River Monsters - Season 4 (2012)

Angler Jeremy Wade returns to the remote rivers of India's Himalayas to investigate a fresh spate of savage attacks. Jeremy thinks he knows the perpetrator's identity, but his plans to catch the monster hit trouble when he learns it's a sacred animal.

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 ...

Extreme angler Jeremy Wade heads to Russia's remote Amur River, where the mysterious deaths of three men appear to be linked with a reclusive freshwater giant. The prime suspect is a predator that can top a ton and exceed eighteen feet in length.

When he hears of a recent bloody attack in a remote Mongolian river, angler Jeremy Wade wonders if it could be the work of a giant fish so rare that it's more legend than fact. Pound for pound, this man-sized monster is said to be one of the strongest.

Jeremy Wade returns to Australia's predator-packed Fitzroy River in search of one of the world's rarest and least known fish - the Northern River Shark. It's so elusive that only twenty have ever been caught.

Jeremy Wade explores the hostile wildness of the Essequibo, Guyana's largest river and one of South Americas best kept secrets. Armed with only old journals and his rod, Jeremy is on a mission to discover if monsters of the past still exist.

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 fish-like 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 wolf-fish and whaler sharks.

Jeremy discusses a few species of catfish he has come across that strike him as the most deadly and dangerous of the catfish family

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