World champion freediver Marina Kazankova is on a mission, to free dive the Great Barrier Reef.
Capable of holding her breath for 7-minutes at a time, Marina travels to the iconic reef, swimming with turtles and giant groper, diving on ship wrecks and through awesome caves, all on a single breath of air.
Capturing each challenge in glorious 4K, this series brings you face to face with the very best of the Great Barrier Reef’s corals and creatures.
