Twice Upon a Time (Doctor Who) Twice Upon a Time (Doctor Who) "Twice Upon a Time" is an episode of the British science fiction television series "Doctor Who", written by Steven Moffat, directed by Rachel Talalay, and was broadcast as the thirteenth Christmas special on 25 December 2017 on BBC One. It features the final regular appearance of Peter Capaldi as the Twelfth Doctor, the first official appearance of Jodie Whittaker as the Thirteenth Doctor, and guest-stars David Bradley as the First Doctor, having previously portrayed original First Doctor actor William Hartnell in the 2013 docudrama "An Adventure in Space and Time". Pearl Mackie guest stars
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