Seasons & Episodes
Giant Stingray
Researcher Zeb Hogan travels to Cambodia to find and study the little-known giant stingray.
Sawfish
Follow Dr. Zeb Hogan on his journey to find the largest freshwater fish in Australia: the freshwater sawfish.
Great White Sturgeon
Follow Zeb Hogan as he goes in search of the biggest and oldest of North America's river monsters: the White Sturgeon.
Giant Stingray
Follow Dr Zeb Hogan on his quest to find what could be the world's largest and most deadly freshwater fish: the giant fr
Raging Amazon
Aquatic ecologist Dr. Zeb Hogan teams up with kayaking experts to discover what monster fish are lurking beneath the sur
River Invasion
They are carp from Asia which can jump 10 feet in the air at the sound of a boat motor, turning a day on the water into
Alien Catfish
Alligator Gar
Thai Eden
Nile Giant
Ancient Beast
Dr Zeb Hogan travels to the American Midwest in search of the paddlefish, one of the largest, oldest and most bizarre -l
Himalayan Terror
Mekong Mystery
Giant freshwater fish are studied at Khone Falls on the Mekong River in Laos.
Kamchatka Salmon
Catfish King
Zeb Hogan travels to Spain in search of the invasive Wels catfish -- a monster fish capable of growing more than 8 feet
Flying Carp
Flying fish from Asia are invading America's waterways and turning innocent boating trips into boxing matches as fish "k
Mongolian Terror Trout
Alligator Gar
Dr Zeb Hogan searches the southern United States for the rapidly disappearing alligator gar.
Land Of Giants
Zeb travels Thailand in search of giant fish; freshwater protected areas.
Jungle Catfish
Zeb Hogan is on a mission to find the giants of the sea.
Alien Catfish
Zeb travels to Spain for the wels catfish, a vicious predator that destroys local ecosystems.
River Invasion
Zeb Hogan attempts to fathom the uncontrolled spread of flying Asian carp in America's waterways.
Raging Amazon
Amazonian expedition to assess the impact of humanity on the area's fish population.
Monsters of the Nile
Zeb faces the crocodiles and goes in search of Africa's biggest freshwater fish: the Nile perch.
Ancient Beast
Aquatic ecologist Dr Zeb Hogan goes in search of the paddlefish.
Nile Giant
Aquatic ecologist Zeb Hogan and fellow scientists search for Nile perch.
King of the Outback
Each year in the Australian outback, the dry season leaves five top predators- giant stingrays, sawfish, bull sharks, an
Giant Eels
The giant eel is a massive, flesh-eating, wall-climbing, air-absorbing, snakelike fish that can attack like a crocodile
Australian River King
The Murray cod can grow up to 6 feet long and weigh more than 250 pounds, and is rumored to eat everything from birds to
Russian Giants
Kamchatka, Russia, is one of the wildest and most remote locations on earth and is home to the largest salmon population
India's River Devil
A mammoth catfish that has allegedly stalked, attacked and killed people can be found in the Indian Himalayas. Dr. Zeb H
American Behemoth
One of the oldest and most bizarre-looking freshwater fish on the planet can be found in the American Midwest. That's wh
Jumping Giants of Laos
Dr. Zeb Hogan travels to one of the world's largest waterfalls in Laos, where each year millions of fish climb the falls
Giant Catfish
Lured by stories of catfish the size of Volkswagens, Zeb Hogan is on a mission to find out if the legendary giant catfis
Slamonzilla
Armies of salmon surge through Alaska's icy waters during mating season, but only one catches the eye of Zeb Hogan the e
Green Goliath
The Pacific Northwest is known for things that are BIG giant redwoods, sweeping coastlines and massive runs of salmon.
600lb Goldfish
Zeb Hogan is on the hunt for a goldfish the size of a cow! Giant carp can grow up to weigh 600 pounds and measure 10 fee
Jungle Jaws
It's a voracious predatory catfish that prowls the rivers of Southeast Asia.
River Shark!
Zeb is on a quest to catch a river shark to determine the truth behind their deadly reputation.
World's Biggest Stingray
Thailand's giant stingrays and the whip rays of Australia can grow up to 16 feet and 1,300 lbs.
River Wolf
Wolf fish, known locally as haimara, can reach a metre in length and is said to hunt humans.
Amazon Shocker
There's a freshwater fish with a shock five times more powerful than a US wall socket.
Frankenfish
The Thai snakehead is said to be able to move on land, and has apparently spread to US waters.
Silver Devil
In Nicaragua, Zeb faces his most difficult battle hunting for one of the biggest monsters.
River Jaws
Some shark species can survive in freshwater as well as salt.
Vampire Fish
Fish biologist Zeb Hogan is searching for one of the freakiest fish in the world. Vampire fish, known locally as payara,
400 LB Super Stinger
Join Zeb Hogan as he explores the maze-like river systems of Argentina on a quest to catch a colossal 400-pound short-ta
Giant Killer Catfish
Join Zeb Hogan as he heads to southern France to try to catch a mammoth-sized 650 lb. Wels catfish and witness one of th
Shark Eating Goliath
Zeb explores Florida's deep-water reefs on a mission to catch a seven-foot goliath grouper.
400 lb Super Stinger
Zeb Hogan searches for a 400-pound short-tailed river ray in South America.
Thai-tanic Titans
Zeb Hogan returns to Thailand to find the biggest monster fish on Earth.
Freaks of Nature
Some adaptations can yield freakish results due to all of the unique environments of the oceans.
Giant Killer Catfish
Zeb heads to the ancient French town of Albi in search of the wels catfish.
World Class Giants
Zeb Hogan embarks on a six-continent journey as he seeks out the world's biggest and rarest fish.
Fantastic Beasts
Zeb Hogan searches for a ferocious fish with fangs and a ray with a hidden weapon.
Giant Goonch
The Salween River Basin has an extreme diversity of animals, and is home to some 50 fish species found nowhere else on E
Hammerhead Invasion
Zeb teams up with renowned shark scientist, Dr. Tristan Guttridge, who has been conducting research on the annual migrat
PEI Tuna