Researchers were finally granted permission once again to delve into the mystery of Cuba's gigantic sharks in hopes of finding a giant hammerhead dubbed The Queen and a great white shark said to be as big as El Monstruo, a great white discovered in 1945 that was the largest to ever be recorded in Cuban waters.

Chef Guy Fieri and his son Hunter head to the Bahamas to check out the favorite local cuisine and to learn why sharks also love dining near these islands.

Deep sea divers Liz Parkinson, Mike Dornellas and Nick LeBeouf team up with oceanic filmographer Andy Casagrande to study shark behavior and determine what humans may do that may cause sharks to attack. They also reenact five real-life scenarios to find the best ways to survive a shark attack.