Something shocking is happening in the abyss around Guadalupe Island. Photos of great whites with strange scars believed to be from giant squids have surfaced. Dr. Tristan Guttridge leads a mission to get a glimpse into the battles between the two beasts.

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.