![doctor who last christmas tvtropes doctor who last christmas tvtropes](https://m.media-amazon.com/images/M/MV5BMTY0MDE0MzMzNl5BMl5BanBnXkFtZTgwMDU4MDE4MzE@._V1_.jpg)
"Twice Upon a Time" is Capaldi's fourth and final Christmas special as the Twelfth Doctor, and the last Doctor Who story to be written and produced by Moffat, who had served as the show's executive producer and chief writer since taking over from Russell T Davies in 2010.
#Doctor who last christmas tvtropes serial
This episode is a continuation of events after " The Doctor Falls", addressing the cliffhanger that it ended on, and takes place during the final story of the First Doctor footage from the 1966 serial The Tenth Planet, is used in the special. Jenna Coleman as Clara Oswald and Matt Lucas as Nardole. Pearl Mackie guest stars as the Twelfth Doctor's former companion Bill Potts, while his other companions make guest appearances – 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. " 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 (and to date final) Christmas special on 25 December 2017 on BBC One. List of Doctor Who episodes (2005–present)