7.5/10112 votesLoading...#1 - Alligator Gar
Season 1 Episode 3 - Aired 4/19/2009
In the Deep South is a river monster with the reputation of a devil. Blamed for a series of violent attacks on humans, this creature is said to be as vicious as a shark and as big as an alligator. The authorities said it should be annihilated, but not all are so quick to condemn it. Extreme angler Jeremy Wade heads to Texas on its trail in an attempt to uncover the facts behind this animal's notoriety. Helped by local expertise and with his own wits honed sharp, he finds new ways to reveal the truth about the monster alligator gar.
Director: N/A
Writer: N/A
7.6/1042 votesLoading...#2 - Return of the Killer Catfish
Season 9 Episode 4 - Aired 5/14/2017
Jeremy Wade investigates a case in Nepal that sounds strangely familiar - a lone fisherman dragged off his feet & into a mountain river by an unseen creature. Is the original river monster, the goonch catfish, back from the brink?
Director: N/A
Writer: N/A
7.7/1063 votesLoading...#3 - Face Ripper
Season 5 Episode 5 - Aired 5/19/2013
Jeremy 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.
Director: N/A
Writer: N/A
7.8/1090 votesLoading...#4 - Freshwater Shark
Season 1 Episode 7 - Aired 5/17/2009
No fish inspires the same terror as the shark, a creature with an insatiable hunger for brutal violence. But at least these killers are confined to the oceans. Or are they? Expert angler Jeremy Wade investigates whether it's possible for sharks to live in freshwater, and if so just how far inland these vicious predators will bring their reign of terror.
Director: N/A
Writer: N/A
7.8/1081 votesLoading...#5 - The Mutilator
Season 3 Episode 1 - Aired 4/10/2011
Jeremy Wade travels to Papua New Guinea to investigate a spate of bizarre deaths on the Sepik River. An island renowned for cannibalism, macabre rituals, and head hunters, Wade is on the trail of a creature reported to devour certain male body parts.
Director: N/A
Writer: N/A
7.9/1085 votesLoading...#6 - Alaskan Horror
Season 2 Episode 4 - Aired 5/16/2010
Extreme angler Jeremy Wade searches for the lethal lake monster of native legend that's been dragging people down to an icy grave for centuries. He ends up landing the largest fish he's ever caught, but is this the monster?
Director: N/A
Writer: N/A
7.9/1084 votesLoading...#7 - Hidden Predator
Season 2 Episode 6 - Aired 5/30/2010
The biggest bull shark ever recorded was caught in South Africa, in a river. Was this monstrous freshwater catch a horrifying fluke, or are there more shark giants prowling this river? Jeremy Wade heads to South Africa to see if he can land a monster!
Director: N/A
Writer: N/A
7.9/1066 votesLoading...#8 - American Killers
Season 4 Episode 1 - Aired 4/1/2012
In the suspense-filled two-hour premiere, Jeremy Wade treks across the United States in search of deadly river monsters living in the nation's waterways. Wade ventures from the popular Indian River Lagoon in Florida where unsuspecting water enthusiasts are faced with what could become a modern day Jaws, to the Lake of the Ozarks in Missouri, where underwater hunters have reached man-eating proportions.
Director: N/A
Writer: N/A
7.9/1056 votesLoading...#9 - Asian Slayer
Season 4 Episode 4 - Aired 4/22/2012
When Jeremy Wade travels to India's Himalayas to investigate grisly river attacks, he is surprised to learn that the suspected culprit is a sacred animal. Does he heed warnings from the local people that he'll be cursed for life if he touches the creature, or will he pursue his need to solve the mystery?
Director: N/A
Writer: N/A
7.9/1035 votesLoading...#10 - Ice Cold Killer
Season 9 Episode 2 - Aired 4/30/2017
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.
Director: N/A
Writer: N/A
8.0/10128 votesLoading...#11 - Piranha
Season 1 Episode 1 - Aired 4/5/2009
In 1976 a packed coach crashed into the Amazon killing 39 people. By the time the bodies were pulled out by rescuers some had been so viciously mutilated by piranha they could only be identified by their clothes. Tracking down survivors and eyewitnesses of piranha attacks, Jeremy Wade reveals why the piranha fills our nightmares.
Director: N/A
Writer: N/A
8.0/1086 votesLoading...#12 - Congo Killer
Season 2 Episode 3 - Aired 5/9/2010
Jeremy Wade travels to one of the few rivers left on earth that will still test a fisherman. The Congo, a river steeped in legends... and soaked in violence. One spirit in particular is said to lure fishermen from their boats to their death.
Director: N/A
Writer: N/A
8.0/1065 votesLoading...#13 - Silent Assassin
Season 3 Episode 3 - Aired 4/24/2011
Jeremy Wade travels to the Paraná River in the remote corner of Argentina to investigate the death of a young girl. This creature is not armed with bone-crunching jaws or razor sharp teeth, but a razor-sharp blade tipped with tissue-destroying venom.
Director: N/A
Writer: N/A
8.0/1057 votesLoading...#14 - Invisible Executioner
Season 4 Episode 3 - Aired 4/15/2012
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?
Director: N/A
Writer: N/A
8.0/1039 votesLoading...#15 - Killers From the Abyss
Season 9 Episode 1 - Aired 4/23/2017
Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe, battling giant fish, massive sharks and a deep-sea monster.
Director: N/A
Writer: N/A
8.1/1073 votesLoading...#16 - Flesh Ripper
Season 3 Episode 2 - Aired 4/17/2011
Jeremy Wade is on the trail of a mysterious man-eater described over 200 years ago by a famous explorer. Is the 8-ft beast in question a mere legend, or could it be the same, flesh & blood creature that has attacked divers & children?
Director: N/A
Writer: N/A
8.1/1069 votesLoading...#17 - Electric Executioner
Season 3 Episode 5 - Aired 5/15/2011
Jeremy Wade travels to Brazil's "wild west" in search of a river monster that has killed three cowboys. The search for the culprit sends him deep into prospecting cattle country, where he discovers the shocking truth about a fish he's never caught before. He has to combat all his fears to catch this monster, and after a long chase, Jeremy finally corners his elusive prey in the most unexpected place. All he has to do then is catch it without getting killed.
Director: N/A
Writer: N/A
8.1/1070 votesLoading...#18 - Jungle Killer
Season 3 Episode 7 - Aired 5/30/2011
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.
Director: N/A
Writer: N/A
8.1/1057 votesLoading...#19 - Mongolian Mauler
Season 4 Episode 6 - Aired 5/13/2012
In Mongolia, Jeremy Wade hopes to reel in a rare river monster that’s become legendary. Pound for pound, this man-sized monster is said to be one of the world's strongest fighters. Could the rivers here still be home to a beast that many have heard about but few have seen? While Wade is on the hunt, he may be hunted himself as armed outlaws lurk in the wilderness surrounding the remote river.
Director: N/A
Writer: N/A
8.1/1042 votesLoading...#20 - Prehistoric Terror
Season 7 Episode 3 - Aired 4/19/2015
Jeremy Wade is on the trail of horrifying killers from the depths of time. Fearsome, prehistoric beasts are brought back to life using cutting edge technology and recently unearthed fossils in a quest to find the greatest river monster of all time.
Director: N/A
Writer: N/A
8.2/10106 votesLoading...#21 - European Maneater
Season 1 Episode 4 - Aired 4/26/2009
Reports of an attack on a swimmer in a lake close to Berlin is the starting point for an intense and shocking investigation. Wade travels to Germany where he meets modern-day victims of a beast that has been raising its snout above the surface of fresh waters in Europe regularly over the past 700 years. Investigations travel to Spain where Wade discovers firsthand that the wels catfish is a living, breathing aggressive predator growing to man-eating proportions capable of everything depicted in medieval records and more.
Director: N/A
Writer: N/A
8.2/1069 votesLoading...#22 - Chainsaw Predator
Season 3 Episode 4 - Aired 5/1/2011
Jeremy Wade heads to the Australian outback to try & catch the fearsome Freshwater Sawfish. This shadowy predator is said to be 18-feet long & attacks boats. But does the fact that it could slash Jeremy to shreds make it a killer?
Director: N/A
Writer: N/A
8.2/1072 votesLoading...#23 - Cold-Blooded Horror
Season 3 Episode 6 - Aired 5/22/2011
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.
Director: N/A
Writer: N/A
8.2/1054 votesLoading...#24 - Phantom Assassin
Season 4 Episode 7 - Aired 5/20/2012
Jeremy Wade returns to Australia's croc-infested Fitzroy River for one of his toughest quests yet — to catch one of the world's rarest fish. This shark is so elusive it was only discovered ten years ago, and so rare only a handful of people have ever seen it. Almost nothing is known about this endangered beast. Could it be a man-eater? The expedition turns Wade's knowledge of freshwater killers upside down as these animals seem to break all the rules.
Director: N/A
Writer: N/A
8.2/1053 votesLoading...#25 - Atomic Assassin
Season 5 Episode 1 - Aired 4/14/2013
Jeremy Wade searches for a monster that leads him to the site of the worst nuclear accident in history, Chernobyl. In a nerve-shredding race against radiation & time, he searches for the perpetrator of a series of grizzly attacks.
Director: N/A
Writer: N/A
The Worst Episodes of River Monsters
Every episode of River Monsters ranked from worst to best. Explore the Worst Episodes of River Monsters!
Extreme angler Jeremy Wade is on the hunt for fish with a taste for human flesh. This rip-roaring ride mixes action and adventure with mysteries,...
Genres:DocumentaryAction & AdventureReality
Network:Animal Planet
Worst Episodes Summary
"Alligator Gar" is the worst rated episode of "River Monsters". It scored 7.5/10 based on 112 votes. Directed by N/A and written by N/A, it aired on 4/19/2009. This episode scored 0.1 points lower than the second lowest rated, "Return of the Killer Catfish".