The Doctor is called by the Vatican to solve the mystery of a text called the Veritas, that when someone reads it dies soon after. But something is dwelling in the Vatican, and doesn't want the Veritas to be read.
Episode rating
Cast of episode
76
11
9
- Bill
- The Doctor
- Nardole
- Missy
- Moira
- Cardinal Angelo
- Rocco Colasanto
- Penny
- Rafando
- Piero
- Pentagon Woman
- Nicolas
- Silent
- Voice of the Monk
- Cyberman
- Cyberman
- Student
- Chinese Artisan