The famous swimming pigs of the Bahamas may be in peril. Some believe that the local tiger shark population have acquired a taste for pork and may be feasting on these famous oink-sters.

Animal Planet's International wildlife conservationist and biologist Forrest Galante travels to the mysterious island of Papua New Guinea to definitively prove that sharks are evolving to walk on land.

Shark expert Kina Scollay and his elite team return with a unique one-man-submersible, the Mechashark, to a top-secret location off New Zealand attempting to do something that's never been done: locate a Great White shark mating ground."