The Blue Planet

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The Blue Planet: Episode 7: Tidal Seas

Episode 7

Episode 7: Tidal Seas

Tidal Seas

BBC One - The Blue Planet, Tidal Seas

How tides create opportunities for marine life, as dolphins play a deadly game of catch.

David Attenborough narrates a natural history of the oceans. As snails surf the waves in pursuit of a meal, how do the tides create opportunities for marine life?

David Attenborough narrates a natural history of the oceans. This edition explores a force so powerful that it moves oceans - the tides. All over the world tides create opportunities for marine life: giant sting rays glide on currents for a rest, the fastest snail of all surfs waves in pursuit of dinner, minute crabs play football on the beach, racoons binge and, in a unique sequence, dolphins play a deadly game of catch. For in the ocean, each turn of the tide spells life or death, somewhere.

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David Attenborough narrates a natural history of the oceans.

The Blue Planet: Episode 3: Open Ocean

Episode 3

Episode 3: Open Ocean

Open Ocean

BBC One - The Blue Planet, Open Ocean

Looking at the hunting skills of whales, dolphins, tuna, shark and rapier-nosed billfish.

David Attenborough narrates a natural history of the oceans. The deadly game of hide-and-seek played by the sea's charismatic hunters - whales, shark and billfish.

This programme focuses on the predatory skills of some of the most charismatic hunters found on the planet: whales, dolphins, tuna, shark and rapier-nosed billfish. The open ocean is unimaginably immense - it covers more than 360 million square kilometres of the Earth's surface. Much of this huge expanse of seawater is marine desert with virtually no sign of life. Yet the fastest and most powerful survive, playing a deadly game of hide-and-seek with their prey. This charts how they track down prey in the seemingly featureless seas, following the extraordinary life of yellowfin tuna from a minute egg to a 200 kilogram, voracious predatory giant.

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Episode 3: Open Ocean

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