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Atlantic: The Wildest Ocean on Earth Season 1 Episode 2

In the vast South Atlantic, huge pods of dolphins, massive penguin colonies and the largest gathering of marine mammals on earth pack chains of extraordinary islands, created by powerful volcanic forces far below them. Nutrient-rich upwellings create profusions of life in some areas, whilst extreme isolation and abyssal depths host a world of bizarre creatures in others.

Episode Title: Mountains of the Deep

Air Date: 2015-08-06