简介：
Peter Capaldi’s final episode of Doctor Who this Christmas will feature Pearl 凤隐龙藏txtMackie as Bill Potts and be called Twice Upon a Time, it was revealed this evening (23 July) durin忘忧草WYC IAg a cast panel at San Diego Comic Con. Viewers will have to wait until Christmas to discover exactly how Bill, who will appear thro谢霆锋快递ughout the episode, makes her return.
