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
Doctor Who: Thirty Years in the TARDIS programme's fiftieth anniversary in 2013, when the one-off special "An Adventure in Space and Time" was broadcast on BBC Two. Doctor Who: Thirty Years in the TARDIS Doctor Who: Thirty Years in the TARDIS is a one-off, 50-minute television documentary, broadcast to celebrate the thirtieth anniversary of the science-fiction series "Doctor Who". It was originally transmitted on Monday 29 November 1993, on BBC One (BBC Two in Scotland). The programme was the first BBC-produced, in-depth documentary chronicling "Doctor Who" since the earlier "Whose Doctor Who" was broadcast in April 1977, although a thirty-minute, categorized compilation of archive clips had been