Shark expert Kina Scollay and his elite team return with a unique one-man-submersible, the Mechashark, to a top-secret location off New Zealand attempting to do something that's never been done: locate a Great White shark mating ground."

A team of shark experts re-imagine ancient diving bell technology to create a research platform they call Shark Dome. Dr. Austin Gallagher and Andre Musgrove enter the Shark Dome to allow them to free dive at depth and get closer to great white sharks than ever before.

Tracy Morgan teams up with shark experts throughout the country to identify the craziest and most ferocious sharks in the ocean. From rare species to stealth predators, Tracy shows off his favorite sharks and their incredible capabilities and adaptations.