In South Africa, two people are killed by great whites near the eastern cape, an area that hasn't seen an attack in decades. Scientists worry it could be the start of a series of attacks eerily similar to Black December in 1957, when six people lost their lives. Ryan Johnson, Gibbs Kuguru and Andy Casagrande head out to investigate the cause behind the spike in attacks before there's another fatality.

The numbers are in, and once again, Florida – specifically New Smyrna Beach – has earned the title of "The Shark Attack Capital of the World," accounting for 30% of global shark attacks. But why has the popular spring break, party beach become so deadly?  Forrest Galante and his team investigate before even more blood ends up in the water.

The most vicious and insane populations of bull sharks from Australia and America faceoff in a no-holds-barred showdown beneath the water. Bull Shark-attack survivor Paul de Gelder contends that his Aussie sharks are the toughest, while American shark biologist Dr. Craig O'Connell attempts to find the meanest sharks Florida has to offer to take the crown.