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A guide to the sites visited by the Oceans team in the Atlantic Ocean. In this episode the team make a dangerous dive into a 'black hole' to discover how different our planet's earliest oceans were 3.5 billion years ago. They dive one of only two places on the planet where the oldest life form on earth still survives. Finally they then brave waters teeming with sharks to act as human bait.
First Air Date : Nov 12, 2008
Last Air date : Jul 11, 2015
Episode : 8 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: BBC Two
Country: United Kingdom