Synopsis

How Earth's five oceans connect to form the largest ecosystem on the planet, and how its network of currents supports the health of the seas and marine wildlife.

Further Information

More clips from A Perfect Planet

1: Volcano | A Perfect Planet

BBC One | 2021 | 59'09''

A look at how without volcanoes, there would be no life on Earth. Although destructive, magma from the planet's molten core builds land, and mi...

2: The Sun | A Perfect Planet

BBC One | 2021 | 58'03''

From the frozen poles to the searing deserts, this episode shows how animals have come up with strategies to survive the uneven amounts of sunl...

3: Weather | A Perfect Planet

BBC One | 2021 | 57'57''

How weather controls the distribution of freshwater on Earth, which in turn shapes the lives of animals in diverse habitats around the globe.

5: Humans | A Perfect Planet

BBC One | 2021 | 58'05''

Humans are changing our planet so rapidly, it's affecting Earth's life support systems: our weather, our oceans and the living world.

Animal conservation in the Amazon | A Perfect Planet

BBC One | 2010 | 3'43''

Spec references J247: B6.1b, B6.1c J250: B6.1b, B6.1c. Returning animals that have left the Amazon rainforest and gone t...

Atoll | A Perfect Planet

BBC One | 2021 | 3'06''

The formation of an Atoll.

Carbon dioxide | A Perfect Planet

BBC One | 2021 | 2'11''

Humans now release 100 times more carbon every year than all the Earth's volcanoes combined.

Coming back to life | A Perfect Planet

BBC One | 2021 | 2'08''

The Wood frog has an incredible defrosting ability.

Dangerous territory for the Land Iguana | A Perfect Planet

BBC One | 2021 | 2'10''

Land iguanas need specific temperatures for their eggs on a volcano rim in the Galapagos.

Elephant conservation | A Perfect Planet

BBC One | 2010 | 4'39''

Spec references J247: B6.1b, B61c. Impact of lack of water, due to change in weather, on elephants and conservation work to support ...

Fire ant raft | A Perfect Planet

BBC One | 2021 | 2'20''

Rafting fire ants in Peru find a way out of a bad situation.

How drought resistant trees help people in Senegal | A Perfect Planet

BBC One | 2010 | 3'44''

Spec references J247: B6.2a, B6.2b. Planting drought resistant trees in a dessert in Senegal. This invo...

How increasing carbon dioxide affects habitats | A Perfect Planet

BBC One | 2010 | 4'33''

Spec references J247: B6.1b, B6.1d J250: B6.1b. Release of carbon dioxide and how it impacts the weather. C...

Humans | A Perfect Planet

BBC One | 2021 | 58'07''

Earth is the only living world we know of, but a new force threatens our perfect planet. That force is us. Humans are changing our planet so rapidl...