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Beware the Bobbit worm
At night, danger lurks in the coral reef.
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Memorable moments from Blue Planet II—Blue Planet II
Re-live some highlights of the series
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Cooperative clownfish
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The hypnotising cuttlefish
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Beyond our imagination: Blue Planet II
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Protecting leatherback turtles—Series 1, Our Blue Planet
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The dangers of plastic in our oceans—Series 1, Our Blue Planet
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