The doctor takes Clara to the rings of Akheten, A partly destroyed planet, where a religious ceremony is about to be carried out, but a darkness is stirring, a hungry darkness that could consume the rings of Akhetan and the universe.
Episode rating
Cast of episode
70
24
- Clara
- The Doctor
- Dave
- Ellie
- Merry
- The Chorister
- Zygon
- Dor'een
- Passer By
- Dalek 3
- Cyberman
- Cyberman
- Dalek
- Dalek
- Cyberman
- 80s Man