Description :
Many thousands of years in the future, Earth becomes uninhabitable forcing humanity into an ark. The Doctor, Sarah Jane and Harry arrive aboard to discover somebody is sabotaging the sleeping humans. Can the Doctor prevent the last of the human race from being destroyed by the terrifying Wirrn?
| 1 | The Ark in Space, Episode 1 | 24:58 | Watch | ||
| 2 | The Ark in Space, Episode 2 | 24:50 | Watch | ||
| 3 | The Ark in Space, Episode 3 | 24:05 | Watch | ||
| 4 | The Ark in Space, Episode 4 | 24:50 | Watch |
