Researchers follow-up on two great white shark males that are believed to be brothers. Never before have great whites been seen to associate, and the team works at the Isle of Jaws off Western Australia to find answers.
Scientists believe that monster sharks make their home under the Old Seven Mile Bridge. Fishermen claim that one of the sharks is a 18-foot long, one-ton great hammerhead named Big Moe. If this is true, he will be the largest hammerhead on the planet.
Adam Devine and a team of marine biologists deploy a CATS camera tag on a massive tiger shark, and it yields a surprising scientific discovery; a secret tiger shark lair.
Mysterious and bizarre alien sharks lurk far beneath the waves in remarkably deep waters where researchers strive to make first contact. Pursuing the elusive frilled shark, sleeper shark and cookie cutter shark brings even more unexpected encounters.
