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 (2013 specials) omnibus edition of a serial of each Doctor. "Watch" is broadcasting two episodes per weekend, starting on 12 October. The British Film Institute ran a year long celebration of the 50th anniversary with monthly screenings of stories from each Doctor, culminating in November with screenings of both "The Day of the Doctor" and "An Adventure in Space and Time". BBC Radio 2 broadcast a number of new programmes commemorating the show, including a 90-minute documentary called "Who is the Doctor?"; "The Blagger's Guide to Doctor Who" hosted by David Quantick and Graham Norton's live Saturday show was broadcast from the