S3 E1 • The Mutilator

Jeremy Wade travels to Papua New Guinea to investigate a spate of bizarre deaths on one of the world's last great unexplored rivers, the Sepik. A creature there is tearing chunks from unsuspecting fishermen and devouring certain male body parts. Jeremy has never fished in this part of the world and knows little of what might be there. Nothing could prepare him for what he discovers.

S3 E2 • Flesh Ripper

Jeremy Wade is on the trail of a mysterious man-eater. New Zealand's fresh waters have been a safe place for swimmers, yet as Jeremy finds out, its remote rivers and deep lakes provide refuge for an ancient and slippery predator that can stay hidden for more than a century. To flush one out, he must put himself on the menu.

S3 E3 • Silent Assassin

Jeremy Wade travels to the Paraná River in the remote northeast corner of Argentina to investigate the death of a young girl. Once there, he discovers a second death. The people who live along this river bank fear the creature they call "River Dog." This is a new species to Jeremy, a river monster that somehow got under his radar. His discovery is not only the most alien of all river monsters, it is also the largest totally freshwater river monster Jeremy ever has caught!

S3 E4 • Chainsaw Predator

Jeremy Wade heads to a remote river in the Australian Outback to try and catch the rare but fearsome freshwater sawfish. This shadowy predator is reputed to reach 18 feet long and attacks boats — but does the fact that it could slash Jeremy to shreds make it a killer? And why is this bizarre-looking sea monster swimming hundreds of miles inland?

S3 E5 • Electric Executioner

Jeremy Wade travels to Brazil's "wild west" in search of a river monster that has killed three cowboys. The search for the culprit sends him deep into prospecting cattle country, where he discovers the shocking truth about a fish he's never caught before. He has to combat all his fears to catch this monster, and after a long chase, Jeremy finally corners his elusive prey in the most unexpected place. All he has to do then is catch it without getting killed.

S3 E6 • Cold-Blooded Horror

Having never been to Japan, Jeremy Wade is entering new territory in more ways than one. The river monsters there are like no others he ever has encountered, from the devastating "Namazu," which legend says causes earthquakes, to a child-snatching killer called the "Kappa." Can our extreme fisherman uncover the truth behind these legends? Can he catch a monster in the rivers of Japan that reveals the reality behind these horrific tales? He is about to find out.

S3 E7 • Jungle Killer

Jeremy Wade sets out to discover the true river monster of South America. Piranhas get all the press, but is there a more fearsome predator lurking in its rivers? Tipped off by an account of an attack on a diver, Jeremy soon discovers that there is a real monster to find. Tipped off by the the local Amerindian tribe, Jeremy heads deeper and deeper into the remote jungles of Suriname to come face to face with a jungle killer like no other.