- 1
Giant Stingray
Researcher Zeb Hogan travels to Cambodia to find and study the little-known giant stingray.
- 2
Sawfish
Follow Dr. Zeb Hogan on his journey to find the largest freshwater fish in Australia: the freshwater sawfish.
- 3
Great White Sturgeon
Follow Zeb Hogan as he goes in search of the biggest and oldest of North America's river monsters: the White Sturgeon.
- 4
Giant Stingray
Follow Dr Zeb Hogan on his quest to find what could be the world's largest and most deadly freshwater fish: the giant freshwater stingray.
- 5
Raging Amazon
Aquatic ecologist Dr. Zeb Hogan teams up with kayaking experts to discover what monster fish are lurking beneath the surface in Rio Roosevelt.
- 6
River Invasion
They are carp from Asia which can jump 10 feet in the air at the sound of a boat motor, turning a day on the water into a boxing match.
- 7
Alien Catfish
- 8
Alligator Gar
- 9
Thai Eden
- 10
Nile Giant
- 11
Ancient Beast
Dr Zeb Hogan travels to the American Midwest in search of the paddlefish, one of the largest, oldest and most bizarre -looking freshwater fish on the planet.
- 12
Himalayan Terror
- 13
Mekong Mystery
Giant freshwater fish are studied at Khone Falls on the Mekong River in Laos.
- 14
Kamchatka Salmon
- 15
Catfish King
Zeb Hogan travels to Spain in search of the invasive Wels catfish -- a monster fish capable of growing more than 8 feet long, eating birds, cats, and, as some legends claim -- even humans! The voracious predator is not native to the region, and biologists fear it could be destroying the local ecosystem.