- Jodie Whittaker (The Doctor)
- Mandip Gill (Yasmin 'Yaz' Khan)
- John Bishop (Dan Lewis)
Episode: The Ghost Monument
Air Date: 2018-10-14
Runtime: 49 min
Still reeling from their first encounter, can the Doctor and her new friends stay alive long enough, in a hostile alien environment, to solve the mystery of Desolation? And just who are Angstrom and Epzo?