After their boat is stolen, Cyril and his crew must trek through the dense Amazon jungle through waters where piranhas, caimans and anacondas lurk.

Niall meets the king cobra and learns about India's reptile problem; each year, some 50,000 people die from snake bites.

"Bigfoot" terrorizes a town until Hobo tracks down the animal and reveals a hoax.

Hobo tries to stop a man (John Ireland) and his two sons from hunting down a wolf and her cubs.

Dr. Keri and her team visit the rural community of Lake Manitoba First Nations, where they perform 25 spay and neuters, and help a local animal rescue program find a new home for an unwanted husky.

Fires, bulls and frantic emergencies make for an all-consuming day as a diligent Dr. Keri pushes her way through the smoky prairies to treat animals in need.

A hunter who mistakenly takes down an antlered elk must face the consequences; a warden must come down hard on an ORV hunter who is skirting the law; a warden investigates a hunter on private property.

At Taronga Western Plains Zoo in Dubbo, the meerkat mob is facing a carefully planned intervention. Meanwhile in Sydney, keepers inside the Amphibian and Reptile Conservation Centre rely on a complex monitoring system to maintain precise temperatures, humidity levels, and water quality across dozens of habitats, each tailored to the needs of a different species.

"Bigfoot" terrorizes a town until Hobo tracks down the animal and reveals a hoax.

Hobo tries to stop a man (John Ireland) and his two sons from hunting down a wolf and her cubs.

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.

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.

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

Discovering the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations and more.

As Dirt Dogs Vern and Leon are forced to uproot their operation, Gold Gypsies Chris and Greg face a huge decision, and remote prospectors Henri and Kelli strike salt-lake gold.

Hard rain threatens to drown the season for the `Dirt Dogs' and Kellie and Henri hit a hot streak.

Capt. TJ Ott runs into trouble when the steering breaks mid-catch; rivals desperately try to out-fish each other; Capt. Paul Hebert tries to land his first fish of the season and break in new mates.

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.

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.

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

Discovering the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations and more.

Capt. TJ Ott runs into trouble when the steering breaks mid-catch; rivals desperately try to out-fish each other; Capt. Paul Hebert tries to land his first fish of the season and break in new mates.

As Dirt Dogs Vern and Leon are forced to uproot their operation, Gold Gypsies Chris and Greg face a huge decision, and remote prospectors Henri and Kelli strike salt-lake gold.

Hard rain threatens to drown the season for the `Dirt Dogs' and Kellie and Henri hit a hot streak.

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.

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.

Hobo locates a possible plague carrier who jumped ship and returns him to the authorities.

Hobo tries to clear an innocent man (Stephen Young) who is accused of causing a boating accident.

Discovering the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations and more.

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

Capt. Tyler McLaughlin sets his sights on beating Capt. Dave Carraro; tensions spill over when the rivalry goes too far during a prank.

Hobo locates a possible plague carrier who jumped ship and returns him to the authorities.

Hobo tries to clear an innocent man (Stephen Young) who is accused of causing a boating accident.

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.".

Tanya and Peter head to the coast to search for an orphan grizzly cub, leaving Angelika to move 40 black bears into a new pen to make room.

Two cubs become deathly ill from a parasite that has killed many bears; the shelter gets their 45 bears ready for hibernation.

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

As the Peter's crew races to finish a long-delayed logging job, a critical machine failure threatens their deadline and their paychecks; the Integrated Operations team braces for lift-off as the heavy-lift helicopter arrives on the block.

Daniel returns to Coober Pedy a new Dad, determined to find more white opal; Col raises the stakes, forking out thousands on an ancient and dangerous exploration rig; the Opal Queen and her Dad battle the clock, the weather and a deadly cactus.

It's brother vs. brother as Peter and Mick Cooke go head-to-head in an epic scrapheap challenge to build a monster opal-hunting machine; the Rookies are forced to start hunting at night.

In week four Capt. Paul Hebert continues to fight for his first tuna of the season, causing tension to mount on board the Kelly Ann.

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.".

Tanya and Peter head to the coast to search for an orphan grizzly cub, leaving Angelika to move 40 black bears into a new pen to make room.

Two cubs become deathly ill from a parasite that has killed many bears; the shelter gets their 45 bears ready for hibernation.

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

As the Peter's crew races to finish a long-delayed logging job, a critical machine failure threatens their deadline and their paychecks; the Integrated Operations team braces for lift-off as the heavy-lift helicopter arrives on the block.

In week four Capt. Paul Hebert continues to fight for his first tuna of the season, causing tension to mount on board the Kelly Ann.

Daniel returns to Coober Pedy a new Dad, determined to find more white opal; Col raises the stakes, forking out thousands on an ancient and dangerous exploration rig; the Opal Queen and her Dad battle the clock, the weather and a deadly cactus.

It's brother vs. brother as Peter and Mick Cooke go head-to-head in an epic scrapheap challenge to build a monster opal-hunting machine; the Rookies are forced to start hunting at night.

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.".

Tanya and Peter head to the coast to search for an orphan grizzly cub, leaving Angelika to move 40 black bears into a new pen to make room.

Two cubs become deathly ill from a parasite that has killed many bears; the shelter gets their 45 bears ready for hibernation.

Hobo rescues a wounded soldier and a young girl trapped within a war game.

A mentally impaired man benefits when he uncovers a dognapping plot.

As the Peter's crew races to finish a long-delayed logging job, a critical machine failure threatens their deadline and their paychecks; the Integrated Operations team braces for lift-off as the heavy-lift helicopter arrives on the block.

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

Capt. TJ Ott runs into trouble when the steering breaks mid-catch; rivals desperately try to out-fish each other; Capt. Paul Hebert tries to land his first fish of the season and break in new mates.

Hobo rescues a wounded soldier and a young girl trapped within a war game.

A mentally impaired man benefits when he uncovers a dognapping plot.

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 pit bull 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 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.

Some of the world's most venomous animals are found in Gran Sabana, Venezuela.

Desperate to move more rock, the Rookies get a lesson in the dangerous art of bomb making; Al and Kelly's lease is up; Col returns to action after a health scare.

With the end of the season fast approaching, the Rookies risk cave-ins at their abandoned mine claim; deep underground, Bomb King George is trapped in the blast zone.

A sudden storm engulfs the fleet in week five; captains must decide the risk of staying out on the water in hopes of catching more bluefin tuna.

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 pit bull 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 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.

Some of the world's most venomous animals are found in Gran Sabana, Venezuela.

A sudden storm engulfs the fleet in week five; captains must decide the risk of staying out on the water in hopes of catching more bluefin tuna.

Desperate to move more rock, the Rookies get a lesson in the dangerous art of bomb making; Al and Kelly's lease is up; Col returns to action after a health scare.

With the end of the season fast approaching, the Rookies risk cave-ins at their abandoned mine claim; deep underground, Bomb King George is trapped in the blast zone.

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 pit bull 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.

Hobo takes refuge at an old farmhouse where a mute girl and her father are being blackmailed into conducting fake seances.

The harmonica player (Gary Reineke) in a country band is unaware that his predecessor (Ken James) wants his old job back.

Some of the world's most venomous animals are found in Gran Sabana, Venezuela.

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

In week four Capt. Paul Hebert continues to fight for his first tuna of the season, causing tension to mount on board the Kelly Ann.

Hobo takes refuge at an old farmhouse where a mute girl and her father are being blackmailed into conducting fake seances.

The harmonica player (Gary Reineke) in a country band is unaware that his predecessor (Ken James) wants his old job back.

While searching the streets for feral cats, Dr. Keri and Lynne Scott rescue newborn kittens and bottle-feed them until they are well enough to be adopted by loving homes.

Dr. Keri and Calvin support the 4H Club, which teaches children how to raise a calf.

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.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes into 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.

Keepers become concerned when the big move for lion brothers Lwazi and Ato is delayed; young rhino Kifaru is challenged during a mating ritual; a brilliant plan saves the endangered mountain pygmy possums.

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 billy boulder out of the shaft wall.

In week six, Pin Wheel holds a narrow lead over last season's winning vessel Tuna.com; Hot Tuna, Hard Merchandise and Kelly Ann lag behind.

While searching the streets for feral cats, Dr. Keri and Lynne Scott rescue newborn kittens and bottle-feed them until they are well enough to be adopted by loving homes.

Dr. Keri and Calvin support the 4H Club, which teaches children how to raise a calf.

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.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes into 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.

Keepers become concerned when the big move for lion brothers Lwazi and Ato is delayed; young rhino Kifaru is challenged during a mating ritual; a brilliant plan saves the endangered mountain pygmy possums.

In week six, Pin Wheel holds a narrow lead over last season's winning vessel Tuna.com; Hot Tuna, Hard Merchandise and Kelly Ann lag behind.

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 billy boulder out of the shaft wall.

While searching the streets for feral cats, Dr. Keri and Lynne Scott rescue newborn kittens and bottle-feed them until they are well enough to be adopted by loving homes.

Dr. Keri and Calvin support the 4H Club, which teaches children how to raise a calf.

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 sets out on a long and dangerous journey to transport a precious locket to an elderly man's granddaughter.

Hobo foils sabotage at a courier service.

Keepers become concerned when the big move for lion brothers Lwazi and Ato is delayed; young rhino Kifaru is challenged during a mating ritual; a brilliant plan saves the endangered mountain pygmy possums.

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.

A sudden storm engulfs the fleet in week five; captains must decide the risk of staying out on the water in hopes of catching more bluefin tuna.

Hobo sets out on a long and dangerous journey to transport a precious locket to an elderly man's granddaughter.

Hobo foils sabotage at a courier service.

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.

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.

Cyril and his team head into the Nicaraguan jungle to search for tarpon.

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.

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.

Cyril and his team head into the Nicaraguan jungle to search for tarpon.

Taronga Zoo's keepers try to rein in a very randy red panda.

A mysterious virus threatens to wipe out an entire species of snapping turtles.

Vets perform emergency surgery on a tree goanna with a particularly unusual injury; a baby koala's first ride on its mother's back doesn't go according to plan.

The Taronga staff prepares to move three giraffes into a new enclosure, but the move is put on hold when Nyota, one of the zoo's favorite giraffes, becomes ill.

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.

Taronga Zoo's new African Savannah Precinct welcomes its residents.

Taronga Zoo's keepers try to rein in a very randy red panda.

A mysterious virus threatens to wipe out an entire species of snapping turtles.

Vets perform emergency surgery on a tree goanna with a particularly unusual injury; a baby koala's first ride on its mother's back doesn't go according to plan.

The Taronga staff prepares to move three giraffes into a new enclosure, but the move is put on hold when Nyota, one of the zoo's favorite giraffes, becomes ill.

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 young girl retreats into a fantasy world because her mother, a former ballerina, refuses to let her dance.

Hobo tries to iron out the problems encountered by a farmer (Simon Oakland) and his newly arrived mail-order bride (Barbara Gordon).

Taronga Zoo's new African Savannah Precinct welcomes its residents.

Masego the wild dog needs surgery on a worrying lump on her chest; a little penguin comes into 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.

In week six, Pin Wheel holds a narrow lead over last season's winning vessel Tuna.com; Hot Tuna, Hard Merchandise and Kelly Ann lag behind.

A young girl retreats into a fantasy world because her mother, a former ballerina, refuses to let her dance.

Hobo tries to iron out the problems encountered by a farmer (Simon Oakland) and his newly arrived mail-order bride (Barbara Gordon).

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

Many exotic animal species have been introduced into Florida's wild and remote Everglades during the last 50 years.

Cyril encounters accident victims, scientists and even Bigfoot hunters as he travels across the continent in search of the prehistoric white sturgeon.

Cyril travels to the dangerous swamps of Louisiana to track down a pair of predators lurking in murky waters.

Cyril fishes for marlin in Costa Rica; reaching sizes over 1,000 pounds, the marlin is one of the biggest and most powerful fish in the ocean.

Hearing reports of gruesome attacks on humans, Cyril is in the Florida Keys to find one of the most feared creatures in the ocean, the dangerous great barracuda.

Cyril explores the jungle rivers of Nicaragua, home of the giant tarpon, an explosive fish that can grow to the size of a man.

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

Many exotic animal species have been introduced into Florida's wild and remote Everglades during the last 50 years.

Cyril encounters accident victims, scientists and even Bigfoot hunters as he travels across the continent in search of the prehistoric white sturgeon.

Cyril travels to the dangerous swamps of Louisiana to track down a pair of predators lurking in murky waters.

Cyril fishes for marlin in Costa Rica; reaching sizes over 1,000 pounds, the marlin is one of the biggest and most powerful fish in the ocean.

Hearing reports of gruesome attacks on humans, Cyril is in the Florida Keys to find one of the most feared creatures in the ocean, the dangerous great barracuda.

Cyril explores the jungle rivers of Nicaragua, home of the giant tarpon, an explosive fish that can grow to the size of a man.

The Jobbie Nooner event has wardens patrolling the waters of Lake St. Clair; things get interesting when a massive storm rolls in; spring in Michigan can come with major forest fires and the DNR puts all their resources to keep them in check.

At Taronga Western Plains Zoo in Dubbo, the veterinary team prepare for a high-risk dental procedure on GoGo, a breeding zebra stallion with a fractured tooth. At the same time in Sydney, the Wildlife Hospital team are managing a delicate case of their own.

The team travels to Ebb and Flow First Nation; Dr. Keri conducts her marathon spay and neuter clinics.

Keri and her horse train for the Cowtown Derby in Claresholm, Alberta; Dr. Keri castrates a feisty stallion.

A healthy bull's fancy turns towards a little cow courtship as Dr. Keri makes house calls to assess health and virility that are vital to life on the farm; Jenna has a close call with the most ornery bull in the bunch.

Unwanted stray dogs roam in packs and can be a dangerous threat; rescue groups bring dogs to Dr. Keri, in the city and on reserves, saving thousands of lives.

The team travels to Ebb and Flow First Nation; Dr. Keri conducts her marathon spay and neuter clinics.

Keri and her horse train for the Cowtown Derby in Claresholm, Alberta; Dr. Keri castrates a feisty stallion.

Hobo befriends a lonely clown.

Hobo prevents a sabotage attempt upon a traveling theater troupe and reunites an actress with her estranged boyfriend.

A healthy bull's fancy turns towards a little cow courtship as Dr. Keri makes house calls to assess health and virility that are vital to life on the farm; Jenna has a close call with the most ornery bull in the bunch.

Unwanted stray dogs roam in packs and can be a dangerous threat; rescue groups bring dogs to Dr. Keri, in the city and on reserves, saving thousands of lives.

The Jobbie Nooner event has wardens patrolling the waters of Lake St. Clair; things get interesting when a massive storm rolls in; spring in Michigan can come with major forest fires and the DNR puts all their resources to keep them in check.

At Taronga Western Plains Zoo in Dubbo, the veterinary team prepare for a high-risk dental procedure on GoGo, a breeding zebra stallion with a fractured tooth. At the same time in Sydney, the Wildlife Hospital team are managing a delicate case of their own.

Hobo befriends a lonely clown.

Hobo prevents a sabotage attempt upon a traveling theater troupe and reunites an actress with her estranged boyfriend.

Cyril and his team continue their dangerous mission to find tarpon.

Waist deep in shark waters, Cyril is beaten by violent waves while casting his line from Christmas Island, Kiribati, where he is on a mission to catch a brutal and fearless predator capable of ramming sharks to death with its repetitive headbutts.

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

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

While searching the streets for feral cats, Dr. Keri and Lynne Scott rescue newborn kittens and bottle-feed them until they are well enough to be adopted by loving homes.

Dr. Keri and Calvin support the 4H Club, which teaches children how to raise a calf.

The `Dirt Dogs' fightback comes down to a make-or-break clean-up, Greg and Chris surf a wave of reef gold, and Henri and Kellie take big risks to stay on a hot streak.

Henri and Kellie face poachers and a dry streak. Also, the `Dirt Dogs' need to break new ground in order to stay in business, while the `Gold Gypsies' search for precious reef gold.

In week seven, captains must decide to make a long trip to where the fish are biting or take their chances fishing inshore.

Cyril and his team continue their dangerous mission to find tarpon.

Waist deep in shark waters, Cyril is beaten by violent waves while casting his line from Christmas Island, Kiribati, where he is on a mission to catch a brutal and fearless predator capable of ramming sharks to death with its repetitive headbutts.

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

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

While searching the streets for feral cats, Dr. Keri and Lynne Scott rescue newborn kittens and bottle-feed them until they are well enough to be adopted by loving homes.

Dr. Keri and Calvin support the 4H Club, which teaches children how to raise a calf.

In week seven, captains must decide to make a long trip to where the fish are biting or take their chances fishing inshore.

The `Dirt Dogs' fightback comes down to a make-or-break clean-up, Greg and Chris surf a wave of reef gold, and Henri and Kellie take big risks to stay on a hot streak.

Henri and Kellie face poachers and a dry streak. Also, the `Dirt Dogs' need to break new ground in order to stay in business, while the `Gold Gypsies' search for precious reef gold.

Cyril and his team continue their dangerous mission to find tarpon.

Waist deep in shark waters, Cyril is beaten by violent waves while casting his line from Christmas Island, Kiribati, where he is on a mission to catch a brutal and fearless predator capable of ramming sharks to death with its repetitive headbutts.

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

An elderly man, apparently capable of reading animals' minds, matches wits with gold thieves.

Hobo tries to keep a disoriented woman from injuring herself as she aimlessly wanders through a large amusement park.

While searching the streets for feral cats, Dr. Keri and Lynne Scott rescue newborn kittens and bottle-feed them until they are well enough to be adopted by loving homes.

Dr. Keri and Calvin support the 4H Club, which teaches children how to raise a calf.

The Jobbie Nooner event has wardens patrolling the waters of Lake St. Clair; things get interesting when a massive storm rolls in; spring in Michigan can come with major forest fires and the DNR puts all their resources to keep them in check.

At Taronga Western Plains Zoo in Dubbo, the veterinary team prepare for a high-risk dental procedure on GoGo, a breeding zebra stallion with a fractured tooth. At the same time in Sydney, the Wildlife Hospital team are managing a delicate case of their own.

An elderly man, apparently capable of reading animals' minds, matches wits with gold thieves.

Hobo tries to keep a disoriented woman from injuring herself as she aimlessly wanders through a large amusement park.

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.

Paul Tiller and the Atlantic Bandit face fierce competition for capelin; in Placentia Bay, there's a new boat in the harbor; Morris Anstey and his son face off in a battle of wills.

Morris Anstey targets a new catch of turbot with help from Paul Tiller; Rick Crane's lobster season ends poorly, putting his plans for an engagement ring at risk.

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

Wardens must be cautious as they release a trapped black bear back into the wild; they pull together all their resources to stop illegal hunting in the valley.

Henri and Kellie encounter breakdowns and bandits; the Dirt Dogs make a huge find - but there's a catch; a failed plan means that the Gold Gypsies are out of time and options.

The Dirt Dogs gamble big to hit their goal; Henri and Kellie mount a last-chance hunt; the Gold Gypsies pursue their goal.

The season passes the halfway point and being on the water for the past two months takes its toll on crew members; one mate decides between quitting to spend more time with his wife and kids continuing on.

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.

Paul Tiller and the Atlantic Bandit face fierce competition for capelin; in Placentia Bay, there's a new boat in the harbor; Morris Anstey and his son face off in a battle of wills.

Morris Anstey targets a new catch of turbot with help from Paul Tiller; Rick Crane's lobster season ends poorly, putting his plans for an engagement ring at risk.

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

Wardens must be cautious as they release a trapped black bear back into the wild; they pull together all their resources to stop illegal hunting in the valley.

The season passes the halfway point and being on the water for the past two months takes its toll on crew members; one mate decides between quitting to spend more time with his wife and kids continuing on.

Henri and Kellie encounter breakdowns and bandits; the Dirt Dogs make a huge find - but there's a catch; a failed plan means that the Gold Gypsies are out of time and options.

The Dirt Dogs gamble big to hit their goal; Henri and Kellie mount a last-chance hunt; the Gold Gypsies pursue their goal.

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.

Paul Tiller and the Atlantic Bandit face fierce competition for capelin; in Placentia Bay, there's a new boat in the harbor; Morris Anstey and his son face off in a battle of wills.

Morris Anstey targets a new catch of turbot with help from Paul Tiller; Rick Crane's lobster season ends poorly, putting his plans for an engagement ring at risk.

Hobo helps an inept private eye with a yen for old movies solve an actual case.

Hobo helps a widow recover calves that were rustled from her ranch.

Wardens must be cautious as they release a trapped black bear back into the wild; they pull together all their resources to stop illegal hunting in the valley.

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

In week seven, captains must decide to make a long trip to where the fish are biting or take their chances fishing inshore.

Hobo helps an inept private eye with a yen for old movies solve an actual case.

Hobo helps a widow recover calves that were rustled from her ranch.

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.

A bowling challenge strikes up laughs while the Master Carve reveals the competitors' biggest hopes and fears; a shocking elimination stuns everyone.

40 black bear cub orphans are preparing for re-release into the wild at the Langen family's unique B.C. wildlife shelter.

Two yearlings that bonded after suffering traumatic losses are released; Kim is infatuated with some orphaned calves.

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

In the aftermath of one of British Columbia's largest wildfires, the Tsideldel team works to salvage timber from a burned mountain, until an unexpected incident threatens to halt the operation.

The mining season is almost over so to reach their target, Col's crew takes one last gamble by opal spotting from the air; the Cookes make one final attempt to save their opal machine; the Rookies get lucky.

A new season of opal hunting begins; the Rookies face potential disaster from the get-go; for Col's Crew, their mining quest is derailed by a serious illness; the Opal Queen brings in new muscle and new machines for an underground opal hunt.

Captain Paul Hebert tries to prove his worth and keep his job despite catching only three tuna in his first two months.

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.

A bowling challenge strikes up laughs while the Master Carve reveals the competitors' biggest hopes and fears; a shocking elimination stuns everyone.

40 black bear cub orphans are preparing for re-release into the wild at the Langen family's unique B.C. wildlife shelter.

Two yearlings that bonded after suffering traumatic losses are released; Kim is infatuated with some orphaned calves.

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

In the aftermath of one of British Columbia's largest wildfires, the Tsideldel team works to salvage timber from a burned mountain, until an unexpected incident threatens to halt the operation.

Captain Paul Hebert tries to prove his worth and keep his job despite catching only three tuna in his first two months.

The mining season is almost over so to reach their target, Col's crew takes one last gamble by opal spotting from the air; the Cookes make one final attempt to save their opal machine; the Rookies get lucky.

A new season of opal hunting begins; the Rookies face potential disaster from the get-go; for Col's Crew, their mining quest is derailed by a serious illness; the Opal Queen brings in new muscle and new machines for an underground opal hunt.

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.

A bowling challenge strikes up laughs while the Master Carve reveals the competitors' biggest hopes and fears; a shocking elimination stuns everyone.

40 black bear cub orphans are preparing for re-release into the wild at the Langen family's unique B.C. wildlife shelter.

Two yearlings that bonded after suffering traumatic losses are released; Kim is infatuated with some orphaned calves.

A teenage runaway is afraid to accept help from Hobo until her life is in danger.

A young man is injured in a fall while his pregnant wife goes into labour.

In the aftermath of one of British Columbia's largest wildfires, the Tsideldel team works to salvage timber from a burned mountain, until an unexpected incident threatens to halt the operation.

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

The season passes the halfway point and being on the water for the past two months takes its toll on crew members; one mate decides between quitting to spend more time with his wife and kids continuing on.

A teenage runaway is afraid to accept help from Hobo until her life is in danger.

A young man is injured in a fall while his pregnant wife goes into labour.

Rob visits some rescued pit bulls 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.

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

Niall travels to Africa to join the Uganda Wildlife Authority as they respond to attacks on people by Nile crocodiles.

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 competition heats up with only six weeks of fishing remaining; captains push themselves and their crews to the brink.

Rob visits some rescued pit bulls 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.

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

Niall travels to Africa to join the Uganda Wildlife Authority as they respond to attacks on people by Nile crocodiles.

The competition heats up with only six weeks of fishing remaining; captains push themselves and their crews to the brink.