Josh Gates sends Phil Torres and Heather Amaro on their most perilous mission yet – tracking a legendary monster shark that lurks in the eerie waters of Malpelo Island, 300 miles off Colombia's coast. After terrifying footage of this monster is brought to Josh, he sends his fearless team deep into the ocean to unmask the true identity of this 20-foot-long predator.

Wildlife biologist Forrest Galante injects himself with shark venom after diving down under into Australia's dangerous waters, home to some of the weirdest, alien-like and deadly sharks.  He hopes this risky and potentially lethal experiment will bypass years of red tape to finally discover the potency of the venomous Port Jackson Shark and Ghost Shark.

Fifty years ago, Jaws changed the beachgoing experience forever – striking fear into millions of Americans who vowed to never go in the water again. Now, marine biologist Tom "Blowfish" Hird and predator ecologist Michelle Jewell re-examine the movie and dive with Great Whites to separate fact from fiction, answering questions like: does skinny dipping really attract great white sharks? Could a monster shark chew through a boat's hull?