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 in Australia were still only around twelve months behind their original BBC transmission dates. In October 1966 the first episode of "The Space Museum" marked the first time the ABC stripped Doctor Who in the 6:30 Monday–Thursday timeslot. With only occasional changes or minor variations to days and times, the ABC continued to strip "Doctor Who" in a weekday early-evening timeslot for much of the next twenty-six years. Later in 1966 the ABC also started showing repeats of chunks of the most recent first-run stories in the same stripped prime-time slot. (Repeats not only remained commonplace, but their regularity also went on