Andy Casagrande

High-flying sharks are back, but with a new team competing to be the next "top guns" of Air Jaws.

Marine biologist Kori Garza and cinematographer Andy Casagrande track a huge tiger shark.

With reports of enormous fat white sharks appearing off the coast of New Zealand, scientists Tom Hird and Leigh de Necker set out to find one of these behemoths and determine if the great white can reach a staggering 6,000 lbs.

Nat Geo WILD goes on a search for America's 'big five.' Can America compete with Africa's beasts?

Legendary boxer Mike Tyson is BACK, taking on a new challenge and he's chosen the most unlikely training partner -- sharks. Tyson will face his fears and square up with the ocean's champions to learn how to TKO a shark all in the name of research.