A night out goes terribly wrong when a shark attacks in a city canal. But this victim isn't alone in her urban tale. City waters are primed with hungry sharks ready to encounter residents.
A surfer's ambushed from below by a great white shark. He manages to escape - but his bitten board shows just how close of a call it was. Cases like this prove that sharks have mastered the art of the sneak attack.
A vicious attack occurs during a shark feeding in South Africa. With plenty of bait in the water, researchers wonder if sharks are beginning to see humans as competition for food.
A spear fisherman is mauled by a shark during a dive in the Bahamas. Researchers wonder if animals in the wild can offer clues of how to outsmart these perfect predators.
A diver is attacked during a routine move of a sand tiger shark in an aquarium. He survives, but is badly injured...leaving scientists baffled. Then, researchers discover the shark was pregnant.
On the North Carolina coastline, a spear fisherman dives a shipwreck and encounters a gang of aggressive sharks. Investigators are on a mission to find out why sharks are drawn to these human-made structures.
A shark robs a spear fisher of his catch and almost his arm. The usual suspects are Great Whites, Tigers, or Bull Sharks. But footage reveals a surprising assailant.
