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.

When never-before-seen footage surfaces of a pack of orcas killing a great white, Dickie Chivell springs into action, building an underwater habitat called 'Shark House.'  His mission is to live on the sea floor for seven days, looking for the last remaining great white sharks in South African waters.