The giant freshwater stingray is possibly the biggest freshwater fish on the planet and Cyril has been called in by a team of researchers who need him to collect venom from stingrays in order to help develop an antidote. But for that he's going to have to get dangerously close to that vicious barb!

The wild coast of South Africa is known for its deadly shark attacks.

Cyril tries to catch a Nile perch, one of the world's biggest freshwater fish.

Cyril sets out to determine whether or not ocean predators are responsible for attacks on humans.

Deep in the dark waters of the Amazon jungle lives a fanged creature of nightmares.

Cyril travels to the dangerous swamps of Louisiana to track down a pair of predators lurking in murky waters.