Jeremy Wade investigates a creature that is being said to snatch swimmers from the surface of the water in the West Indies; the half-shark, half-octopus known as the Lusca.

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 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.

On the tropical island of Sulawesi, Indonesia, a tourist snorkeler and several local fishermen have been killed and injured by a mysterious sea creature that impales its victims; Wade travels to the scene to investigate.

Jeremy Wade goes on a quest to find the one, true, legendary sea serpent; he treks from a horrifying attack in the English Channel to the darkest depths of the Mediterranean Sea; an aftershow follows the program.

On a volcanic island in the Pacific, terror grips a fishing community when something in the water leaves a trail of bloody victims in its wake; the only clues they have to the attacker's identity are the large puncture wounds it left behind.

A recent fatal incident in the Alaskan wilderness sends Jeremy on a quest for possible suspects that culminates in a showdown with an unexpected, bizarre water beast.

After two men vanish from a remote lake in Malaysia, Jeremy sets out to find the possible culprit; a trail of evidence leads Jeremy into an ancient rainforest, where an old adversary lies in wait.

Jeremy Wade returns to the Okavango Delta to re-investigate a predatory carnivore that may have mauled over 100 victims of a capsized boat; to discover the truth, Jeremy offers himself up as live bait.

Jeremy Wade investigates a case in Nepal that sounds strangely familiar -- a lone fisherman dragged off his feet and into a mountain river by the original river monster, the goonch catfish.

Investigating reports of a creature terrorizing the Florida Keys that is so violent it slices through flesh and breaks bones.

Six men disappear in the remote waters of Northern Australia; Jeremy must face some of Australia's deadliest animals in his quest for a culprit.

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

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 searches for a two-hundred year old legend.

Jeremy Wade investigates rumors of a twenty-foot lake monster that attacks people; with snakes, freshwater sharks and giant sturgeon unlikely possibilities, the answer as to what it is drives Jeremy crazy.

Jeremy travels to Central America to locate a man-sized beast that reportedly leaps into boats and inflicts devastating injuries upon fishermen.

The rivers of Guyana may host a real freshwater mermaid that the locals call the Water Mama.

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

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.

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.

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.

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

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

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.

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.

Dazzling, state-of-the-art high-definition imagery highlights this breathtaking documentary series featuring footage of some of the world's most awe-inspiring natural wonders -- from the oceans to the deserts to the polar ice caps. Actress Sigourney Weaver narrates this American version of the original BBC production.

The planet and its wildlife.