This season Jeremy Wade leaves behind his beloved rivers & heads into new territory- the open ocean. Faced with stormy seas, deep-water dives, & extreme encounters- will Jeremy & his crew survive ...

In Argentina's Parana River, Jeremy Wade hunts for a vicious predator known as the "River Tiger", thought to be responsible for a bloody attack on a young swimmer.

Extreme angler Jeremy Wade travels to the Sepik river in Papua New Guinea to investigate a creature that is suspected of taking the lives of at least two fishermen.