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.
A middle-aged underachieving van driver, Jay (Randy Nazarian), is assigned to drive an irascible senior, Harry (Raymond J. Barry), to a new home. Along the way they have a series of misadventures, including being picked up by a troupe of burlesque dancers led by Red (Shondrella Avery) and performing an impromptu comedy act. An enlightening journey that gives both men new perspective on life.