Pearl Mackie bids farewell to Doctor Who in the Christmas SpecialBBC The Doctor Who Christmas Special, Twice Upon A Time, will air in New Zealand on Prime on Boxing Day. Pearl Mackie will play Bill Potts one last time in this year's Doctor Who Christmas Special. This year's Doctor Who Christmas Special sees the 12th Doctor team up with the First. When asked if it was always the plan that Bill would return for the Christmas Special, Mackie says "you'd have to ask Steven. This year's Doctor Who Christmas Special will debut on Prime at 7.30pm on Boxing Day.

Source: Stuff December 22, 2017 17:15 UTC