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These are home to mysterious undersea forests
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Oceans: Our Blue Planet

These are hometo mysterious undersea forests

These are home
to mysterious undersea forests

Full Transcript

00:00:01.000 --> 00:00:05.334
These are home to mysterious undersea forests.
Duration
5 seconds
Views
43
Timestamp in Movie
00:13:24
Uploaded
Jun 22, 2025
Genres
documentary, short
Production
OceanX Media,BBC Earth,BBC Studios Natural History Unit

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Movie Summary

Embark on a global odyssey to discover the largest and least explored habitat on earth. New ocean science and technology has allowed us to go further into the unknown than we ever thought possible.
Giant kelp, a seaweed, - Oceans: Our Blue Planet 00:12
Giant kelp, a seaweed,
Marine plants are the lungs of our planet. - Oceans: Our Blue Planet 00:04
Marine plants are the lungs of our planet.
They pump out as much oxygen - Oceans: Our Blue Planet 00:07
They pump out as much oxygen
Within their tangled undergrowth, extraordinary discoveries await. - Oceans: Our Blue Planet 00:06
Within their tangled undergrowth, extraordinary discoveries ...
In the shark-filled kelp forests of Southern Africa - Oceans: Our Blue Planet 00:09
In the shark-filled kelp forests of Southern Africa
Pyjama sharks are every octopus' worst nightmare. - Oceans: Our Blue Planet 00:05
Pyjama sharks are every octopus' worst nightmare.
But the octopus has a trick up her sleeve. - Oceans: Our Blue Planet 00:04
But the octopus has a trick up her sleeve.
In a behaviour previously unknown to science, - Oceans: Our Blue Planet 00:11
In a behaviour previously unknown to science,
Superior wits allow this octopus to stay alive. - Oceans: Our Blue Planet 00:06
Superior wits allow this octopus to stay alive.
But just as we're getting to know these forests, - Oceans: Our Blue Planet 00:06
But just as we're getting to know these forests,
Off north America's pacific coast, great stands of kelp - Oceans: Our Blue Planet 00:06
Off north America's pacific coast, great stands of kelp
By armies of ravenous sea urchins. - Oceans: Our Blue Planet 00:04
By armies of ravenous sea urchins.
They much through the roots with razor-sharp teeth. - Oceans: Our Blue Planet 00:05
They much through the roots with razor-sharp teeth.
But some kelp forests here have unlikely guardians. - Oceans: Our Blue Planet 00:06
But some kelp forests here have unlikely guardians.
Because they live their entire lives in such cold waters, - Oceans: Our Blue Planet 00:10
Because they live their entire lives in such cold waters,
One of their favourite foods is sea urchin. - Oceans: Our Blue Planet 00:05
One of their favourite foods is sea urchin.
By removing the urchins, - Oceans: Our Blue Planet 00:06
By removing the urchins,
And with all this food, they're having a baby boom. - Oceans: Our Blue Planet 00:06
And with all this food, they're having a baby boom.
Now, in a few remote areas, - Oceans: Our Blue Planet 00:11
Now, in a few remote areas,
As we leave our coasts and head for the high seas, - Oceans: Our Blue Planet 00:07
As we leave our coasts and head for the high seas,