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Blue Planet IISeries 1Episodes

    Our Blue Planet

    7/7David Attenborough explores the issues behind the series' most spectacular stories.

    Coasts

    6/7Coasts are the most changeable of the ocean worlds, but they offer great riches.

    Green Seas

    5/7From enchanted forests to undersea prairies, the planet's green seas teem with life.

    Big Blue

    4/7A look at a vast ocean desert where sperm whales must dive 1,000 metres just to feed.

    Coral Reefs

    3/7The ingenious ways life exists in the undersea cities of tropical reefs.

    The Deep

    2/7A groundbreaking journey to the deepest parts of the oceans.

    One Ocean

    1/7New worlds and animal behaviours are uncovered on a journey from the equator to the poles.