Doctor Who

Season 7, Episode 8

Episode Title: Cold War

Air Date: 2013-04-13

Overview:

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 stake!