Jacob learns about managing the coexistence of savannah animals; zoo staff face challenges during a health check of two kangaroos.

All-hands-on-deck to try and save a six-month-old platypus; a breeding pair of Galapagos tortoises; in a breeding attempt with a little more speed, cheetah Liberty is tested for ovulation after mating.

A rodeo star fears getting back in the saddle.

Hobo helps a man adjust to life in a wheelchair.

Zoo staff embark on an ambitious, year-long undertaking in an effort to help Naomi the chimpanzee overcome a complicated medical condition in the hope of finally becoming a mother.

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

As the season comes to a close, the captains make a final push to take home the OBX title.

A rodeo star fears getting back in the saddle.

Hobo helps a man adjust to life in a wheelchair.

Off the coast of Tanzania lurks a fish so violent it is known to ram sharks to death and even attack humans.

Cyril fights off bear attacks and wolves, as he goes to the edge of the Arctic into unchartered territory and hears tales of big fish ripping apart fishermen's nets.

Stuck between a herd of elephants charging straight for him and the shark-infested waters on the other side, Cyril has nowhere to hide; he is in the jungle of Gabon, West Africa, on a mission to catch a predatory fish with a deadly bite.

After meeting a diver who was attacked by a giant grouper, Cyril goes on a mission to catch one.

Cyril is recruited by researchers to catch ocean predators and swab their teeth to help develop antibiotics that save shark-bite victims.

Cyril sets out to catch a powerful catfish with only his hands, in Oklahoma's muddy waters.

After training with Brazilian special forces, Cyril embarks on a journey to the Amazon rain forest.

Off the coast of Tanzania lurks a fish so violent it is known to ram sharks to death and even attack humans.

Cyril fights off bear attacks and wolves, as he goes to the edge of the Arctic into unchartered territory and hears tales of big fish ripping apart fishermen's nets.

Stuck between a herd of elephants charging straight for him and the shark-infested waters on the other side, Cyril has nowhere to hide; he is in the jungle of Gabon, West Africa, on a mission to catch a predatory fish with a deadly bite.

After meeting a diver who was attacked by a giant grouper, Cyril goes on a mission to catch one.

Cyril is recruited by researchers to catch ocean predators and swab their teeth to help develop antibiotics that save shark-bite victims.

Cyril sets out to catch a powerful catfish with only his hands, in Oklahoma's muddy waters.

After training with Brazilian special forces, Cyril embarks on a journey to the Amazon rain forest.

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 and Ben's investigation into a feline's mysterious meow takes a sharp turn, while at Trinity Hills 24 Hour Pet Hospital, Dr. Suttie's team takes on a big gulp by a suspected laundry-stealing pup. Elsewhere, the Westwinds Mobile Veterinary Services Team investigates a horse with troublesome tastes.

Dr. Heather Suttie and team face a high-stakes emergency case with a prized show dog's hazardous chewing. Dr. G needs to be on the money when a tabby appears to have turned into a kitty bank.

Dr. Keri tries out some traditional and new dog sports to find out how to keep dogs fit and mentally healthy.

Dr. Keri treats ailments specific to cats, and then sees firsthand how those feline issues can also be a concern for big cats like cougars.

After Dr. Keri's ultrasound indicates that the Sheltie, Mimic, is pregnant, the show follows the puppies' progress from birth to four weeks old.

Breeder Kerry Nemet prepares a litter of Shetland Sheepdog puppies for their future lives.

Dr. Keri tries out some traditional and new dog sports to find out how to keep dogs fit and mentally healthy.

Dr. Keri treats ailments specific to cats, and then sees firsthand how those feline issues can also be a concern for big cats like cougars.

Hobo helps a stuntman get work and confidence.

A young model aircraft flyer attempts to compete against adults.

After Dr. Keri's ultrasound indicates that the Sheltie, Mimic, is pregnant, the show follows the puppies' progress from birth to four weeks old.

Breeder Kerry Nemet prepares a litter of Shetland Sheepdog puppies for their future lives.

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 and Ben's investigation into a feline's mysterious meow takes a sharp turn, while at Trinity Hills 24 Hour Pet Hospital, Dr. Suttie's team takes on a big gulp by a suspected laundry-stealing pup. Elsewhere, the Westwinds Mobile Veterinary Services Team investigates a horse with troublesome tastes.

Dr. Heather Suttie and team face a high-stakes emergency case with a prized show dog's hazardous chewing. Dr. G needs to be on the money when a tabby appears to have turned into a kitty bank.

Hobo helps a stuntman get work and confidence.

A young model aircraft flyer attempts to compete against adults.

Cyril and his crew embark on a dangerous mission to help scientists protect the prehistoric white sturgeon; the team must search the...

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.

Niall pursues legends of man-eating tigers in Nepal; he works with locals to find a big cat responsible for killing their livestock and discovers the truth behind the legends of giant man-eaters.

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

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.

The Gold Timers gamble their last $6,000 and commission a magnetic drone survey; the Ferals face a killer snake; Brad and Chris get expert advice.

A gold drought puts huge pressure on Jacqui and Andrew's partnership; the Poseidon Crew face extreme weather when they go on the hunt for gold on a remote mountain pass.

This Southern fleet of bluefin fisherman face one of their most dangerous seasons ever.

Cyril and his crew embark on a dangerous mission to help scientists protect the prehistoric white sturgeon; the team must search the...

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.

Niall pursues legends of man-eating tigers in Nepal; he works with locals to find a big cat responsible for killing their livestock and discovers the truth behind the legends of giant man-eaters.

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

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.

This Southern fleet of bluefin fisherman face one of their most dangerous seasons ever.

The Gold Timers gamble their last $6,000 and commission a magnetic drone survey; the Ferals face a killer snake; Brad and Chris get expert advice.

A gold drought puts huge pressure on Jacqui and Andrew's partnership; the Poseidon Crew face extreme weather when they go on the hunt for gold on a remote mountain pass.

Cyril and his crew embark on a dangerous mission to help scientists protect the prehistoric white sturgeon; the team must search the...

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.

Niall pursues legends of man-eating tigers in Nepal; he works with locals to find a big cat responsible for killing their livestock and discovers the truth behind the legends of giant man-eaters.

Hobo discovers the hiding place of priceless contraband.

Tennis pro Carling Bassett helps Hobo prevent the breakup of a young couple.

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.

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 and Ben's investigation into a feline's mysterious meow takes a sharp turn, while at Trinity Hills 24 Hour Pet Hospital, Dr. Suttie's team takes on a big gulp by a suspected laundry-stealing pup. Elsewhere, the Westwinds Mobile Veterinary Services Team investigates a horse with troublesome tastes.

Dr. Heather Suttie and team face a high-stakes emergency case with a prized show dog's hazardous chewing. Dr. G needs to be on the money when a tabby appears to have turned into a kitty bank.

Hobo discovers the hiding place of priceless contraband.

Tennis pro Carling Bassett helps Hobo prevent the breakup of a young couple.

Morris Anstey battles rough seas as his crew fishes offshore; the Seedoo battles mechanical problems; Rick Crane makes a road trip to inner Labrador.

Conway and the Sea-Doo crew are behind on their herring quota; Gillett tries to stay on track in his quest for two million pounds of herring; Anstey has greenhorn headaches.

Morris Anstey deals with rookie problems on the Sebastian Sails; Richard Gillett and the Midnight Shadow crew race to catch their herring goal as mechanical failures threaten to end their season.

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.

Hunters claim they weren't shooting from the road, although physical evidence proves otherwise; a warden is skeptical when a bow hunter without a license alleges he's only elk calling; hunters find out the hard way they're on private property.

The Poseidon Crew take a gamble on gold ground they've already previously detected; Levi and Bridget make a rookie mistake; the Gold Timers manage to catch a thief.

The Ferals confront a gold thief who's raided their lease; the Gold Retrievers explore a promising new lease; Jacqui and Andrew get their big break.

The Southern boats battle an angry ocean and short weather windows to find scattered fish.

Morris Anstey battles rough seas as his crew fishes offshore; the Seedoo battles mechanical problems; Rick Crane makes a road trip to inner Labrador.

Conway and the Sea-Doo crew are behind on their herring quota; Gillett tries to stay on track in his quest for two million pounds of herring; Anstey has greenhorn headaches.

Morris Anstey deals with rookie problems on the Sebastian Sails; Richard Gillett and the Midnight Shadow crew race to catch their herring goal as mechanical failures threaten to end their season.

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.

Hunters claim they weren't shooting from the road, although physical evidence proves otherwise; a warden is skeptical when a bow hunter without a license alleges he's only elk calling; hunters find out the hard way they're on private property.

The Southern boats battle an angry ocean and short weather windows to find scattered fish.

The Poseidon Crew take a gamble on gold ground they've already previously detected; Levi and Bridget make a rookie mistake; the Gold Timers manage to catch a thief.

The Ferals confront a gold thief who's raided their lease; the Gold Retrievers explore a promising new lease; Jacqui and Andrew get their big break.

Morris Anstey battles rough seas as his crew fishes offshore; the Seedoo battles mechanical problems; Rick Crane makes a road trip to inner Labrador.

Conway and the Sea-Doo crew are behind on their herring quota; Gillett tries to stay on track in his quest for two million pounds of herring; Anstey has greenhorn headaches.

Morris Anstey deals with rookie problems on the Sebastian Sails; Richard Gillett and the Midnight Shadow crew race to catch their herring goal as mechanical failures threaten to end their season.

Teamed up with a firefighter, Hobo rescues victims from a blazing factory.

Teamed up with a firefighter, Hobo rescues victims from a blazing factory.

Hunters claim they weren't shooting from the road, although physical evidence proves otherwise; a warden is skeptical when a bow hunter without a license alleges he's only elk calling; hunters find out the hard way they're on private property.

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

This Southern fleet of bluefin fisherman face one of their most dangerous seasons ever.

Teamed up with a firefighter, Hobo rescues victims from a blazing factory.

Teamed up with a firefighter, Hobo rescues victims from a blazing factory.

The final Quick Carve weighs heavily on the contestants, who must create a wooden chain capable of lifting hundreds of pounds; the Master Carve has everyone feeling down as they create carvings that start under the sea.

In the season finale, three chainsaw carvers face off in the ultimate final challenge to earn $50,000 and the glory of being named "A Cut Above.".

Angelika rescues a cub that's barely alive; a soft release proves tricky with a stubborn moose.

Angelika preps 20 cubs for hibernation, but they're not all ready; one is recovering from an injury and another suffers serious anxiety.

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.

The Peters crew grinds through some of the biggest logs of the season, while old iron and thick fog threaten to shut them down; up north, after a two-year drought, Freya Logging battles relentless rain as fall takes hold of the community forest.

The Rookies finally hit treasure; Aaron and Greg bring in an old monster about to self-destruct; the Cooke brothers race to beat the worst drought in a decade.

Rookies Justin and Becky risk their lives underground, desperate for a find; opal hunting legend Col Duff is back to take on the Outback and hunt for long-forgotten treasure.

The fleet struggles as warm water brings a wave of big tunas through the Outer Banks.

The final Quick Carve weighs heavily on the contestants, who must create a wooden chain capable of lifting hundreds of pounds; the Master Carve has everyone feeling down as they create carvings that start under the sea.

In the season finale, three chainsaw carvers face off in the ultimate final challenge to earn $50,000 and the glory of being named "A Cut Above.".

Angelika rescues a cub that's barely alive; a soft release proves tricky with a stubborn moose.

Angelika preps 20 cubs for hibernation, but they're not all ready; one is recovering from an injury and another suffers serious anxiety.

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.

The Peters crew grinds through some of the biggest logs of the season, while old iron and thick fog threaten to shut them down; up north, after a two-year drought, Freya Logging battles relentless rain as fall takes hold of the community forest.

The fleet struggles as warm water brings a wave of big tunas through the Outer Banks.

The Rookies finally hit treasure; Aaron and Greg bring in an old monster about to self-destruct; the Cooke brothers race to beat the worst drought in a decade.

Rookies Justin and Becky risk their lives underground, desperate for a find; opal hunting legend Col Duff is back to take on the Outback and hunt for long-forgotten treasure.

The final Quick Carve weighs heavily on the contestants, who must create a wooden chain capable of lifting hundreds of pounds; the Master Carve has everyone feeling down as they create carvings that start under the sea.

In the season finale, three chainsaw carvers face off in the ultimate final challenge to earn $50,000 and the glory of being named "A Cut Above.".

Angelika rescues a cub that's barely alive; a soft release proves tricky with a stubborn moose.

Angelika preps 20 cubs for hibernation, but they're not all ready; one is recovering from an injury and another suffers serious anxiety.

Hobo reveals an ambitious imposter to a small religious community.

Hobo helps a go-cart driver who is trying a earn a position on the national racing team.

The Peters crew grinds through some of the biggest logs of the season, while old iron and thick fog threaten to shut them down; up north, after a two-year drought, Freya Logging battles relentless rain as fall takes hold of the community forest.

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.

The Southern boats battle an angry ocean and short weather windows to find scattered fish.

Hobo reveals an ambitious imposter to a small religious community.

Hobo helps a go-cart driver who is trying a earn a position on the national racing team.

Phoebe arrives with two broken legs; Ilana tries working with a horse who is afraid of people.

A dog with two paralyzed back legs returns; the team gets ready for the garden-themed festival.

Rob assesses a dog at risk of being put down; Tony and Moby gain some interest from families.

Rob starts training 18 pitbull mixes in Florida; Danielle is worried about the health of a draft horse.

Rob and Danielle travel to Israel to rescue dogs; a family meets a dog that they've been longing for; a visit to some pigs on a farm.

A dog with amputated front paws arrives; Ilana trims an energetic foal's hooves; Danielle gets a special visit.

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

Niall rescues gators from the suburbs of Houston, Texas and meets some of the largest alligators in captivity.

The Fire Crew battles its way back from a disastrous setback; the Opal Queen battles rock hard walls alone, desperate to find opal; the Boulder Boys abandon their drill and hunt for opal by hand.

Rookie Justin tackles a deal that could make or break him; the Boulder Boys race to save their claim from a monsoon flood; on their last dig of the season, the Cooke Brothers finally hit pay dirt.

Britton on the Doghouse proves he may have the ace crew in the Outer Banks.

Phoebe arrives with two broken legs; Ilana tries working with a horse who is afraid of people.

A dog with two paralyzed back legs returns; the team gets ready for the garden-themed festival.

Rob assesses a dog at risk of being put down; Tony and Moby gain some interest from families.

Rob starts training 18 pitbull mixes in Florida; Danielle is worried about the health of a draft horse.

Rob and Danielle travel to Israel to rescue dogs; a family meets a dog that they've been longing for; a visit to some pigs on a farm.

A dog with amputated front paws arrives; Ilana trims an energetic foal's hooves; Danielle gets a special visit.

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

Niall rescues gators from the suburbs of Houston, Texas and meets some of the largest alligators in captivity.

Britton on the Doghouse proves he may have the ace crew in the Outer Banks.

The Fire Crew battles its way back from a disastrous setback; the Opal Queen battles rock hard walls alone, desperate to find opal; the Boulder Boys abandon their drill and hunt for opal by hand.

Rookie Justin tackles a deal that could make or break him; the Boulder Boys race to save their claim from a monsoon flood; on their last dig of the season, the Cooke Brothers finally hit pay dirt.

Phoebe arrives with two broken legs; Ilana tries working with a horse who is afraid of people.

A dog with two paralyzed back legs returns; the team gets ready for the garden-themed festival.

Rob assesses a dog at risk of being put down; Tony and Moby gain some interest from families.

Rob starts training 18 pitbull mixes in Florida; Danielle is worried about the health of a draft horse.

Rob and Danielle travel to Israel to rescue dogs; a family meets a dog that they've been longing for; a visit to some pigs on a farm.

A dog with amputated front paws arrives; Ilana trims an energetic foal's hooves; Danielle gets a special visit.

A mime and a deaf boy help Hobo prevent a robbery.

A family is trapped on a deserted island.

Niall rescues gators from the suburbs of Houston, Texas and meets some of the largest alligators in captivity.

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.

The fleet struggles as warm water brings a wave of big tunas through the Outer Banks.

A mime and a deaf boy help Hobo prevent a robbery.

A family is trapped on a deserted island.

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 cat with suspected broken knees leads the vets to make a difficult decision.

The RAPS team is surprised by what is discovered in a Golden Doodle's stomach; the Boo Boo Kitty is treated for diabetes.

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

A routine health check takes a frightening turn for lion brothers Lwazi and Ato; keepers await to see if otter couple Odie and Paula are expecting; a gorilla named Kanzi must prove she can receive vital medical care.

Following the highs and lows of sapphire hunters working in extreme conditions in the heart of Central Queensland, Australia.

Anthony learns to cut gems while Jodie goes underground to mine alone; the Richardsons dig deep at the old Rabbi Claim; the Old Timers attempt to move a 500 kg billie boulder out of the shaft wall.

The herds have arrived and the fleet jumps into action to try and get their share.

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 cat with suspected broken knees leads the vets to make a difficult decision.

The RAPS team is surprised by what is discovered in a Golden Doodle's stomach; the Boo Boo Kitty is treated for diabetes.

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

A routine health check takes a frightening turn for lion brothers Lwazi and Ato; keepers await to see if otter couple Odie and Paula are expecting; a gorilla named Kanzi must prove she can receive vital medical care.

The herds have arrived and the fleet jumps into action to try and get their share.

Following the highs and lows of sapphire hunters working in extreme conditions in the heart of Central Queensland, Australia.

Anthony learns to cut gems while Jodie goes underground to mine alone; the Richardsons dig deep at the old Rabbi Claim; the Old Timers attempt to move a 500 kg billie boulder out of the shaft wall.

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 cat with suspected broken knees leads the vets to make a difficult decision.

The RAPS team is surprised by what is discovered in a Golden Doodle's stomach; the Boo Boo Kitty is treated for diabetes.

Hobo is trapped with a shipwrecked family.

Hobo forces a young boy to face up to his crime.

A routine health check takes a frightening turn for lion brothers Lwazi and Ato; keepers await to see if otter couple Odie and Paula are expecting; a gorilla named Kanzi must prove she can receive vital medical care.

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

Britton on the Doghouse proves he may have the ace crew in the Outer Banks.

Hobo is trapped with a shipwrecked family.

Hobo forces a young boy to face up to his crime.

Morris Anstey battles rough seas as his crew fishes offshore; the Seedoo battles mechanical problems; Rick Crane makes a road trip to inner Labrador.

Conway and the Sea-Doo crew are behind on their herring quota; Gillett tries to stay on track in his quest for two million pounds of herring; Anstey has greenhorn headaches.

Morris Anstey deals with rookie problems on the Sebastian Sails; Richard Gillett and the Midnight Shadow crew race to catch their herring goal as mechanical failures threaten to end their season.

Cyril and his crew embark on a dangerous mission to help scientists protect the prehistoric white sturgeon; the team must search the...

Morris Anstey battles rough seas as his crew fishes offshore; the Seedoo battles mechanical problems; Rick Crane makes a road trip to inner Labrador.

Conway and the Sea-Doo crew are behind on their herring quota; Gillett tries to stay on track in his quest for two million pounds of herring; Anstey has greenhorn headaches.

Morris Anstey deals with rookie problems on the Sebastian Sails; Richard Gillett and the Midnight Shadow crew race to catch their herring goal as mechanical failures threaten to end their season.

Cyril and his crew embark on a dangerous mission to help scientists protect the prehistoric white sturgeon; the team must search the...

A behind-the-scenes look at running Taronga Zoo Sydney, Australia's largest zoo, located on Sydney Harbour's shores.

Keeper Caroline notices that Nele's eyes have clouded over and becomes concerned, ordering an examination.

Following the journey of an underweight and vulnerable little penguin through her progression from tiny to mighty; Brian and Security Steve determine what triggered the monitoring systems that protect Taronga's fence lines.

A tiny marsupial in the form of a carnivorous chuditch starts to be problematic at feeding time; seven Asian elephants and their enclosure receive a thorough cleaning and they certainly make their presence known.

For the first time in 10 years, Taronga vets get up close to a silverback gorilla.

The Taronga Zoo attempts to create history by successfully exporting two platypuses to America.

A behind-the-scenes look at running Taronga Zoo Sydney, Australia's largest zoo, located on Sydney Harbour's shores.

Keeper Caroline notices that Nele's eyes have clouded over and becomes concerned, ordering an examination.

Following the journey of an underweight and vulnerable little penguin through her progression from tiny to mighty; Brian and Security Steve determine what triggered the monitoring systems that protect Taronga's fence lines.

A tiny marsupial in the form of a carnivorous chuditch starts to be problematic at feeding time; seven Asian elephants and their enclosure receive a thorough cleaning and they certainly make their presence known.

For the first time in 10 years, Taronga vets get up close to a silverback gorilla.

Hobo finds an undetonated World War II bomb.

Hobo saves animals from a forest fire and aids a poisoned child.

The Taronga Zoo attempts to create history by successfully exporting two platypuses to America.

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

The herds have arrived and the fleet jumps into action to try and get their share.

Hobo finds an undetonated World War II bomb.

Hobo saves animals from a forest fire and aids a poisoned child.

The alligator gar fish goes back over 100 million years but has been hunted almost to extinction.

Cyril's goal is to help protect Brazil's largest prehistoric fish, the endangered arapaima.

Cyril investigates rumors of a giant wels catfish in the murky waters of the River Seine in Paris.

Cyril travels to Cuba to track down two of the world's most infamous marine fish.

Cyril faces stuck snowmobiles, marauding wolves and freezing to death.

Cyril joins the local fishermen in Zihuatanejo, Mexico and ends up tangled in his own fishing line.

With a mouth full of fang-like teeth, the northern pike has been dubbed the freshwater wolf.

The alligator gar fish goes back over 100 million years but has been hunted almost to extinction.

Cyril's goal is to help protect Brazil's largest prehistoric fish, the endangered arapaima.

Cyril investigates rumors of a giant wels catfish in the murky waters of the River Seine in Paris.

Cyril travels to Cuba to track down two of the world's most infamous marine fish.

Cyril faces stuck snowmobiles, marauding wolves and freezing to death.

Cyril joins the local fishermen in Zihuatanejo, Mexico and ends up tangled in his own fishing line.

With a mouth full of fang-like teeth, the northern pike has been dubbed the freshwater wolf.

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.

A large canine appears to have a taste for colourful kitchenware. A potentially fatal foreign body tests the skills of Dr. Heather Suttie, while Westwinds Mobile Veterinary Services team hits the road to help a horse with chomping challenges.

Dr. G and Ben deal with a green-gobbling patient. Dr. Heather Suttie has a full caseload which includes a puppy lured by a foreign body and an out-of-sorts cat who mysteriously refuses to eat.

Dr. Keri visits her longstanding cattle clients, many of whom have been farming the land for multiple generations.

Dr. Keri looks after her senior patients, and the emotional responsibility that comes with ensuring all pets have a good quality of life, as she deals with her own dog Two Bit's cancer diagnosis.

Dr. Keri pays tribute to the talented vet techs on her team who keep her practice running.

Dr. Keri travels to the remote town of Thompson to deal with a critical shortage in veterinarian care; along the way, she falls in love with the area and the people who live there.

Dr. Keri visits her longstanding cattle clients, many of whom have been farming the land for multiple generations.

Dr. Keri looks after her senior patients, and the emotional responsibility that comes with ensuring all pets have a good quality of life, as she deals with her own dog Two Bit's cancer diagnosis.

Hobo helps a man escape a town's vengeance only to risk capture when they stop to help an injured man.

Hobo unearths vital evidence proving the innocence of a man wrongfully accused of murder.

Dr. Keri pays tribute to the talented vet techs on her team who keep her practice running.

Dr. Keri travels to the remote town of Thompson to deal with a critical shortage in veterinarian care; along the way, she falls in love with the area and the people who live there.

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.

A large canine appears to have a taste for colourful kitchenware. A potentially fatal foreign body tests the skills of Dr. Heather Suttie, while Westwinds Mobile Veterinary Services team hits the road to help a horse with chomping challenges.

Dr. G and Ben deal with a green-gobbling patient. Dr. Heather Suttie has a full caseload which includes a puppy lured by a foreign body and an out-of-sorts cat who mysteriously refuses to eat.

Hobo helps a man escape a town's vengeance only to risk capture when they stop to help an injured man.

Hobo unearths vital evidence proving the innocence of a man wrongfully accused of murder.

An exhausting battle with a colossal white sturgeon pushes Cyril to the limit, but before the team can tag the eight-foot giant, it gives...

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

Niall is on Australia's Mary River where he plans to find the world's largest reptile-saltwater crocodiles- to take measurements and release back into the wild.

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

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.

Permit delays ruin the Poseidon Crew's hopes of a massive payday on their famed ground; a torrential downpour forces Shane and Russell to evacuate their dig site.

Jacqui and Andrew are targeted by potential gold thieves; Marcus and Linden hunt ground close to the site of the biggest nugget ever found in Western Australia.

Offshore Outlaw takes risks in a short window to catch more bluefin as a huge storm approaches; Doghouse fights to maintain their hot streak and the lead.

An exhausting battle with a colossal white sturgeon pushes Cyril to the limit, but before the team can tag the eight-foot giant, it gives...

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

Niall is on Australia's Mary River where he plans to find the world's largest reptile-saltwater crocodiles- to take measurements and release back into the wild.

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

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.

Offshore Outlaw takes risks in a short window to catch more bluefin as a huge storm approaches; Doghouse fights to maintain their hot streak and the lead.

Permit delays ruin the Poseidon Crew's hopes of a massive payday on their famed ground; a torrential downpour forces Shane and Russell to evacuate their dig site.

Jacqui and Andrew are targeted by potential gold thieves; Marcus and Linden hunt ground close to the site of the biggest nugget ever found in Western Australia.

An exhausting battle with a colossal white sturgeon pushes Cyril to the limit, but before the team can tag the eight-foot giant, it gives...

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

Niall is on Australia's Mary River where he plans to find the world's largest reptile-saltwater crocodiles- to take measurements and release back into the wild.

Hobo helps rescue a ballerina who wants to defect from her Iron Curtain captors.

Hobo hides two horses destined to be destroyed and uses them to save a busload of children during a violent storm.

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.

A large canine appears to have a taste for colourful kitchenware. A potentially fatal foreign body tests the skills of Dr. Heather Suttie, while Westwinds Mobile Veterinary Services team hits the road to help a horse with chomping challenges.

Dr. G and Ben deal with a green-gobbling patient. Dr. Heather Suttie has a full caseload which includes a puppy lured by a foreign body and an out-of-sorts cat who mysteriously refuses to eat.

Hobo helps rescue a ballerina who wants to defect from her Iron Curtain captors.

Hobo hides two horses destined to be destroyed and uses them to save a busload of children during a violent storm.

The Coldwater Captains relive the most exciting moments of the past three seasons.

Off the east coast of Newfoundland, the crew of the Atlantic Bandit heads into the world's deadliest ocean; in Cox's Cove, the Crane's Legacy is running two days behind the rest of the crab fishing fleet.

Skipper Morris Anstey and the crew of the Sebastian Sails are in a sea of trouble; the Crane's Legacy is well into the most punishing halibut season the crew has ever encountered.

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

Shed antler hunting nearly turns lethal for one man; training for game wardens becomes eerily realistic; one camp of unruly hunters attracts the attention of wardens; when an endangered grizzly bear is shot, wardens come out in full force.

The Poseidon Crew finally start digging legendary ground in search of a multi-million-dollar nugget; Shane and Russell endure the snake-ridden wilderness in Pilbara.

A robbery at the Gold Retrievers' camp puts more pressure on Chris and Brad's partnership; Marcus and Linden finally hit a rich patch of nuggets.

Intense weather keeps most of the boats tied up, but one captain goes AWOL to score big.

The Coldwater Captains relive the most exciting moments of the past three seasons.

Off the east coast of Newfoundland, the crew of the Atlantic Bandit heads into the world's deadliest ocean; in Cox's Cove, the Crane's Legacy is running two days behind the rest of the crab fishing fleet.

Skipper Morris Anstey and the crew of the Sebastian Sails are in a sea of trouble; the Crane's Legacy is well into the most punishing halibut season the crew has ever encountered.

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

Shed antler hunting nearly turns lethal for one man; training for game wardens becomes eerily realistic; one camp of unruly hunters attracts the attention of wardens; when an endangered grizzly bear is shot, wardens come out in full force.

Intense weather keeps most of the boats tied up, but one captain goes AWOL to score big.