该片是由瑞秋·塔拉蕾执导的科幻片,于2017年上映，主要讲述了:Peter Ca.paldi’s final e.pisode. of Doctor Who .this Christmas .will feat.ure Pearl Ma.ckie as Bill Potts. and b.e called Twice Upo.n a Time, it was reve.aled t.his. evening (23. July) durin.g a cast pan.el at San Diego Comic Co.n. Viewers will. have to .wait until Chri.stm.as to discover exactly how .Bill, who will app.ear throughout .the episode, ma.kes he.r return.