Two years ago, on the treacherous Kali River, high in the mountains of Northern India, Jeremy Wade unearthed the mother of all fisherman's tales and the ultimate freshwater horror: a super-sized freshwater fish turned man-eater. Jeremy takes on the biggest, toughest challenge he's ever faced as he heads back to the Himalayas to separate fact from fiction and track down the monstrous beast.

Biologist and extreme fisherman Jeremy Wade offers a retrospective of his harrowing attempts to reel in some of the largest freshwater fish in the world, including a man-eating catfish and a massive stingray in Thailand.

Jeremy re-lives his most heart-stopping encounters with the world's deadliest fish.

Angler Jeremy Wade re-lives his encounters with some of the world's most bizarre, and gruesome, freshwater monsters - beasts that can swallow you whole, swim up your private parts, or even eat you alive from within!

This two-part special — featuring long-lost footage never before seen by U.S. audiences — captures some of the biggest moments in Jeremy Wade's life. Journey back to 2002 in part one, "Amazon," as Jeremy searches for one of the world's largest freshwater fish: the arapaima. And in part two, "India," Jeremy travels to India in 2005 in search of a man-eating catfish called the goonch.

This two-part special — featuring long-lost footage never before seen by U.S. audiences — captures some of the biggest moments in Jeremy Wade's life. Journey back to 2002 in part one, "Amazon," as Jeremy searches for one of the world's largest freshwater fish: the arapaima. And in part two, "India," Jeremy travels to India in 2005 in search of a man-eating catfish called the goonch.

Jeremy Wade attempts to survive alongside some of the world's best tribal fishermen using spears, bows and arrows, and even spiders webs to catch his prey. These master fishermen live in a tropical island paradise, where they fish and swim in some of the most shark-infested waters on the planet. As Jeremy throws himself into South Pacific tribal life, he comes closer than ever to one of the world's ultimate predator.

An elite handful of fish are capable of living and thriving in both fresh and saltwater. Among these specialists are aggressive man-eaters, venomous giants and a wickedly armed beast that hails from a bygone age. In this special edition of River Monsters, biologist and extreme angler Jeremy Wade relives his thrilling encounters with some of these fearsome intruders that swim in from beyond the surf. Jeremy reveals how our understanding of these predators has shifted dramatically in recent years and answers pertinent questions about what draws these ocean-dwelling hunters into freshwater in the first place and how they are capable of crossing what is normally an impenetrable barrier.

A look at the ways marine animals attack and the physical attributes that make them so dangerous.

Is there a snakelike fish in New Zealand that could devour you? Or a fishlike being in Japan that stalks children? In this River Monsters Special, Jeremy Wade untangles fact from fiction as he re-lives the beasts that lie behind lethal legends.

Jeremy recalls close encounters with dangerous marine animals, including wolffish and whaler sharks.

Jeremy Wade is renowned for tracking down freshwater beasts, yet it's the untold stories of what happened along the way that are often the best. In this special 'Behind-the-Scenes' edition, Wade reveals how reeling in the big fish is often the easy part!

No other group of fish has such a diversity of horrors, or has spread so successfully around the world. Jeremy Wade re-lives his most intense encounters as he asks: Why are Catfish so often at the top of the suspect list?

The season four finale episode is a two-hour look into one of the most challenging expeditions of Jeremy Wade's life. He'll travel to the isolated and untouched jungles of Guyana, South America, where early explorers wrote about a river system filled with mysterious giants. Armed with only old journals and his rod, Wade embarks on an epic journey where he'll tackle the Essequibo — South America's third largest and least known river. He immerses himself in the culture of the Macushi Indians and must earn the trust of these native people in order to gather their knowledge and hear their stories. Once again he'll set out to separate fact from fiction. Are there terrifying ancient monsters still alive in this region's hostile waters?

Before Jeremy caught radioactive catfish in Chernobyl and killer stingrays in Colombia, he didn’t think Season 5 would bring any new or unusual river monsters.

He couldn’t have been more wrong:

“At the end of Season 4, I seriously wondered where we could possibly go from there. Surely we'd now run out of monsters. But thoughts of retirement, and warm cups of cocoa in my armchair, proved to be premature. We dug even deeper into fishing folklore and struck an unexpectedly rich seam of new stories, surprising discoveries and spectacular fish. It truly was an exceptional year of travels, surpassing all expectations, and these are the highlights...”