Blue Planet II Series 1 Episodes Episode guide
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Our Blue Planet
7/7 David Attenborough explores the issues behind the series' most spectacular stories.
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Coasts
6/7 Coasts are the most changeable of the ocean worlds, but they offer great riches.
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Green Seas
5/7 From enchanted forests to undersea prairies, the planet's green seas teem with life. (R)
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Big Blue
4/7 This vast ocean desert where sperm whales must dive 1,000 metres just to feed. (R)
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Coral Reefs
3/7 The ingenious ways life exists in the undersea cities of tropical reefs.
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The Deep
2/7 A groundbreaking journey to the deepest parts of the oceans.
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One Ocean
1/7 New worlds and animal behaviours are uncovered on a journey from the equator to the poles.