Oceans

The team explores threats to the Sea of Cortez off the coast of Mexico.

Investigating why parts of the Southern Ocean are warming twice as fast as the rest of the world's oceans; in search of the weedy sea dragon; exploring kelp forests to investigate how they're threatened.

Exploring the remote Southern Red Sea; the Southern Red Sea is teeming with marine life and home to some of the warmest waters on the planet; investigating whether the coral can help other coral reefs threatened by global warming.

The team explores a corner of the Atlantic Ocean; the Atlantic Ocean is the youngest of the great oceans and critical in influencing climate; a dangerous dive into a "black hole."

The team explores the remote and pristine underwater worlds of the Indian Ocean; the team investigates how schools of manta ray suffering from shark bites are treated by the inhabitants of a remarkable reef; in search of the dugong.

Exploring the coastal waters of the Indian Ocean to discover what happens when its power collides with the edge of a continent; searching for one of the ocean's most mysterious creatures, the seahorse.