Dr. Zeb Hogan is on a mission in the Indian Himalayas to investigate reports of a Goonch, a huge catfish that stalks, attacks and kills people.

Dr. Zeb Hogan goes to the Brazilian Amazon to figure out whether the shock of an electric eel is proportionate to the fishs size.

Zeb Hogan is searching for a goliath that's so elusive, he'll scour every nook and cranny of the rivers of the Pacific Northwest to find it.