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.

Blue Planet II is a natural history series ... We've been lucky enough to access these for our 'macro' filming, to bring the full wonder and detail of marine life to our audience.

BBC Earth's Blue Planet II explored the immense wonders of the deep. Now the team is back to celebrate marine life from all corners of the world and investigate the health of our oceans.

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