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Oceans: What Lies BeneathEpisodes Available now
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Episode 4
4/4Gabrielle examines the intimate relationship between the oceans and our climate.

Episode 3
3/4Gabrielle considers some of the remarkable resources that the oceans have to offer.

Episode 2
2/4Gabrielle meets oceanographers who have explored the deep ocean.

Episode 1
1/4Gabrielle Walker explores why we know so little about the planet's oceans.