Hogan investigates flying fish from Asia that are invading America's waterways, and he searches for one of the most- monster fish. Some of the species Hogan encounters have survived but now face the threat of extinction.
S1 E1: Mongolian Terror Trout
Zeb Hogan is on a mission to find and protect the Hucho Taimen, the world's largest freshwater fish found in the frigid rivers of Mongolia.
S1 E2: Sawfish
Join Zeb Hogan as he looks for the largest freshwater fish in Australia - the freshwater sawfish.
S1 E3: Giant Stingray
Beneath the surface of central Thailand's rivers swim giant freshwater stingrays, and Zeb has a chance to dive with one for the very first time.
S1 E4: Great White Sturgeon
Zeb goes in search of one of North America's river monsters, the giant white sturgeon, many of which have a lifespan of almost a century.
S1 E5: Red, White And Huge!
Zeb encounters ancient white sturgeon, enormous alligator gar and more freshwater giants on his tour across the US in search of the American monsters.
S1 E6: Thai-Tanic Titans
Teaming up with experts and applying local techniques, Zeb travels across Thailand to hunt down the biggest and baddest monster fish on the planet.
S1 E7: The Monsters Of Oz
Zeb goes Down Under to find the deadliest Aussie assassin. From sawfish to river sharks, Australia is no place for the weak. Who will come out on top?
S1 E8: Colossal Catches
Take a tour around the world as Zeb is counting down his top ten biggest, toughest and most astonishing catches of all time.
S1 E9: Freaks Of Nature
Prepare to get weird with some seriously strange monster fish as Zeb is on a mission to find some of the world's most bizarre freshwater beasts.
S1 E10: World Class Giants
On a six-continent journey around the globe, Zeb encounters the fascinating fish species that call some of the world's strangest corners home.
S3 E1: Alien Catfish
Dr. Zeb Hogan travels to Spain in search of the invasive Wels Catfish, a monster fish capable of growing over 8-feet long.
S3 E2: Mekong Mystery
Dr. Zeb Hogan and Trip Jennings, a National Geographic Young Explorer, travel to Khone Falls in Laos in search of the fish superhighway.
S3 E3: Danger Down Under
Dr. Zeb Hogan goes Down Under to the Murray-Darling Basin in pursuit of an ancient apex predator, the Murray Cod.
S3 E4: Nile Giant
Follow Dr. Zeb Hogan as he travels to North Africa in search of the Nile Perch, the largest freshwater fish in Africa.
S3 E5: King Of The Outback
Zeb Hogan returns to the Australian Outback and comes between five giant predators battling to survive the harsh climate of the Northern Territory.
S3 E6: Raging Amazon
Dr. Zeb Hogan is on an adventure to uncover the mysteries of the forgotten Rio Roosevelt River, one of the last pristine rivers in the Amazon.
S3 E7: River Invasion
Dr. Zeb Hogan faces swarms of Big-Head and Silver Carp in the Mississippi River. He investigates why these fish are spreading and how to stop them.
S3 E8: Thai Eden
Dr. Zeb Hogan is in Thailand to investigate why so many mega fish are found here, and if anything needs to be done to help protect the native species.
S3 E9: Alligator Gar
Dr. Zeb Hogan hunts in the bayous of Louisiana for the Alligator Gar, an ancient predator that is being pushed to the brink.
S3 E10: Ancient Beast
Dr. Zeb Hogan searches for the big, bizarre and prehistoric Mississippi Paddlefish in the scenic Mid-Western United States.
S3 E11: Himalayan Terror
Dr. Zeb Hogan is on a mission on the Kali River in the Indian Himalayas to investigate reports of a mammoth-sized catfish called a Goonch.
S3 E12: Kamchatka Catch
Dr. Zeb Hogan travels to the wild and remote Kamchatka in Russia's Far East, home to one of Earth's last truly wild Salmon sanctuaries.
S3 E13: Giant Eels
Dr. Zeb Hogan travels across Oceania in the remote South Pacific, tracking the New Zealand Longfin Eel and its cousin, the Mottled Eel.
S4 E1: 600 Lb Goldfish
Zeb Hogan travels to Thailand where he catches a giant carp of the size of a cow and has a competition to see who can catch the biggest fish.
S4 E2: River Shark!
Zeb Hogan is in Florida, on the bank of the Indian River, investigating stories he has heard about the man-eating river shark living in waterways.
S4 E3: Jungle Jaws
Zeb Hogan travels to the jungles of Malaysia looking for the fearsome, voracious wallago catfish, who are rumored to swallow animals in the woods.
S4 E4: Green Goliath
Zeb is after the green sturgeon, a fish that grow up to seven feet long, live up to 70 years, and has been around since the days of the dinosaurs.
S4 E5: Giant Catfish
Zeb heads down to the South in search of the truth about the legendary giant catfish - rumor has it they are big enough to swallow a human whole.
S4 E6: Salmonzilla
Zeb Hogan heads to Alaska, and braves rugged wilderness and hungry bears in quest of the legendary giant king salmon - 'Salmonzilla'.
S5 E1: River Jaws
Biologist Zeb Hogan travels to Australia to try and track down two of the country's most dangerous river shark species.
S5 E2: World's Biggest Sting Ray
Zeb Hogan hunts for the fresh water Whipray in northern Australia, then heads to Thailand on the trail of a giant Stingray.
S5 E3: Amazon Shocker
Zeb heads deep into the Brazilian Amazon in search of an Electric eel large enough to kill a Caiman crocodile.
S5 E4: River Wolf
Zeb is in Guyana, South America in search of a fish with a terrifying reputation, the Wolf fish.
S5 E5: Frankenfish
Zeb Hogan travels across Florida and Thailand on a mission to catch a 'Frankenfish' - the Snakehead.
S5 E6: The Tarpoon King
Zeb Hogan is deep in the rainforest of Nicaragua in Central America on a mission to track down a powerful predator, the Giant Tarpon.
S6 E1: Vampire Fish
In search of one of the freakiest fish in the world, Zeb heads into the heart of Guyana, South America to catch the locally known 'vampire fish'.
S6 E2: 400 Lb Super Stinger
Zeb journeys to Argentina in quest of the short-tailed river ray, which has a surprise hidden in its tail and isn't going to show it without a fight.
S6 E3: Giant Killer Catfish
Zeb is in Albi in southern France, hoping to search for the giant wels catfish and to see what they eat to grow to its monstrous size.
S6 E4: Shark Eating Goliath
Equipped with the latest scientific knowledge and marine technology, Zeb hooks a colossal goliath grouper that is going to test his physical strength.
S6 E5: Red, White And Huge!
S6 E6: Thai-Tanic Titans
S6 E7: The Monsters Of Oz
S6 E8: Colossal Catches
S6 E9: Freaks Of Nature
S6 E10: World Class Giants
See what else you can watch on this channel…
Gold Divers
Entertainment | PG
Tanked
Judge Rinder's Interrogation Secrets
Entertainment | PG 15
The First 48
The Adventures of Paddington
Entertainment | FAM
Teenage Mutant Ninja Turtles
Late Night Lockup
Body Invaders
The Curse Of Oak Island
Doubling Down With The Derricos
The Fairly OddParents
SpongeBob SquarePants
Blaze and the Monster Machines
Celebrity Game Face
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