Episode 1
One Ocean
Oceans are explored to better understand the world beneath the waves.
TV series
Blue Planet II
2017TV-G1 season8.6 / 10
Take a deep breath.
There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known parts of our planet.
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Checked Jul 22, 2026
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Synopsis
There is nowhere more powerful and unforgiving yet more beautiful and compelling than the ocean. Join us and explore the greatest yet least known parts of our planet.
Season 1 episodes
Watch options above are for the show and may vary by season or episode.
Episode 2
The Deep
A groundbreaking journey to the deepest parts of the oceans.
Episode 3
Coral Reefs
The ingenious ways life exists in the undersea cities of tropical reefs.
Episode 4
Big Blue
Animals go to the extreme to survive in the vast marine desert.
Episode 5
Green Seas
Animals fight for space and food in a seasonal world of boom and bust.
Episode 6
Coasts
Coasts are the most changeable, but they offer great riches.
Episode 7
Our Blue Planet
Scientists reveal what the future holds for our oceans.
Episode information updated Jul 22, 2026
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