Earth is suddenly visited by millions of small black cubes of unknown origin. The Doctor joins Amy, Rory and Rory's father, Brian, to help discover what these cubes bring for humanity.
Episode rating
Cast of episode
85
10
1
- Amy Pond
- Rory
- The Doctor
- Brian Williams
- Kate Stewart
- Shakri
- Ranjit
- Laura
- Arnold Underwood
- Orderly 1
- Orderly 2
- UNIT Researcher
- Matthew Amroliwala
- Karren Brady
- Brian Cox
- Lab Technician
- Scientist
- Nick Hewer
- Dalek
- Sophie Raworth
- Alan Sugar