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
An Adventure in Space and Time However, the proposal was rejected, and Gatiss was told that there was no available slot or budget. In order to make the film understandable to a general audience, not all personnel involved in the creation of "Doctor Who" are represented. For example, the role of original story editor David Whitaker is merged with that of associate producer Mervyn Pinfield; co-creator Donald Wilson and writer C.E. Webber are also excluded. Part of the production involved the recreation of scenes from the classic series, including missing episodes such as "Marco Polo". Gatiss also had ambitions to recreate the death of Sara Kingdom