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.
Release: 2009
Rating: 7.907
Genre: Horror, Science Fiction, Drama, Mystery, Adventure, TV Movie
Duration: 62 min
Country: United Kingdom
Production: BBC Cymru Wales
David Tennant
as The Doctor
Lindsay Duncan
as Captain Adelaide Brooke
Peter O'Brien
as Ed Gold
Sharon Duncan-Brewster
as Maggie Cain
Gemma Chan
as Mia Bennett
Aleksandar Mikic
as Yuri Kerenski