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) glass floor surrounding the console and becomes distracted by Amy's short skirt, causing him to drop the thermal couplings he was holding. This causes the three to be stuck in a "space loop" where the TARDIS materializes inside of the TARDIS. "Space" and "Time" were filmed in two days alongside the sixth series DVD "Night and the Doctor" extras "Bad Night" and "Good Night". The episodes are intended to show what life aboard the TARDIS would be like. Several editing techniques and doubles were used for the various shots where there were more than one of the same character on