HorrorScience FictionDramaMysteryAdventureTV Movie

In a Mars base, the inhabitants are being infected by a mysterious water creature which takes over its victims. The Doctor is thrust into the middle of this catastrophe, knowing a larger one is waiting around the corner.

Credits

David TennantThe Doctor

Lindsay DuncanCaptain Adelaide Brooke

Peter O'BrienEd Gold

Sharon Duncan-BrewsterMaggie Cain

Gemma ChanMia Bennett