Former US Navy deep sea diver and marine naturalist Robin D. Berg and renowned shark expert Eli Martinez explore the surprising behavior of dangerous sharks, and now we know they are not just mindless killing machines.

Robin and Eli encounter the oceanic whitetip shark, one of the most dangerous sharks in the world.

Tiger sharks display a wide range of behavior, if you're playing in the surf or diving in deep water when you meet one, the experience can be quite different.

Eli and Robin join shark guide Keith Poe as we hunt for a monster mako shark.

Meet the Dusky Shark, a large predatory shark with a serious attitude that hunts coastal and offshore waters.