Season 1

1. Giant Stingray

2009-07-13 · 44m

Researcher Zeb Hogan travels to Cambodia to find and study the little-known giant stingray.

2. Sawfish

2009-09-19 · 44m

Follow Dr. Zeb Hogan on his journey to find the largest freshwater fish in Australia: the freshwater sawfish.

3. Great White Sturgeon

2009-09-21 · 44m

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

2009-09-26 · 44m

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

2009-09-28 · 44m

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

2009-10-03 · 44m

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

2009-10-05 · 44m

8. Alligator Gar

2009-10-10 · 44m

9. Thai Eden

2009-10-12 · 44m

10. Nile Giant

2009-10-17 · 44m

11. Ancient Beast

2009-10-19 · 44m

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

2009-10-24 · 44m

13. Mekong Mystery

2009-10-26 · 44m

Giant freshwater fish are studied at Khone Falls on the Mekong River in Laos.

14. Kamchatka Salmon

2009-10-31 · 44m

15. Catfish King

2009-11-02 · 44m

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.