save himself and the remaining human population of a gigantic colony ship from Mondas, while also dealing with two different incarnations of the Master (Michelle Gomez and John Simm) at once. The episode features a cameo from the First Doctor, now portrayed by David Bradley. He had previously played William Hartnell, the original First Doctor actor, in the 2013 "Doctor Who" docudrama "An Adventure in Space and Time". Aboard the colony ship reversing from the event horizon of a black hole, the Doctor finds Bill has been converted into a Cyberman. The Master
The Time of the Doctor Collectors Boxset" alongside "The Name of the Doctor", "The Night of the Doctor", "The Day of the Doctor", "An Adventure in Space and Time" and "The Five(ish) Doctors Reboot". The ten Christmas specials between "The Christmas Invasion" and "Last Christmas" inclusive were released in a boxset titled "Doctor Who – The 10 Christmas Specials" on 19 October 2015. Selected pieces of score from "The Time of the Doctor", as composed by Murray Gold, were released on 24 November 2014 by Silva Screen Records. The Time of the Doctor "The Time of the Doctor" is an episode of the British science