Season 5

1. World's Biggest Stingray

2014-07-07 · 44m

Thailand's giant stingrays and the whip rays of Australia can grow up to 16 feet and 1,300 lbs.

2. River Wolf

2014-07-14 · 44m

Wolf fish, known locally as haimara, can reach a metre in length and is said to hunt humans.

3. Amazon Shocker

2014-07-21 · 44m

There's a freshwater fish with a shock five times more powerful than a US wall socket.

4. Frankenfish

2014-07-28 · 44m

The Thai snakehead is said to be able to move on land, and has apparently spread to US waters.

5. Silver Devil

2014-08-04 · 44m

In Nicaragua, Zeb faces his most difficult battle hunting for one of the biggest monsters.

6. River Jaws

2014-08-11 · 44m

Some shark species can survive in freshwater as well as salt.