Doctor Who (2005) : Season 7, Episode 8

Episode Name:

Cold War

Air date:

4/13/2013

Summary:

The Doctor and Clara land on a damaged Russian Submarine in 1983 as it spirals out of control into the ocean depths. An alien creature is loose on board, having escaped from a block of Arctic ice. With tempers flaring and a cargo of nuclear weapons on board, it’s not just the crew but the whole of humanity at stak