- Jodie Whittaker (The Doctor)
- Mandip Gill (Yasmin 'Yaz' Khan)
- John Bishop (Dan Lewis)
Episode: The Battle of Ranskoor Av Kolos
Air Date: 2018-12-09
Runtime: 50 min
On the planet of Ranskoor Av Kolos, a battlefield, a conflict-scarred survivor, and a deadly reckoning await the Doctor, Ryan, Yaz and Graham.