The Power of the Doctor

"The Power of the Doctor" is the third and final of the 2022 specials of the British science fiction television programme Doctor Who, and was broadcast on BBC One on 23 October 2022. The episode was ordered for the occasion of the 100th anniversary of the launch of the BBC, airing five days after. It was written by Chris Chibnall, and directed by Jamie Magnus Stone. Jodie Whittaker stars in her final regular appearance as the Thirteenth Doctor, alongside Mandip Gill and John Bishop as her companions Yasmin Khan and Dan Lewis, respectively. The episode also features the return of Jacob Anderson as Vinder and Jemma Redgrave as Kate Stewart, both of whom last appeared in the thirteenth series; Sacha Dhawan as the Master and Patrick O'Kane as Ashad, both of whom last appeared in the twelfth series; as well as previous companions Janet Fielding as Tegan Jovanka and Sophie Aldred as Ace, who last appeared in the twenty-first and twenty-sixth and final seasons of the show's original run, respectively. The ending of the episode features David Tennant, who previously portrayed the Tenth Doctor, appearing as the Fourteenth Doctor. Plot The Thirteenth Doctor and her companions intervene in a CyberMaster attack on a bullet train in space, but Dan is nearly killed during the escapade. Having developed a sense of his mortality, Dan parts with the Doctor to get back to living his life. The Cybermasters teleport away with a child who was imprisoned on the train. A renegade Dalek contacts the Doctor, offering information about a Dalek plot to destroy humanity. The Doctor tracks the child to a second moon that has appeared in the sky in 1916 Russia. In reality, it is a planet that has been fully converted by the Cybermen. The Doctor and Yaz find the child from the train imprisoned on the Cyberplanet, and discover it is actually an enslaved energy being called the Qurunx using a perception filter.