E1 - One Ocean

Aired: October 29, 2017

Oceans are explored to better understand the world beneath the waves.

E2 - The Deep

Aired: November 05, 2017

A groundbreaking journey to the deepest parts of the oceans.

E3 - Coral Reefs

Aired: November 12, 2017

The ingenious ways life exists in the undersea cities of tropical reefs.

E4 - Big Blue

Aired: November 19, 2017

Animals go to the extreme to survive in the vast marine desert.

E5 - Green Seas

Aired: November 26, 2017

Animals fight for space and food in a seasonal world of boom and bust.

E6 - Coasts

Aired: December 03, 2017

Coasts are the most changeable, but they offer great riches.

E7 - Our Blue Planet

Aired: December 10, 2017

Scientists reveal what the future holds for our oceans.