Seasons & episodes
S1 · E1One Ocean 2017-10-29 · 51 min
Oceans are explored to better understand the world beneath the waves.
S1 · E2The Deep 2017-11-05 · 53 min
A groundbreaking journey to the deepest parts of the oceans.
S1 · E3Coral Reefs 2017-11-12 · 50 min
The ingenious ways life exists in the undersea cities of tropical reefs.
S1 · E4Big Blue 2017-11-19 · 51 min
Animals go to the extreme to survive in the vast marine desert.
S1 · E5Green Seas 2017-11-26 · 53 min
Animals fight for space and food in a seasonal world of boom and bust.
S1 · E6Coasts 2017-12-03 · 50 min
Coasts are the most changeable, but they offer great riches.
S1 · E7Our Blue Planet 2017-12-10 · 60 min
Scientists reveal what the future holds for our oceans.