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The Worst Episodes of River Monsters

Every episode of River Monsters ranked from worst to best. Explore the Worst Episodes of River Monsters!

Binge this in 23h 31m•Peaking at 9.0/10

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, edge-of-the-seat chase and a battle of wills between man and

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Episode Rankings

  1. #1 Worst Episode
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    River Monsters Season 9 Episode 4 - Return of the Killer Catfish
    7.4/10(42 votes)

    #1 - Return of the Killer Catfish

    S9:E4

    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:Unknown
    Writer:Unknown

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  2. River Monsters Season 1 Episode 3 - Alligator Gar
    7.7/10(124 votes)

    #2 - Alligator Gar

    S1:E3

    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:Unknown
    Writer:Unknown

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  3. River Monsters Season 3 Episode 1 - The Mutilator
    7.8/10(86 votes)

    #3 - The Mutilator

    S3:E1

    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:Unknown
    Writer:Unknown

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  4. River Monsters Season 1 Episode 7 - Freshwater Shark
    7.9/10(98 votes)

    #4 - Freshwater Shark

    S1:E7

    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:Unknown
    Writer:Unknown

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  5. River Monsters Season 2 Episode 3 - Congo Killer
    8.0/10(93 votes)

    #5 - Congo Killer

    S2:E3

    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:Unknown
    Writer:Unknown

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  6. River Monsters Season 2 Episode 4 - Alaskan Horror
    8.0/10(89 votes)

    #6 - Alaskan Horror

    S2:E4

    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:Unknown
    Writer:Unknown

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  7. River Monsters Season 5 Episode 5 - Face Ripper
    8.0/10(67 votes)

    #7 - Face Ripper

    S5:E5

    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:Unknown
    Writer:Unknown

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  8. River Monsters Season 1 Episode 1 - Piranha
    8.1/10(144 votes)

    #8 - Piranha

    S1:E1

    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:Unknown
    Writer:Unknown

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  9. River Monsters Season 2 Episode 6 - Hidden Predator
    8.1/10(90 votes)

    #9 - Hidden Predator

    S2:E6

    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:Unknown
    Writer:Unknown

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  10. River Monsters Season 3 Episode 3 - Silent Assassin
    8.1/10(68 votes)

    #10 - Silent Assassin

    S3:E3

    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:Unknown
    Writer:Unknown

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  11. River Monsters Season 4 Episode 1 - American Killers
    8.1/10(70 votes)

    #11 - American Killers

    S4:E1

    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:Unknown
    Writer:Unknown

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  12. River Monsters Season 4 Episode 3 - Invisible Executioner
    8.1/10(64 votes)

    #12 - Invisible Executioner

    S4:E3

    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:Unknown
    Writer:Unknown

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  13. River Monsters Season 4 Episode 4 - Asian Slayer
    8.1/10(62 votes)

    #13 - Asian Slayer

    S4:E4

    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:Unknown
    Writer:Unknown

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  14. River Monsters Season 9 Episode 1 - Killers From the Abyss
    8.1/10(41 votes)

    #14 - Killers From the Abyss

    S9:E1

    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:Unknown
    Writer:Unknown

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  15. River Monsters Season 9 Episode 2 - Ice Cold Killer
    8.1/10(35 votes)

    #15 - Ice Cold Killer

    S9:E2

    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:Unknown
    Writer:Unknown

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  16. River Monsters Season 1 Episode 4 - European Maneater
    8.2/10(116 votes)

    #16 - European Maneater

    S1:E4

    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:Unknown
    Writer:Unknown

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  17. River Monsters Season 3 Episode 5 - Electric Executioner
    8.2/10(72 votes)

    #17 - Electric Executioner

    S3:E5

    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:Unknown
    Writer:Unknown

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  18. River Monsters Season 3 Episode 7 - Jungle Killer
    8.2/10(73 votes)

    #18 - Jungle Killer

    S3:E7

    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:Unknown
    Writer:Unknown

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  19. River Monsters Season 4 Episode 6 - Mongolian Mauler
    8.2/10(63 votes)

    #19 - Mongolian Mauler

    S4:E6

    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:Unknown
    Writer:Unknown

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  20. River Monsters Season 3 Episode 2 - Flesh Ripper
    8.3/10(76 votes)

    #20 - Flesh Ripper

    S3:E2

    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:Unknown
    Writer:Unknown

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  21. River Monsters Season 7 Episode 5 - South Pacific Terrors
    8.3/10(48 votes)

    #21 - South Pacific Terrors

    S7:E5

    In Fiji, people are being attacked from unseen assailants in the water, but it's not clear if there are multiple culprits, or a single persistent perpetrator. Jeremy Wade battles tropical storms and thick jungle in an all-out search for a culprit.

    Director:Unknown
    Writer:Unknown

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  22. River Monsters Season 9 Episode 3 - Coral Reef Killer
    8.3/10(44 votes)

    #22 - Coral Reef Killer

    S9:E3

    When a snorkeler is impaled & killed by an unseen underwater assailant in the waters surrounding the island of Sulawesi in Indonesia, Jeremy Wade travels to the islands to investigate a spate of similar attacks across the region.

    Director:Unknown
    Writer:Unknown

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  23. River Monsters Season 1 Episode 5 - Amazon Assassins
    8.4/10(104 votes)

    #23 - Amazon Assassins

    S1:E5

    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.

    Director:Unknown
    Writer:Unknown

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  24. River Monsters Season 1 Episode 6 - Amazon Flesh Eaters
    8.4/10(100 votes)

    #24 - Amazon Flesh Eaters

    S1:E6

    A man swallowed whole by a fish. A body eaten alive from within. Another penetrated in a most unnatural fashion, and yet more with multiple stab wounds. Jeremy Wade is in pursuit of these notorious killers to discover the facts — to determine if their crimes are real and their methods as gruesome as reported.

    Director:Unknown
    Writer:Unknown

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  25. River Monsters Season 3 Episode 4 - Chainsaw Predator
    8.4/10(74 votes)

    #25 - Chainsaw Predator

    S3:E4

    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:Unknown
    Writer:Unknown

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Worst Episodes Summary

"Return of the Killer Catfish" is the worst rated episode of "River Monsters". It scored 7.4/10 based on 42 votes. Directed by Unknown and written by Unknown, it aired on 5/14/2017. This episode scored 0.3 points lower than the second lowest rated, "Alligator Gar".