In Florida, a rare event between top ocean predators was captured on video: bull sharks attacking a great hammerhead. Dr. Heithaus and a team of shark experts launch an investigation pinning one against the other. They put experiments to the test to see what happens when these top predators come head-to-head.

Cast:Mike Heithaus,

Genre:Documentary, TV Movie,

country:United States of America,

Production:National Geographic,