To track invasive species in Florida, Cyril must first earn the trust of the rugged Gladesmen by catching a python and swimming with wild alligators.

To track invasive species in Florida, Cyril must first earn the trust of the rugged Gladesmen by catching a python and swimming with wild alligators.

Cyril braves the wilds of northern Canada to pursue one of the most aggressive fish on the planet, the fang-toothed northern pike.

Cyril braves the wilds of northern Canada to pursue one of the most aggressive fish on the planet, the fang-toothed northern pike.

Inspired by Hemingway’s "The Old Man and the Sea," Cyril sets out to hand-line a monster fish in a tiny boat and ends up in the battle of his life.

Inspired by Hemingway’s "The Old Man and the Sea," Cyril sets out to hand-line a monster fish in a tiny boat and ends up in the battle of his life.

Invited by the Innu tribe to track giant lake trout in Canada, Cyril must deal with 4-foot-thick ice, marauding wolves and other new challenges.

Invited by the Innu tribe to track giant lake trout in Canada, Cyril must deal with 4-foot-thick ice, marauding wolves and other new challenges.

In Cuba, Cyril pursues two elusive beasts: the legendary barracuda and the tarpon, known for its acrobatics and fighting skills.

In Cuba, Cyril pursues two elusive beasts: the legendary barracuda and the tarpon, known for its acrobatics and fighting skills.

In an exciting journey that begins at the Notre Dame cathedral, Cyril chases a mysterious giant fish rumoured to frequent Paris.

In an exciting journey that begins at the Notre Dame cathedral, Cyril chases a mysterious giant fish rumoured to frequent Paris.

To get to Brazil's largest prehistoric fish, the endangered arapaima, Cyril must wade through swamps infested with piranhas, caimans and anacondas.

To get to Brazil's largest prehistoric fish, the endangered arapaima, Cyril must wade through swamps infested with piranhas, caimans and anacondas.

In Texas, Cyril prepares to face the needle-like fangs of the mysterious alligator gar, while trying his best to avoid another ancient beast.

In Texas, Cyril prepares to face the needle-like fangs of the mysterious alligator gar, while trying his best to avoid another ancient beast.