Series · 2026 · Documentary
The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas.
1 season · 6 episodes

Episode 01
Tropical Seas
Warm waters and year-round sunshine create the perfect conditions for the ocean’s richest habitats to flourish, but survival here takes remarkable and surprising tactics.

Episode 02
Open Ocean
Beyond the horizon lies the vast Open Ocean, a mysterious wilderness teeming with extraordinary life that thrives against all odds.

Episode 03
Season Seas
Between the tropics and poles lie seas governed by the seasons. From storm-battered winters to the intense heat of summer, it's a world of extremes, but for those that can adapt, opportunity awaits.

Episode 04
Polar Waters
Polar waters help power global ocean currents, bringing epic wildlife spectacles and surprising animal behaviour far beyond the poles.

Episode 05
The Deep
Journey into Earth’s last great frontier, where cutting-edge technology reveals an extraordinary world hidden beneath the ocean’s surface.

Episode 06
Future Seas
Our ocean faces immense challenges, but we now have the tools to help it recover and there are incredible people around the world leading this fight.
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The third series of this nature documentary uses the very latest in underwater filming techniques to reveal brand new and untold stories from magical underwater worlds focusing on five major underwater habitats: the tropical seas, temperate seas, polar seas, high seas and deep seas.
1 principal cast
Blue Planet III is available to stream on Flicksy via 6 verified sources, aggregated from publicly available embed providers. The documentary has 1 season and 6 total episodes, rated 0.0/10 by — viewers.
Blue Planet III has 1 season with 6 episodes in total.
Blue Planet III is currently in production and returning for new episodes.
Blue Planet III airs on BBC One.
Blue Planet III first aired on November 1, 2026.
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