Sharkadelic is back to find out if this summer will be the sharkiest on record. Snoop Dogg breaks down the craziest encounters, the wildest and most unpredictable reactions to discover if America is once again ground zero for the shark superstorm.

South African great whites are on the brink of extinction, but experts believe there is at least one breeder shark left in the water surrounding Bird Island. A team will search and tag the last female great white mature enough to carry on the species.

In the icy waters of Alaska, off populated beaches of New York and lurking in ghostly shipwrecks off the coast of North Carolina, scientists have discovered three sharks that have developed unique and deadly ninja skills.