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.

Reports of predation by Wells catfish on humans dates back to medieval times. Jeremy tries to determine if the legend is likely to be true.

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.

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.