And as some những người hâm mộ with particularly good memories may recall, one such visit has actually been chronicled in the series before, with the Doctor taking wife River Song there offscreen prior to the events of 2011 episode A Good Man Goes to War.
This year’s Doctor Who giáng sinh special could be a rare double Doctor episode, with Peter Capaldi’s departing thirteenth incarnation being joined bởi the 1ST Doctor, played bởi An Adventure in không gian and Time ngôi sao David Bradley.
“Do bạn feel that River Song’s story is done?”Showrunner replied: "Well, yes, that does seem like the end to me. Except, of course, it isn’t, and can’t be. There’s always the chance that River will hiển thị up again."
While the opening episode of Doctor Who’s tenth series was all about Pearl Mackie’s new companion Bill, eagle-eared những người hâm mộ will have a noticed a sweet little callback to trước đó co-lead Jenna Coleman’s Clara Oswald towards the end of the story.