6.922 Radhairc
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.
Scaoileadh: Nov 15, 2009
Runtime: 62 nóiméad
Teanga: English
Stiúideo: BBC Cymru Wales
Tír: United Kingdom