

41 minSeason 1 • Episode 6
LatestLearning how a population of bowhead whales, once hunted almost to extinction, is faring today; the team is the first to observe the feeding strategies of the deep-sea Greenland shark, an animal that can live for more than 400 years.
Traveling aboard the OceanXplorer, OceanX's state-of-the-art scientific research and exploration vessel, to investigate the farthest frontiers of the world's oceans, 80% of which are entirely unknown. Armed with advanced technology, a hand-picked team of intrepid explorers and scientists, National Geographic Explorers and other ocean experts embark on a global odyssey to solve some of the ocean's greatest mysteries through the lives of its animals and their ecosystems.
Cinematography
Submersible shots that'll ruin other nature docs
Practical Effects
Real sub dives, not CGI abyss monsters
Direction
Catalina balances spectacle with actual science
Creator
Brian Catalina
Trivia, insights & behind the scenes
The OceanXplorer vessel was originally built as a superyacht for a Russian oligarch before being converted to research—Hollywood couldn't write that redemption arc.
Asha de Vos became the first Sri Lankan National Geographic Explorer featured in a flagship series, representing a shift away from BBC-dominated ocean docs.