曾有兩次：《神秘博士》2017圣誕特別篇是由瑞秋·塔拉蕾執(zhí)導(dǎo)，彼得·卡帕爾迪,大衛(wèi)·布拉德利,馬克·加蒂斯,珀爾·麥基,莉莉·崔佛斯,杰瑞德·加菲爾德,朱迪·惠特克,托比·懷特豪斯主演的一部科幻片。主要講述了：Peter Capaldi’s final episode of Doctor Who this Christmas will feature Pearl Mackie as Bill Potts aPeter 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.