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Blue Planet III

BBC iPlayer Documentary Nature Next s01e04 · 2026-11-22 · 06:00 Not rated yet

What it is

Blue Planet III will build on its groundbreaking legacy, redefining the realm of possibility in underwater wildlife film-making. Taking the wonder, immersion, and discovery of the Blue Planet brand to extraordinary new depths, it will reveal brand new and untold stories from magical underwater worlds. Combining our deeper understanding of the oceans with a whole new generation of camera technology, we can now showcase stunning stories and extraordinary behaviours, previously impossible to film or only recently discovered.

Episode highlights

Last episode

Seasonal Seas

s01e03 · 2026-11-01 · 06:00

Next episode

Polar Waters

s01e04 · 2026-11-22 · 06:00

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Episode guide

6 this season · 6 total
s01e01 Tropical Seas 2026-11-01 06:00

Tropical Seas

s01e01 · 2026-11-01 · 06:00

In the tropical seas, year-round sunshine has created the perfect conditions for the ocean's richest habitats to flourish, but survival takes remarkable and surprising ingenuity.

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s01e02 Open Ocean 2026-11-01 06:00

Open Ocean

s01e02 · 2026-11-01 · 06:00

Beyond the horizon lies the vast open ocean, a world teeming with extraordinary life where giant blue whales, tiny drifting crabs and tenacious turtles thrive against all odds.

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s01e03 Seasonal Seas 2026-11-01 06:00

Seasonal Seas

s01e03 · 2026-11-01 · 06:00

From winter storms to scorching summers, seasonal seas push animals to be resourceful, adaptable and adventurous. Those who can survive these dynamic seas reap rich rewards. 

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s01e04 Polar Waters 2026-11-22 06:00

Polar Waters

s01e04 · 2026-11-22 · 06:00

No episode summary is available.

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s01e05 The Deep 2026-11-22 06:00

The Deep

s01e05 · 2026-11-22 · 06:00

No episode summary is available.

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s01e06 Future SeasNext up 2026-11-22 06:00

Future Seas

s01e06 · 2026-11-22 · 06:00

No episode summary is available.

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