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Blue Planet III·BBC One

All episodes

1 season · 6 eps

Season 1

S1 · E1 58 min

Tropical Seas Episode 1

Wubly rating 8.5 · You

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.

S1 · E2 58 min

Open Ocean Episode 2

Wubly rating 8.4 · You

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

S1 · E3 59 min

Season Seas Episode 3

Wubly rating 8.4 · You

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.

S1 · E4
Airs Nov 22, 2026

Polar Waters Episode 4

Nov 22, 2026
You

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

S1 · E5
Airs Nov 29, 2026

The Deep Episode 5

Nov 29, 2026
You

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

S1 · E6
Airs Dec 6, 2026

Future Seas Episode 6

Dec 6, 2026
You

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.

6 episodes in Season 1

Some details come from TheTVDB.

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