The Doctor and Donna visit a planet-sized library but soon realise that the planet is devoid of life, that is until River Song and her team of archaeologists arrive. As they unravel the library's mystery, something lurks in the shadows.
Episode rating
Cast of episode
90
4
4
- River Song
- The Doctor
- Donna Noble
- Dr Moon
- The Girl
- Dad
- Node 1
- Node 2
- Anita
- Strackman Lux
- Miss Evangelista
- Other Dave
- Proper Dave