Great Blue Wild

The Pacific coast of Costa Rica is a biodiversity hotspot that hosts nearly 5,000 species of marine life. But in this undersea jungle, the ocean's top predators, sharks, are at risk, threatened by loss of habitat and overfishing.

The Wild Coast of South Africa is comprised of rivers that empty into the sea and indigenous forest.

Great Blue Wild joins the world's leading marine ecologists on a voyage of discovery as they venture to remote corners of the planet, uncover ocean secrets and fight to defend the endangered animals struggling to survive in our threatened seas. Dive deep with whale sharks and dolphins, brave dang...

The ocean sprawls across 70 percent of the planet and is home to as many as one million known species of plants and animals, but it is the smallest of marine creatures that underpins the world's largest food web, plankton. These microscopic organisms drift through the ocean's diverse habitats, tr...

The coast of Mozambique is known for its giants: from the humpbacks that visit each winter to the resident whale sharks that feed there year-round. Yet, a closer look reveals a secretive world of tiny species that few have explored, but they are just as important to the ecosystems that they inhab...