英国剧情《神秘博士2017圣诞特别篇》（2017）完整版全集免费在线观看，瑞秋·塔拉蕾自演，综合评分3.0分，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.