President Barack Obama narrates this documentary series that gives viewers unprecedented access to some of the most unexplored realms of our planet by using cutting-edge scientific research and newly-developed underwater filmmaking technology.

The footage captured contains stunning action sequences, eye-popping drone footage, intimate seabed closeups, and countless never-before-seen animal behaviors. Many of these resourceful and resilient creatures face new challenges and develop astounding skills made necessary by the changing waters around them.