Planet Earth: Blue Planet II
In our green seas, sunlight powers kelp forests, mangroves, seagrass and algae
Video Extras from This Episode
Behind the Scenes: Filming in the Reefs
The 'Blue Planet II' crew used special straightscope camera systems to film the underwater worlds of the reefs.
Octopus Wears Shell Suit
Being a genius means survival for this octopus living in our planet's green seas. Don't miss all-new episodes of 'Blue Planet II' on Saturdays at 9/8c on BBC America.
Trailer: Green Seas
The richer the sea, the greater the competition. Explore our planet's green sea's on an all-new 'Blue Planet II', Saturday at 9/8c on BBC America.
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