Tall tales of giant man-eating crocodiles inhabit a world between fact and fiction. The truth is that some crocodile species have been known to exceed 20 feet, such as Nile crocs, American crocs and the Asian-Pacific saltwater croc, which has been reported up to even 23 feet. Hosted by world-renowned herpetologist Romulus Whitaker, the program attempts to discover the last of these leviathans.