The BBC has announced that Peter Capaldi’s final episode of Doctor Who, to be broadcast this Christmas will be called
Twice Upon a Time
The episode will also feature Pearl Mackie returning as Bill Potts. Viewers will have to wait until Christmas to discover exactly how Bill, who will appear throughout the episode, makes her return.
It was also revealed that Mark Gatiss will co-star in the episode in a guest role, playing a World War One soldier - known so far only as ‘The Captain'
As previously revealed in the closing moments of the 2017 series finale, the special will feature Peter Capaldi’s current Doctor team up with the First Doctor, played by David Bradley.