Angler Jeremy Wade heads to the Australian outback to try and catch the rare and fearsome freshwater sawfish, a shadowy predator said to be 18 feet long and known to attack boats.

Jeremy Wade travels to Japan, searching for two legendary monsters.

Jeremy fishes in the Alaskan wilderness and searches for a lake monster of native legend.

Jeremy travels to South Africa to catch a bull shark lurking in freshwater locales.

Wade faces one of his greatest fears to uncover increasing missing persons cases.

Jeremy looks into a series of grisly attacks at the site of the world's worst nuclear power plant accident.

Jeremy dives into western Australia's crocodile-infested Fitzroy River to catch an elusive, endangered shark.

Jeremy travels to the Amur River in eastern Russia, where a mammoth predator is allegedly responsible for the disappearances of three fishermen.

In a remote corner of Argentina, Jeremy Wade investigates the death of a young girl.

Jeremy tracks down eyewitnesses and survivors of piranha attacks, uncovering the fear behind the man-eater.

Jeremy Wade searches for the Amazon's notorious flesh eaters; a man is swallowed whole by a fish.

Jeremy investigates the case of a Bolivian man who had his face ripped off by a ferocious river predator, leading to a showdown with an old adversary.

Jeremy Wade is lured to the shores of the Mekong River in Cambodia to search for a monstrous fish that has mauled, blinded, killed and most recently sliced clean through a young man's testicle.

Jeremy goes on a dangerous mission from the Sea of Cortez in Mexico to Peru where he discovers a deep-sea devil.

Wade travels to Germany, where he meets victims of a beast seen raising its snout above the surface of freshwaters in Europe for the past 700 years; discovering the Wels catfish, an aggressive predator of man-eating proportions.

Traveling from London to Greenland and on to Norway, Wade follows the trail of an unknown sea monster; fishing through ice to extreme depths, he attempts to reel in this monster before the full fury of an Arctic storm hits.

Jeremy is surrounded by dense jungle and hostage-taking rebels when he investigates the death of a bride in the Colombian Amazon.

Jeremy visits a waterfall in the Pacific Northwest where an ancient creature allegedly attacks swimmers.

Jeremy Wade searches for a two-hundred year old legend.

Jeremy Wade ventures to Africa's Rift Valley to explore the roots of fishing and the monsters the first fishermen faced; a dangerous place, the valley hosts killer crocs, hippos and warring gangs, but also a worthy prize: the Mputa, aka Nile Perch.

Jeremy's quest to locate the legendary Loch Ness Monster takes him from the depths of the Scottish lake to the volcanoes of Iceland.

There appears to be dramatic evidence that some of the world's most iconic rivers are in declining health. Biologist, extreme angler and Animal Planet favorite Jeremy Wade ("River Monsters") investigates the disappearance of freshwater giants from the planet's largest waterways. He talks with people who live along the Amazon, the Ganges, the Yangtze, the Mississippi, the Danube and the Zambezi to understand how exploitation and pollution have degraded these rivers that were once home to his beloved monster fish. By gathering evidence, Jeremy learns about the rivers' health and sustainability and what is being done to save them.

Before heading off on his next journey, Jeremy Wade counts down the biggest catches in "River Monsters" history.

British adventurer and cinematographer Richard Terry travels to faraway jungles and remote islands in search of the truth behind stories of unknown creatures attacking, and killing, humans. In the Amazon rainforest, Terry is on the trail of a huge spider said to be attacking villagers; in southern Mexico, reports of a terrifying creature that attacks locals at night sends Terry into the jungles of Chiapas to investigate; and in the Indonesian archipelago, Terry island hops to expose a giant, blood-thirsty reptile that preys on livestock and humans.

Biologist Jeff Corwin explores the world, exposing and explaining aspects of the diverse animal kingdom. In an educational show that's also made to entertain, Corwin shares his experiences with viewers on fascinating trips into the wild, which is as close as people can get without actually being there themselves.

Extreme angler Jeremy Wade goes in search of the biggest and most dangerous fish.

Popular Animal Planet personality Jeremy Wade, the nine-season star of the network's top-rated series "River Monsters," returns to waterways across the globe to investigate reports of the unimaginable and unexplained. He takes viewers on journeys beneath the water to remote areas, to islands lost in time and out into the open ocean to investigate reports that include entire fish species suddenly disappearing; unexplained sightings of mythical beasts; once thriving rivers now empty; and genetic oddities that may have produced the biggest monsters yet.

Long-lost footage of a young Jeremy Wade searching for freshwater monsters.

Evidence suggests that species thought to be extinct are still very much alive, and wildlife biologist Forrest Galante ventures from the Florida Everglades to remote jungles in a search for the truth. Galante explores actual stories behind these creatures' purported demise and, using evidence like eyewitness accounts and last known photos, tries to prove their existence so he can protect them and help them thrive again. In Zanzibar, Forrest reveals species that have never before been filmed and captures evidence that leads to an unforgettable conclusion. Elsewhere, the investigation takes him to Taiwan for the Formosan clouded leopard, the frozen tundra of Newfoundland for the Newfoundland white wolf, and to the island of Madagascar to look for any trace of the giant Pachylemur.

Australian host Steve Irwin and his wife Terri run a wildlife refuge. Their shared passion is educating the world about wildlife, including the much feared crocodile and numerous venomous snakes. Steve's speciality is the capture and relocation of crocodiles. No animal appears too threatening to Steve, his true respect for animals is the foundation for everything he does.