Twice Upon a Time (Doctor Who) The Doctor paraphrases philosopher Bertrand Russell when he advises his future self that "hate is always foolish and love is always wise". Peter Capaldi reprised his role as the Twelfth Doctor. On 30 January 2017, he confirmed that the tenth series would be his last, and that he was set to leave after the 2017 Christmas special. The episode also sees the introduction of Jodie Whittaker as the Thirteenth Doctor, whose casting was announced on 16 July 2017. David Bradley appears in the episode as the First Doctor, having previously portrayed William Hartnell in the docudrama "An Adventure in Space
Space and Time (Doctor Who) TARDIS had been previously explored in "The Time Monster" (1972) and "Logopolis" (1980), though both times it was the TARDIS of the Master. Amy also repeats one of her lines from "The Big Bang" at the end of "Space". The special was shot over two days alongside the made-for-DVD "Night and the Doctor" mini-episodes "Bad Night" and "Good Night". It was mostly shot on the first day, where all of the scenes with the TARDIS inside the TARDIS were filmed. Several tricks were used to create the illusion that there were more than one Doctor, Amy, and/or Rory. In scenes