The BEST Episodes of River Monsters

Every episode ever - ranked by fan votes!

Last Updated: Nov 8, 2019

Network: Animal Planet

Extreme angler, Jeremy Wade, is on the hunt for freshwater fish with a taste for human flesh. This rip-roaring ride through the dark side of nature mixes action and adventure with mysteries, edge of the seat chase and a battle of wills between man and almost supernatural beasts who lurk in the serpentine waterways of the planet, mooching murderously underwater, growing to truly awesome sizes. Watch as Jeremy Wade deconstructs exactly how these river monsters are constructed to kill.

River of Blood

#1 - River of Blood

Season 6 - Episode 3

A brutal underwater mutilation of a young man leads Wade to a face-to-face confrontation with one of South America’s greatest freshwater fighting fish that slashes and stalks its prey while living in one of Argentina’s most dangerous waterways.

star 8.11
93 votes
Pack of Teeth

#2 - Pack of Teeth

Season 4 - Episode 2

In Southern Africa there are rumors of a terrifying river monster lurking in the eerie waters of the Okavango Delta. Witnesses say the fish have shark-like teeth and hunt in frenzied packs on schools of fish — and maybe even on human bodies. It sounds mysteriously like the work of giant piranhas, but there's nothing like that here. Or is there? Jeremy Wade sets out to uncover the truth.

star 8.08
79 votes
Man-Eating Monster

#3 - Man-Eating Monster

Season 6 - Episode 4

All over the Amazon, Jeremy Wade has heard stories of a monster fish that grows so large, it’s said to swallow men whole. Locals call it the lau-lau but after 20 years of searching, from Peru to Brazil and Colombia, the evidence Jeremy needs - a single colossal specimen - stills eludes him. Now though, he’s discovered a secret, untouched location deep in Guyana’s remote rainforests where he suspects they may be thriving. Embedding himself in the wild jungle, this time it’s different: he’s not coming back until he catches it.

star 8.07
75 votes
The Mutilator

#4 - The Mutilator

Season 3 - Episode 1

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.

star 8.05
68 votes
Killer Torpedo

#5 - Killer Torpedo

Season 5 - Episode 3

Angler Jeremy Wade ventures deep into the heart of Central America in search of a man-sized killer said to leap into boats and cause fatal injuries as it knocks fishermen unconscious and smashes their bones.

star 8.05
83 votes
Invisible Executioner

#6 - Invisible Executioner

Season 4 - Episode 3

It's common knowledge that crocodiles and hippos are deadly predators in Zambian waterways, but it seems there's another monstrous beast stalking the treacherous Zambezi River. The locals call this river monster "the Mazunda" but Jeremy Wade is unfamiliar with any fish by that name. Will he uncover what the sinister creature — said to be able to swallow a child — really is?

star 8.03
75 votes
Colombian Slasher

#7 - Colombian Slasher

Season 5 - Episode 4

A honeymoon bride is dragged to her death in the Colombian Amazon. The most dangerous country in South America, Colombia is known for drugs, remote jungles and hostage-taking rebels. Jeremy Wade’s investigation is turned on its head by a crucial piece of evidence. He concocts a farfetched hypothesis about the bride’s death and in proving it he uncovers a little known method of killing which reveals the true horror of this tragic story. To complete the puzzle Wade pushes himself and his gear past the breaking point to understand what killed the bride in Colombia’s Rivers of Blood.

star 8.03
76 votes
Cold-Blooded Horror

#8 - Cold-Blooded Horror

Season 3 - Episode 6

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.

star 8.02
53 votes
Atomic Assassin

#9 - Atomic Assassin

Season 5 - Episode 2

Extreme angler Jeremy Wade is on the trail of a monster that leads him to the site of the worst nuclear accident in history - Chernobyl. In a nerve-shredding race against radiation and time, he searches for the perpetrator of a series of grizzly attacks.

star 8.01
108 votes
Devil of the Deep

#10 - Devil of the Deep

Season 8 - Episode 6

Extreme angler Jeremy Wade's cases usually involve freshwater culprits, but with multiple reports of a deep water serial killer in Mexico's Sea of Cortez, he must step out of his comfort zone and into uncharted depths in search of the red devil.

star 8.00
6 votes
Jungle Killer

#11 - Jungle Killer

Season 3 - Episode 7

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.

star 7.96
52 votes
Demon Fish

#12 - Demon Fish

Season 2 - Episode 7

Jeremy Wade journeys to the infamous Congo River in Africa in search of the world's most ferocious fish. This supernatural monster predator pushes Jeremy to his physical and mental limit. It requires all of his skills and the help of a witch doctor.

star 7.95
61 votes
Silent Assassin

#13 - Silent Assassin

Season 3 - Episode 3

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!

star 7.95
64 votes
Face Ripper

#14 - Face Ripper

Season 5 - Episode 1

Angler Jeremy Wade investigates his most disturbing case yet - the story of a man who had his face ripped off in a remote Bolivian river. The journey through dangerous jungle ends with a confrontation with one of his oldest adversaries.

star 7.92
95 votes
Killers from the Abyss Super-sized Q&A

#15 - Killers from the Abyss Super-sized Q&A

Season 9 - Episode 1

Fishing detective, Jeremy Wade, embarks on the biggest and most complex investigation of his career; to unravel the mystery of what happened to the passengers of a ship torpedoed in the mid-Atlantic during World War II.

star 7.91
206 votes
Killer Snakehead

#16 - Killer Snakehead

Season 2 - Episode 2

Angler Jeremy Wade sets his sights on an aggressive Far Eastern predator that's now invading America's backyards. Accused of homicide, and said to breathe air and crawl on land, the Snakehead is a monster that sounds more like a gangster than a fish.

star 7.86
73 votes
Jungle Terminator

#17 - Jungle Terminator

Season 6 - Episode 2

Three mysterious deaths in three countries lead Wade on an adventure where he must team up with a remote and secretive tribe that has a unique and death-defying way of catching these culprits.

star 7.86
123 votes
Amazon Apocalypse

#18 - Amazon Apocalypse

Season 6 - Episode 1

Looks back at one of the Amazon’s largest maritime disasters, the sinking of the Sobra Santos. Witnesses and surviving passengers retell the story of the event, in which as many as 200 passengers lost their lives. Something in the water is being blamed for many of the deaths, and Jeremy Wade wants to find out what that might have been

star 7.85
116 votes
Amazon Assassins

#19 - Amazon Assassins

Season 1 - Episode 5

In the darkest depths of the Amazon lurks a dinosaur. Legends tell of an evil spirit inhabiting an enormous fish. Taller than a man, it is covered in scales and crushes its prey with a tongue made of bone. Jeremy Wade has encountered this creature once before, and he came out second best. He's taking no chances in the rematch.

star 7.85
86 votes
Deep Sea Demon

#20 - Deep Sea Demon

Season 8 - Episode 1

Jeremy Wade is on a quest to find the one, true, legendary sea serpent; he treks from a horrifying attack in the English Channel, all the way to the darkest depths of the Mediterranean Sea.

star 7.84
289 votes

#21 - Razorhead

Season 8 - Episode 3

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

star 7.83
232 votes
Body Snatcher

#22 - Body Snatcher

Season 6 - Episode 6

From the extreme north of South America, freshwater detective Jeremy Wade hears rumors of a body-snatching spirit said to drag men deep into the river, never to be seen again. A predatory freshwater mermaid, locals call her the Water Mama. She may be a beast of mythology, but the carnage she leaves in her wake is all too real. People are disappearing without trace, one-by-one from these waters and Jeremy is convinced there is a flesh and blood River Monster lurking behind the legend of the Killer Mermaids.

star 7.83
107 votes
Ice Cold Killer

#23 - Ice Cold Killer

Season 9 - Episode 2

When a sea monster washes up on an English beach, Jeremy Wade sets off to unmask the beast. His journey will take him to the ice sheets of Greenland and the fjords of Norway, where he races against the Arctic storm threatening to end his quest.

star 7.83
186 votes
Coral Reef Killer

#24 - Coral Reef Killer

Season 9 - Episode 3

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.

star 7.81
157 votes
Bone Crusher

#25 - Bone Crusher

Season 6 - Episode 5

When a corpse is found with highly unusual injuries, Jeremy Wade instinctively knows he’s on the trail of a new monster. Digging deeper, he soon uncovers the dead body is only the tip of the iceberg - there’s also been a spate of unexplained disappearances. And, people have seen a huge unknown creature patrolling the water. Could all three things be connected? To solve this mystery Jeremy confronts one of his biggest fears and encounters a river monster that he’s NEVER dealt with before.

star 7.80
96 votes