Ninja Sharks: Mutants Rising

In the icy waters of Alaska, off populated beaches of New York, and lurking in ghostly shipwrecks off the coast of North Carolina, scientists and shark experts Dr. Craig O’Connell, Joe and Lauren Romeiro, Avery Paxton, Madeline Marens and Hap Fatzinger have discovered three sharks that have developed unique and deadly ninja skills. (Discovery Networks)