Dr. Austin Gallagher and his team of researchers including Liv Dixon, Zandi Ndhlovu, and Dr. Tristan Guttridge, investigate an aggressive population of Hammerhead Sharks in Turks and Caicos, which they believe could be an entirely new species.

There's a growing population of aggressive White Sharks in an unlikely location, Canada. Shark expert Andy Casagrande heads out on an expedition along Nova Scotia's coast to investigate a surge of Great White Shark encounters and figure out if this new population could be the largest in the world.

Global adventurer Josh Gates and shark biologist Tristan Guttridge team up with nature's deadliest predator to search for a lost wreck sunk by a Nazi U-Boat during World War II.