We have all seen the movies, sharks jumping into boats, circling in tornados, and risking their lives to attack humans. Could these shark feasts happen? Ian Ziering and Tara Reid pick up their chainsaws once again to see if a Real Sharknado could happen.

Dr. Craig O'Connell and Marc Payne return to where they unexpectedly filmed a juvenile great white during a past mission. Believing there's a nursery nearby, they follow the trail to a discovery that could change everything we know about great whites.

Dr. Pimple Popper has entertained millions with her extreme pimple popping videos. Now she heads to Turks and Caicos with Dr. Austin Gallagher to explore the world of shark skin and how she can apply the science they gather to help human skin issues.