神秘博士2017圣诞特别篇是一部上映于2017的英国电影作品,Peter Capaldi’s final episode of Doctor Who this Christmas will feature Pearl Mackie as Bill Potts a神秘博士2017圣诞特别篇是一部上映于2017的英国电影作品,Peter Capaldi’s final episode of Doctor Who this Christmas will feature Pearl Mackie as Bill Potts and be called Twice Upon a Time, it was revealed this evening (23 July) during a cast panel at San Diego Comic Con. Viewers will have to wait until Christmas to discover exactly how Bill, who will appear throughout the episode, makes her return.详情