Blue Planet II Series 1 Episodes Available now

Our Blue Planet
7/7 David Attenborough explores the issues behind the series' most spectacular stories.

Coasts
6/7 Coasts are the most changeable of the ocean worlds, but they offer great riches.

Green Seas
5/7 From enchanted forests to undersea prairies, the planet's green seas teem with life.

Big Blue
4/7 This vast ocean desert where sperm whales must dive 1,000 metres just to feed.

Coral Reefs
3/7 The ingenious ways life exists in the undersea cities of tropical reefs.

The Deep
2/7 A groundbreaking journey to the deepest parts of the oceans.

One Ocean
1/7 New worlds and animal behaviours are uncovered on a journey from the equator to the poles.