The myth of man-eating piranha is examined with actual demonstrations focusing on what triggers piranha attacks.

Jeremy investigates stories of people seen suddenly disappearing underwater without a trace in a river in India. Among the lethal candidates Jeremy examines swirling river currents, crocodiles and catfish.

Jeremy is on the hunt for an armor plated, 300 pound, river fish suspected of being a man-eater that lives, can you believe it, in the United States.

Is there really a fish nearly 10 feet long that has resulted in the disappearance of numerous fishermen in the amazon basin? If there is, Jeremy will catch it.

Are catfish as fearsome predators as their name sake terrestrial felines. Jeremy thinks so and he's looking to prove it. But it's a little four inch fish that turns his blood cold.

Jeremy wants to know what a shark is doing up river miles form the ocean, why it's munching on people and most important, did it bring some friends and relatives he can catch.