Episode 130 - Warriors of the Deep

In the near distant future, humanity is engaged in another cold war. Far below on the ocean floor, a base belonging to one of the factions stands poised for war. This week, Paddy and Tricia follow The Doctor and his companions as they arrive at the base as tensions heighten at the arrival of a mysterious battleship. However, it is much worse than anyone realizes as The Doctor recognizes these Warriors of the Deep.