Cold War
Show: Doctor Who --> Season: 7 - Series 7
AirDate: 4/13/2013
Runtime: 42
Voting: 6.4 (59)

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!