Packed with jaw-dropping footage and fascinating science, Cannibal Sharks investigates the shocking world of shark on shark predation. A stunning discovery that originated in Australia kick starts an investigation that takes viewers around the world on the trail of shark-eating sharks, with the world’s leading shark experts are on hand to reveal why and how it happens. In one episode, production crews from West Sussex, UK visited PBC’s coast to capture remarkable drone and underwater footage of Hammerheads targeting one of the largest gatherings of sharks on Earth - the annual Blacktip shark migration. Feast your eyes on the premiere of Cannibal Sharks on National Geographic on July 14 at 10pm and Nat Geo Wild on July 22 at 10pm. See more at natgeotv.com/int/cannibal-sharks.