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As the world's energy supplies dwindle, the Orpheus, a research submarine, delves into the deep of the Arctic Ocean searching for rare micro-organisms, but the crew soon find themselves in peril.
First Air Date : Aug 03, 2010
Last Air date : Aug 31, 2010
Episode : 5 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: BBC One
Country: United Kingdom
