Two gorillas are at the hospital as a pair of lions is getting acquainted.

A king cheetah has slowed down, and 97 turtle hatchlings return to the sea.

After a small town is evacuated because of a chlorine gas leak, Hobo finds an abandoned baby still there.

Hobo helps spur romance between a widow and a bachelor.

A takhi hoof trim takes a scary turn, and a male monkey needs some space.

A baby echidna must be hand raised in order to have a chance at life.

Bait boils and the bluefin bite, but a devastating loss could change a champion forever.

After a small town is evacuated because of a chlorine gas leak, Hobo finds an abandoned baby still there.

Hobo helps spur romance between a widow and a bachelor.

Researchers try to collect venom from a 500-pound, freshwater stingray with a dagger-like barb.

Deep in the dark waters of the Amazon jungle lives a fanged creature of nightmares.

Cyril's attempt to find a brutal fish called a cubera.

A 1,400-pound blue fin tuna is a true titan prowling the oceans.

Researchers try to collect venom from a 500-pound, freshwater stingray with a dagger-like barb.

Deep in the dark waters of the Amazon jungle lives a fanged creature of nightmares.

Cyril's attempt to find a brutal fish called a cubera.

A 1,400-pound blue fin tuna is a true titan prowling the oceans.

The wild coast of South Africa is known for its deadly shark attacks.

Fishing enthusiast and adventurer Cyril Chauquet seeks out dangerous creatures in remote corners of the planet.

Cyril sets out to determine whether or not ocean predators are responsible for attacks on humans.

The wild coast of South Africa is known for its deadly shark attacks.

Fishing enthusiast and adventurer Cyril Chauquet seeks out dangerous creatures in remote corners of the planet.

Cyril sets out to determine whether or not ocean predators are responsible for attacks on humans.

A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Jay, Juliette, and the team plan a reptile birthday party surprise for the moms of social media influencers Liane V. and Don Benjamin; Michael gets the chance to run the Reptile Zoo's popular day camp for the first time; Jay's co-author stops by to meet the scaly friends who will be the stars of their new children's book.

The Zoo hosts a vow renewal ceremony for a reptile-loving couple, where some cold-blooded guests make the heart-warming day extra special for friends and family; social media superstar Brent Rivera enlists the help of Jay and his snakes to play an epic prank on some new members of his crew; Coconut, the albino alligator, celebrates her sixth birthday.

Dr. Keri explores some of the key ways that cats can live enriched and satisfying lives and stay safe inside from the risks and diseases of being loose on the street.

Dr. Keri works with Manitoba Underdogs Rescue to reduce feral dog populations in First Nations communities.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

Dr. Keri explores some of the key ways that cats can live enriched and satisfying lives and stay safe inside from the risks and diseases of being loose on the street.

Dr. Keri works with Manitoba Underdogs Rescue to reduce feral dog populations in First Nations communities.

Hobo's arrival in a small town coincides with that of an artist who looks like the town's crooked mayor.

Hobo is reunited with an old friend who has just become the owner of a winning lottery ticket.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Jay, Juliette, and the team plan a reptile birthday party surprise for the moms of social media influencers Liane V. and Don Benjamin; Michael gets the chance to run the Reptile Zoo's popular day camp for the first time; Jay's co-author stops by to meet the scaly friends who will be the stars of their new children's book.

The Zoo hosts a vow renewal ceremony for a reptile-loving couple, where some cold-blooded guests make the heart-warming day extra special for friends and family; social media superstar Brent Rivera enlists the help of Jay and his snakes to play an epic prank on some new members of his crew; Coconut, the albino alligator, celebrates her sixth birthday.

Hobo's arrival in a small town coincides with that of an artist who looks like the town's crooked mayor.

Hobo is reunited with an old friend who has just become the owner of a winning lottery ticket.

Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout; it is a freshwater predator in the freezing waters of the deepest lake in North America.

On the Rio Parana in northern Argentina, countless fishermen have been violently pulled into the water by unidentified creatures; Cyril ventures deeper and deeper into caiman and piranha-filled swamps to investigate these disappearances.

Niall investigates the impact of human living conditions on the leopard's choice of prey and the conflict with the people of Mumbai.

Lizards and snakes are challenged with puzzles for their enrichment.

Dr. Keri explores some of the key ways that cats can live enriched and satisfying lives and stay safe inside from the risks and diseases of being loose on the street.

Dr. Keri works with Manitoba Underdogs Rescue to reduce feral dog populations in First Nations communities.

In the last week of their season, the Gold Timers get hit by a big storm; the Ferals have a medical emergency; Linden breaks his gold drought.

After two workers quit, the Dust Devils must hire a rookie; the Poseidon Crew hope to end their season with a big nugget.

Capt. Dave Carraro's "Tricky Dave" persona emerges.

Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout; it is a freshwater predator in the freezing waters of the deepest lake in North America.

On the Rio Parana in northern Argentina, countless fishermen have been violently pulled into the water by unidentified creatures; Cyril ventures deeper and deeper into caiman and piranha-filled swamps to investigate these disappearances.

Niall investigates the impact of human living conditions on the leopard's choice of prey and the conflict with the people of Mumbai.

Lizards and snakes are challenged with puzzles for their enrichment.

Dr. Keri explores some of the key ways that cats can live enriched and satisfying lives and stay safe inside from the risks and diseases of being loose on the street.

Dr. Keri works with Manitoba Underdogs Rescue to reduce feral dog populations in First Nations communities.

Capt. Dave Carraro's "Tricky Dave" persona emerges.

In the last week of their season, the Gold Timers get hit by a big storm; the Ferals have a medical emergency; Linden breaks his gold drought.

After two workers quit, the Dust Devils must hire a rookie; the Poseidon Crew hope to end their season with a big nugget.

Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout; it is a freshwater predator in the freezing waters of the deepest lake in North America.

On the Rio Parana in northern Argentina, countless fishermen have been violently pulled into the water by unidentified creatures; Cyril ventures deeper and deeper into caiman and piranha-filled swamps to investigate these disappearances.

Niall investigates the impact of human living conditions on the leopard's choice of prey and the conflict with the people of Mumbai.

Hobo becomes involved in a treasure hunt that turns up a rare, small object worth a fortune.

Hobo helps a disabled boy earn money.

Dr. Keri explores some of the key ways that cats can live enriched and satisfying lives and stay safe inside from the risks and diseases of being loose on the street.

Dr. Keri works with Manitoba Underdogs Rescue to reduce feral dog populations in First Nations communities.

A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Jay, Juliette, and the team plan a reptile birthday party surprise for the moms of social media influencers Liane V. and Don Benjamin; Michael gets the chance to run the Reptile Zoo's popular day camp for the first time; Jay's co-author stops by to meet the scaly friends who will be the stars of their new children's book.

The Zoo hosts a vow renewal ceremony for a reptile-loving couple, where some cold-blooded guests make the heart-warming day extra special for friends and family; social media superstar Brent Rivera enlists the help of Jay and his snakes to play an epic prank on some new members of his crew; Coconut, the albino alligator, celebrates her sixth birthday.

Hobo becomes involved in a treasure hunt that turns up a rare, small object worth a fortune.

Hobo helps a disabled boy earn money.

Skipper Paul Tiller and his crew fish for urchin; Morris Anstey continues a hot streak of fishing luck; Andre and Michelle Jesso still seek their first big catch.

Skipper Paul Tiller's crew find conditions increasingly difficult to dive for urchin; Skipper Morris Anstey races to catch as much herring as possible before the fish plant closes.

Conway and his father risk fishing 220 miles off the north coast of Newfoundland; rookie skipper Rick Crane wants to prove he's as good as any fisherman; Morris Anstey's crew launches their crab season in Iceberg Alley.

Nutrition officers prepare and deliver meals to all of Taronga's residents.

Wardens monitor hunters who try to start the big game hunting season early; a landowner chooses to press charges against a trespassing hunter; the warden catches a hunter lying, with ballistics evidence to back it up.

Jacqui and Andrew encounter a crocodile as they camp on the banks of the Palmer River; the Ferals travel to Jarman Island to mine on untouched land.

The Gold Retrievers chase off a late-night intruder; Shane and Russell venture out on a new expedition while the Poseidon Crew make a big decision.

Hard times on the water leave two former champions struggling to stay in the competition.

Skipper Paul Tiller and his crew fish for urchin; Morris Anstey continues a hot streak of fishing luck; Andre and Michelle Jesso still seek their first big catch.

Skipper Paul Tiller's crew find conditions increasingly difficult to dive for urchin; Skipper Morris Anstey races to catch as much herring as possible before the fish plant closes.

Conway and his father risk fishing 220 miles off the north coast of Newfoundland; rookie skipper Rick Crane wants to prove he's as good as any fisherman; Morris Anstey's crew launches their crab season in Iceberg Alley.

Nutrition officers prepare and deliver meals to all of Taronga's residents.

Wardens monitor hunters who try to start the big game hunting season early; a landowner chooses to press charges against a trespassing hunter; the warden catches a hunter lying, with ballistics evidence to back it up.

Hard times on the water leave two former champions struggling to stay in the competition.

Jacqui and Andrew encounter a crocodile as they camp on the banks of the Palmer River; the Ferals travel to Jarman Island to mine on untouched land.

The Gold Retrievers chase off a late-night intruder; Shane and Russell venture out on a new expedition while the Poseidon Crew make a big decision.

Skipper Paul Tiller and his crew fish for urchin; Morris Anstey continues a hot streak of fishing luck; Andre and Michelle Jesso still seek their first big catch.

Skipper Paul Tiller's crew find conditions increasingly difficult to dive for urchin; Skipper Morris Anstey races to catch as much herring as possible before the fish plant closes.

Conway and his father risk fishing 220 miles off the north coast of Newfoundland; rookie skipper Rick Crane wants to prove he's as good as any fisherman; Morris Anstey's crew launches their crab season in Iceberg Alley.

Hobo helps a disabled boy (Hadley Kay) earn enough money to buy his own puppy by starting a dog-sitting service.

Hobo helps track down a young runaway who fled to avoid an upcoming operation.

Wardens monitor hunters who try to start the big game hunting season early; a landowner chooses to press charges against a trespassing hunter; the warden catches a hunter lying, with ballistics evidence to back it up.

Lizards and snakes are challenged with puzzles for their enrichment.

Capt. Dave Carraro's "Tricky Dave" persona emerges.

Hobo helps a disabled boy (Hadley Kay) earn enough money to buy his own puppy by starting a dog-sitting service.

Hobo helps track down a young runaway who fled to avoid an upcoming operation.

The Master Carve gets personal; one carver finds redemption and an emotional elimination ceremony takes hold of the carvers; in this competition, one is only as good as their last carve.

A shocking twist kicks off this week's challenges; as the judges' expectations increase, so does the pressure to win.

Angelika prepares to release Wasabi; two cub brothers fight for their lives.

Kim tries to take a cub to the vet; Jesse finds an injured foal.

The hospital staff deal with a dental dilemma for Daphne the bunny.

On a sun-scorched block, the Peters crew struggles to move massive logs with aging machines and no margin for error.

Justin's excavator has an expensive oil leak; Col's crew is a man down; the Fire Crew is on a wild goose chase hunting a bounty of fabled fire opal.

There's tension among the rookies as a new partner leads them on a wild goose chase; the Cooke brothers' season is off to a bad and dangerous start.

The captains must decide if skill or luck will help them win as the quota fills up.

The Master Carve gets personal; one carver finds redemption and an emotional elimination ceremony takes hold of the carvers; in this competition, one is only as good as their last carve.

A shocking twist kicks off this week's challenges; as the judges' expectations increase, so does the pressure to win.

Angelika prepares to release Wasabi; two cub brothers fight for their lives.

Kim tries to take a cub to the vet; Jesse finds an injured foal.

The hospital staff deal with a dental dilemma for Daphne the bunny.

On a sun-scorched block, the Peters crew struggles to move massive logs with aging machines and no margin for error.

The captains must decide if skill or luck will help them win as the quota fills up.

Justin's excavator has an expensive oil leak; Col's crew is a man down; the Fire Crew is on a wild goose chase hunting a bounty of fabled fire opal.

There's tension among the rookies as a new partner leads them on a wild goose chase; the Cooke brothers' season is off to a bad and dangerous start.

The Master Carve gets personal; one carver finds redemption and an emotional elimination ceremony takes hold of the carvers; in this competition, one is only as good as their last carve.

A shocking twist kicks off this week's challenges; as the judges' expectations increase, so does the pressure to win.

Angelika prepares to release Wasabi; two cub brothers fight for their lives.

Kim tries to take a cub to the vet; Jesse finds an injured foal.

Fraternity brothers make Hobo a much sought-after item in their scavenger hunt.

Hobo is sought in a fraternity scavenger hunt.

On a sun-scorched block, the Peters crew struggles to move massive logs with aging machines and no margin for error.

Nutrition officers prepare and deliver meals to all of Taronga's residents.

Hard times on the water leave two former champions struggling to stay in the competition.

Fraternity brothers make Hobo a much sought-after item in their scavenger hunt.

Hobo is sought in a fraternity scavenger hunt.

Rob visits some rescued pitbulls as they go through K-9 police training; Danielle says goodbye to a long-term resident.

Danielle searches for the owners of a wandering horse; a family hopes to adopt two bonded dogs.

The team heads to North Carolina to help dogs impacted by a hurricane; three rescued sheep arrive at the farm.

Rob and Danielle head to Israel to rescue dogs from a shelter; a couple hoping to adopt needs theirs cat's approval; a visit with the farm chickens.

A dog with two broken legs needs surgery; a trainer works with Angel; a senior dog gets a new home.

The team helps with the canine over-population in Manitoba.

Scientists at Taronga Zoo must teach a rare bird its natural mating song.

Niall McCann investigates the increasing number of polar bear attacks in Churchill, Manitoba.

Justin gambles thousands of dollars as he struggles; opal queen Kelly is in desperate need of a big find; Aaron and Greg's claim might pay off.

The Rookies battle their biggest claim yet; Col's Crew must bring out the old machines to hunt a new opal seam; things heat up as the Fire Crew races a fuel leak while chasing legendary red fire opal.

When the Oregon Inlet's notorious sand bar is near impassable, captains must decide to face it or turn around.

Rob visits some rescued pitbulls as they go through K-9 police training; Danielle says goodbye to a long-term resident.

Danielle searches for the owners of a wandering horse; a family hopes to adopt two bonded dogs.

The team heads to North Carolina to help dogs impacted by a hurricane; three rescued sheep arrive at the farm.

Rob and Danielle head to Israel to rescue dogs from a shelter; a couple hoping to adopt needs theirs cat's approval; a visit with the farm chickens.

A dog with two broken legs needs surgery; a trainer works with Angel; a senior dog gets a new home.

The team helps with the canine over-population in Manitoba.

Scientists at Taronga Zoo must teach a rare bird its natural mating song.

Niall McCann investigates the increasing number of polar bear attacks in Churchill, Manitoba.

When the Oregon Inlet's notorious sand bar is near impassable, captains must decide to face it or turn around.

Justin gambles thousands of dollars as he struggles; opal queen Kelly is in desperate need of a big find; Aaron and Greg's claim might pay off.

The Rookies battle their biggest claim yet; Col's Crew must bring out the old machines to hunt a new opal seam; things heat up as the Fire Crew races a fuel leak while chasing legendary red fire opal.

Rob visits some rescued pitbulls as they go through K-9 police training; Danielle says goodbye to a long-term resident.

Danielle searches for the owners of a wandering horse; a family hopes to adopt two bonded dogs.

The team heads to North Carolina to help dogs impacted by a hurricane; three rescued sheep arrive at the farm.

Rob and Danielle head to Israel to rescue dogs from a shelter; a couple hoping to adopt needs theirs cat's approval; a visit with the farm chickens.

A dog with two broken legs needs surgery; a trainer works with Angel; a senior dog gets a new home.

The team helps with the canine over-population in Manitoba.

Hobo helps a recently blinded teenager adjust to his handicap.

Hobo attempts to prevent a trucker from making an illegal haul.

Niall McCann investigates the increasing number of polar bear attacks in Churchill, Manitoba.

The hospital staff deal with a dental dilemma for Daphne the bunny.

The captains must decide if skill or luck will help them win as the quota fills up.

Hobo helps a recently blinded teenager adjust to his handicap.

Hobo attempts to prevent a trucker from making an illegal haul.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

Dino the dog's anxiety level has the owner sacrificing her own mental health treatments; another dog, Dexter, is becoming increasingly nippy and confused; the final push at Bin City needs to reap big rewards.

Treating their dog's allergy plunges a young couple deep into debt; a hognose snake is reluctant to eat; early plans for a dog sanctuary are riding on a successful, well attended auction.

With more than a thousand carnivores living at Taronga Zoo, the zoo's only butcher, Karlin, makes his way through the zoo while chopping; a yellow-bellied sugar squirrel is rushed to the Taronga Wildlife Hospital.

Injured elephant Man-Jai needs emergency tusk surgery; massive clean-up operation begins for a family of hippos; bent beak jeopardizes a couple of penguins; strange resident gets VIP treatment.

The Old Timers buy a new claim; the apprentices try to connect a mine shaft to their underground drive; the kids strike an agreement with their neighbor.

The Bushies are back mining, hoping for a change of luck; the Richardsons return to an old claim to see if it's worth reopening; Todd and Brianna divide and conquer to keep their business ticking over.

In order to have a profitable season, every boat must be willing to chase the bite.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

Dino the dog's anxiety level has the owner sacrificing her own mental health treatments; another dog, Dexter, is becoming increasingly nippy and confused; the final push at Bin City needs to reap big rewards.

Treating their dog's allergy plunges a young couple deep into debt; a hognose snake is reluctant to eat; early plans for a dog sanctuary are riding on a successful, well attended auction.

With more than a thousand carnivores living at Taronga Zoo, the zoo's only butcher, Karlin, makes his way through the zoo while chopping; a yellow-bellied sugar squirrel is rushed to the Taronga Wildlife Hospital.

Injured elephant Man-Jai needs emergency tusk surgery; massive clean-up operation begins for a family of hippos; bent beak jeopardizes a couple of penguins; strange resident gets VIP treatment.

In order to have a profitable season, every boat must be willing to chase the bite.

The Old Timers buy a new claim; the apprentices try to connect a mine shaft to their underground drive; the kids strike an agreement with their neighbor.

The Bushies are back mining, hoping for a change of luck; the Richardsons return to an old claim to see if it's worth reopening; Todd and Brianna divide and conquer to keep their business ticking over.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

Dino the dog's anxiety level has the owner sacrificing her own mental health treatments; another dog, Dexter, is becoming increasingly nippy and confused; the final push at Bin City needs to reap big rewards.

Treating their dog's allergy plunges a young couple deep into debt; a hognose snake is reluctant to eat; early plans for a dog sanctuary are riding on a successful, well attended auction.

A champion whippet is stolen prior to a big race.

A criminal steals and tries to sell a secret laser.

Injured elephant Man-Jai needs emergency tusk surgery; massive clean-up operation begins for a family of hippos; bent beak jeopardizes a couple of penguins; strange resident gets VIP treatment.

Scientists at Taronga Zoo must teach a rare bird its natural mating song.

When the Oregon Inlet's notorious sand bar is near impassable, captains must decide to face it or turn around.

A champion whippet is stolen prior to a big race.

A criminal steals and tries to sell a secret laser.

Skipper Paul Tiller and his crew fish for urchin; Morris Anstey continues a hot streak of fishing luck; Andre and Michelle Jesso still seek their first big catch.

Skipper Paul Tiller's crew find conditions increasingly difficult to dive for urchin; Skipper Morris Anstey races to catch as much herring as possible before the fish plant closes.

Conway and his father risk fishing 220 miles off the north coast of Newfoundland; rookie skipper Rick Crane wants to prove he's as good as any fisherman; Morris Anstey's crew launches their crab season in Iceberg Alley.

Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout; it is a freshwater predator in the freezing waters of the deepest lake in North America.

Skipper Paul Tiller and his crew fish for urchin; Morris Anstey continues a hot streak of fishing luck; Andre and Michelle Jesso still seek their first big catch.

Skipper Paul Tiller's crew find conditions increasingly difficult to dive for urchin; Skipper Morris Anstey races to catch as much herring as possible before the fish plant closes.

Conway and his father risk fishing 220 miles off the north coast of Newfoundland; rookie skipper Rick Crane wants to prove he's as good as any fisherman; Morris Anstey's crew launches their crab season in Iceberg Alley.

Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout; it is a freshwater predator in the freezing waters of the deepest lake in North America.

A mystery lump on Ras the camel's ear has everyone stumped so it's time to investigate; the team find themselves in the middle of a life and death struggle to save an eastern long neck turtle with a fishhook stuck down its neck.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes in to the hospital after narrowly surviving an eagle attack; a mission to Norfolk Island to save one of the world's most endangered species from extinction.

A wild koala has an unknown illness, and a new sea lion arrives at the zoo.

The team treats a sick platypus and two galahs learn to take flight.

A black rhino labor takes an alarming turn; a kangaroo needs surgery.

A gibbon finds his song; platypuses return to a national park.

A mystery lump on Ras the camel's ear has everyone stumped so it's time to investigate; the team find themselves in the middle of a life and death struggle to save an eastern long neck turtle with a fishhook stuck down its neck.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes in to the hospital after narrowly surviving an eagle attack; a mission to Norfolk Island to save one of the world's most endangered species from extinction.

A wild koala has an unknown illness, and a new sea lion arrives at the zoo.

The team treats a sick platypus and two galahs learn to take flight.

A black rhino labor takes an alarming turn; a kangaroo needs surgery.

A gambler plans to sabotage a lumberjack contest.

Hobo thwarts a hunter stalking peregrine falcons.

A gibbon finds his song; platypuses return to a national park.

With more than a thousand carnivores living at Taronga Zoo, the zoo's only butcher, Karlin, makes his way through the zoo while chopping; a yellow-bellied sugar squirrel is rushed to the Taronga Wildlife Hospital.

In order to have a profitable season, every boat must be willing to chase the bite.

A gambler plans to sabotage a lumberjack contest.

Hobo thwarts a hunter stalking peregrine falcons.

On the Rio Parana in northern Argentina, countless fishermen have been violently pulled into the water by unidentified creatures; Cyril ventures deeper and deeper into caiman and piranha-filled swamps to investigate these disappearances.

Cyril chases after the black piranha deep in the Amazon jungle.

Cyril's attention is captured by videos of two huge, unidentified creatures appearing off of Florida's coast; Cyril knows that the only way to truly identify the beast is to explore the mysterious waters here, and try to catch it.

Cyril heads upriver through the jungle in search of the redtail catfish.

On the Rio Parana in northern Argentina, countless fishermen have been violently pulled into the water by unidentified creatures; Cyril ventures deeper and deeper into caiman and piranha-filled swamps to investigate these disappearances.

Cyril chases after the black piranha deep in the Amazon jungle.

Cyril's attention is captured by videos of two huge, unidentified creatures appearing off of Florida's coast; Cyril knows that the only way to truly identify the beast is to explore the mysterious waters here, and try to catch it.

Cyril heads upriver through the jungle in search of the redtail catfish.

In the predator-infested waters of Texas and Mississippi, Cyril dives 30 feet deep to have a face-to-face encounter with the monstrous flathead catfish.

A violent attack happened to a tribesman in the Bolivian jungle.

Cyril is trying to catch a fish that can weigh more than a thousand pounds and is known to be so strong that fishermen have been pulled under and some have even been impaled by its bill.

In the predator-infested waters of Texas and Mississippi, Cyril dives 30 feet deep to have a face-to-face encounter with the monstrous flathead catfish.

A violent attack happened to a tribesman in the Bolivian jungle.

Cyril is trying to catch a fish that can weigh more than a thousand pounds and is known to be so strong that fishermen have been pulled under and some have even been impaled by its bill.

A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Dr. G tackles Tilly the Poodle's rock-hard appetite. Dr. Heather Suttie and team at Trinity Hills 24 Hour Pet Hospital, take on Daisy the Cavalier King Charles Spaniel's forbidden tastes.

Dr. G faces a rare challenge when a duckling seems to have unfortunate taste. Its a busy day at Trinity Hills 24 Hour Pet Hospital as Pepe, a Bernese Mountain Dogs double-trouble antics capture the hearts and test the skills of Dr. Heather Suttie.

Dr. Keri demonstrates sheer prairie grit, crossing a dangerous ice road for winter preg checks.

Just when it seems this harsh winter will never end, Dr. Keri delivers the first calf of spring.

Dr. Keri looks after bulls who seem determined to hurt themselves.

Dr. Keri's dog, Siri, brings home a wild baby fox, which starts her on a quest to learn more about caring for wildlife.

Dr. Keri demonstrates sheer prairie grit, crossing a dangerous ice road for winter preg checks.

Just when it seems this harsh winter will never end, Dr. Keri delivers the first calf of spring.

Hobo is the only witness to a plane crash which was carrying several passengers.

Hobo aids victims of an isolated plane crash.

Dr. Keri looks after bulls who seem determined to hurt themselves.

Dr. Keri's dog, Siri, brings home a wild baby fox, which starts her on a quest to learn more about caring for wildlife.

A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Dr. G tackles Tilly the Poodle's rock-hard appetite. Dr. Heather Suttie and team at Trinity Hills 24 Hour Pet Hospital, take on Daisy the Cavalier King Charles Spaniel's forbidden tastes.

Dr. G faces a rare challenge when a duckling seems to have unfortunate taste. Its a busy day at Trinity Hills 24 Hour Pet Hospital as Pepe, a Bernese Mountain Dogs double-trouble antics capture the hearts and test the skills of Dr. Heather Suttie.

Hobo is the only witness to a plane crash which was carrying several passengers.

Hobo aids victims of an isolated plane crash.

Cyril Chauquet and his team are dropped into the middle of the wildest environments on the planet with the sole mission of collecting vital specimens that could save species from extinction. After years of habitat destruction, pollution and commercial pressure, Chauquet and his team are on tight deadlines to make it through the dangerous rugged terrain and back to civilization. The teams seek out some of the most endangered freshwater goliaths from the Great North of the Americas and the Amazon rainforest, including the armor-plated white sturgeon, the prehistoric pirarucu and the hulking piraiba.

Cyril chases after the black piranha deep in the Amazon jungle.

Niall travels to Venezuela to capture and measure the largest anacondas in the Amazon; he hears stories from locals about true giant snakes that have killed and eaten people; Niall encounters the biggest snake he's ever tackled.

A penguin with a serious leg injury is brought in for rehab at Taronga Zoo.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

A disastrous fire could ruin the Gold Timers' season before it begins; the Ferals are forced to launch a rescue mission when Rob goes missing.

Both Jacqui and Andrew end up stranded within the dangerous tropical wilderness of the Palmer River region; the Poseidon Crew find themselves faced with a critical meeting.

As the tuna titans continue to battle for top position, their mates attempt to keep up the pace.

Cyril Chauquet and his team are dropped into the middle of the wildest environments on the planet with the sole mission of collecting vital specimens that could save species from extinction. After years of habitat destruction, pollution and commercial pressure, Chauquet and his team are on tight deadlines to make it through the dangerous rugged terrain and back to civilization. The teams seek out some of the most endangered freshwater goliaths from the Great North of the Americas and the Amazon rainforest, including the armor-plated white sturgeon, the prehistoric pirarucu and the hulking piraiba.

Cyril chases after the black piranha deep in the Amazon jungle.

Niall travels to Venezuela to capture and measure the largest anacondas in the Amazon; he hears stories from locals about true giant snakes that have killed and eaten people; Niall encounters the biggest snake he's ever tackled.

A penguin with a serious leg injury is brought in for rehab at Taronga Zoo.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

As the tuna titans continue to battle for top position, their mates attempt to keep up the pace.

A disastrous fire could ruin the Gold Timers' season before it begins; the Ferals are forced to launch a rescue mission when Rob goes missing.

Both Jacqui and Andrew end up stranded within the dangerous tropical wilderness of the Palmer River region; the Poseidon Crew find themselves faced with a critical meeting.

Cyril Chauquet and his team are dropped into the middle of the wildest environments on the planet with the sole mission of collecting vital specimens that could save species from extinction. After years of habitat destruction, pollution and commercial pressure, Chauquet and his team are on tight deadlines to make it through the dangerous rugged terrain and back to civilization. The teams seek out some of the most endangered freshwater goliaths from the Great North of the Americas and the Amazon rainforest, including the armor-plated white sturgeon, the prehistoric pirarucu and the hulking piraiba.

Cyril chases after the black piranha deep in the Amazon jungle.

Niall travels to Venezuela to capture and measure the largest anacondas in the Amazon; he hears stories from locals about true giant snakes that have killed and eaten people; Niall encounters the biggest snake he's ever tackled.

Hobo protects four youths engaged in a deadly game.

A zoologist and a reporter try to prove Hobo is a new species of dog.

From show dogs to therapy dogs, Dr. Keri shows the benefits of purebreds and good breeders.

Dr. Keri explores the new technologies at The Western College of Veterinary Medicine.

A behind-the-scenes look at what it takes to run the Taronga Zoo Sydney, Australia's largest zoo, located on the shores of Sydney Harbour.

Dr. G tackles Tilly the Poodle's rock-hard appetite. Dr. Heather Suttie and team at Trinity Hills 24 Hour Pet Hospital, take on Daisy the Cavalier King Charles Spaniel's forbidden tastes.

Dr. G faces a rare challenge when a duckling seems to have unfortunate taste. Its a busy day at Trinity Hills 24 Hour Pet Hospital as Pepe, a Bernese Mountain Dogs double-trouble antics capture the hearts and test the skills of Dr. Heather Suttie.

Hobo protects four youths engaged in a deadly game.

A zoologist and a reporter try to prove Hobo is a new species of dog.

It's lobster season for Rick Crane, who hopes to make enough money to cover his first boat payment; Morris Anstey and his crew are exhausted after two weeks at sea.

Skipper Paul Tiller and the crew of the Atlantic Bandit chase capelin; Morris puts First Mate Darryl Fudge in charge of his old boat; the Crane's Legacy heads for the crab grounds.

Turbot fishing is more challenging than ever, testing Paul Tiller's crew; Captain Rick Crane has a greenhorn aboard the Crane's Legacy; the crew of the Midnight Shadow hunt for herring.

Taronga's newest vet, Jess, gets a first-hand view of just how varied this job can really be; the critically endangered booroolong frog...

An intoxicated woman surprises a warden when she reveals she's pregnant, then friends have to come pick her up and drive her car home.

Winter storms ravage the Gold Retrievers' new $35,000 dry blower and could end their season; the pressure to find gold could tear the Ferals apart.

The Poseidon Crew are forced to hunt Victoria's frozen high country; the Gold Timers use the last of their savings so they are able to hire some big machinery.

As the season grinds on, the fishermen are desperate to catch and tempers flare.

It's lobster season for Rick Crane, who hopes to make enough money to cover his first boat payment; Morris Anstey and his crew are exhausted after two weeks at sea.

Skipper Paul Tiller and the crew of the Atlantic Bandit chase capelin; Morris puts First Mate Darryl Fudge in charge of his old boat; the Crane's Legacy heads for the crab grounds.

Turbot fishing is more challenging than ever, testing Paul Tiller's crew; Captain Rick Crane has a greenhorn aboard the Crane's Legacy; the crew of the Midnight Shadow hunt for herring.

Taronga's newest vet, Jess, gets a first-hand view of just how varied this job can really be; the critically endangered booroolong frog...

An intoxicated woman surprises a warden when she reveals she's pregnant, then friends have to come pick her up and drive her car home.

As the season grinds on, the fishermen are desperate to catch and tempers flare.