Don't Lose Your Head. The guys are in Borneo, looking for a fish close to extinction - the mahseer. To find it, they risk entering the territory of the headhunting Dayak people.

Tank Of Jericho. WWE Superstar Chris Jericho wants a large aquarium with a replica championship belt and List of Jericho. Will Brett and Wayde be victorious or put on the list?

Backyard Breeder. An owner who is overbreeding dogs tries to prevent SPCA investigators from going into his home. What horrors is this evasive owner hiding?

Hurricane Ike. Houston SPCA's Chief Investigator Charles Jantzen joins his team on an emergency mission in Galveston to try to save hundreds of trapped and abandoned pets.

Turtles Take Flight. Robert and Terri take to the skies to release some sea turtles near the Great Barrier Reef. Bindi eagerly awaits the birth of the zoo's first tiger cub in years.

Pushing Forward. Tia attempts to rescue a stray, but her leg injury holds her back, and new parolee Mike struggles to balance working and being a parent.

Rugged Road Home. Marty embarks on a dangerous self-shot mission to carve a road up 300-ft cliffs. And, Misty enlists her family to build a predator-proof coop for the chickens.

Future Of The Forty. Spring arrives and the family self-shoots preparation for the epic expansion of their homestead. Misty plots a huge greenhouse to feed three generations.

Wet And Wild. It's a busy weekend in Texas. The Game Wardens deal with thousands of festival-goers on the San Marcos River and a patrol on Lake Texoma leads to multiple arrests.

The Dog Who Won Jeff's Heart. A client brings in an unusual pet who is fast outgrowing his enclosure. And, Dr. Jeff treats a pet cat with multiple serious and mysterious injuries.

Treehive Beehive. Tree whisperer Pete Nelson designs private escapes up in the treetops for those with a passion to reconnect with nature and awaken their inner child.

Roaring Back To Life. Idaho's winter ice is thawing and the people living on the banks of the River of No Return are forced to navigate the potentially fatal spring rapids.

Thanksgiving on the Homestead. Homesteaders who work together, give thanks together. The Kilchers celebrate Thanksgiving with the friends who helped prepare the homestead for winter.

Bam Bam's Big Build And Bears. A hungry predator encroaches, forcing Bird and Gabe to take stronger action. Bam Bam must play nice with his siblings to break ground on his homestead.

Pushing Forward. Tia attempts to rescue a stray, but her leg injury holds her back, and new parolee Mike struggles to balance working and being a parent.

Turtles Take Flight. Robert and Terri take to the skies to release some sea turtles near the Great Barrier Reef. Bindi eagerly awaits the birth of the zoo's first tiger cub in years.

Alaska Bites Back. Tim, Allan and Jasmine discover just how brutal Alaska can be when they embark on a journey which takes them through river crossings, ice shelves and blizzards.

Treehive Beehive. Tree whisperer Pete Nelson designs private escapes up in the treetops for those with a passion to reconnect with nature and awaken their inner child.

Backyard Breeder. An owner who is overbreeding dogs tries to prevent SPCA investigators from going into his home. What horrors is this evasive owner hiding?

Hurricane Ike. Houston SPCA's Chief Investigator Charles Jantzen joins his team on an emergency mission in Galveston to try to save hundreds of trapped and abandoned pets.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Winter Washout. In Alaska, Marty rescues his property from a deluge of snow runoff. In Hawaii, Matt builds a human-sized slingshot to bring down invasive trees.

Oscar The Grouchy Frogmouth. Terri returns to her hometown in Oregon to help Brady, a cougar in need of a health check. At the zoo, Bindi bathes an echidna with bad skin allergies.

When Deer Attack. Game Wardens patrol the Rio Grande seeking an unidentified body, whilst Warden Powell explores an unusual deer case. And, a nuisance alligator is relocated.

Unlucky Break. Dr. Jeff faces surgery first on a Rottweiler with a broken shoulder and Dr. Baier sees to a limping pig. Plus, the team head to the mountains to treat some wolves.

A Fighting Chance. Dr. Jeff conducts tricky surgery to remove a large mass from a Doberman's side. Dr. Baier treats a 10-year old cockatiel having trouble breathing.

Rock City Rescue. Tia is in Detroit helping a rescue facility at risk of closure. Villalobos looks for a stray pit bull nearby and a grieving adopter wants a dog to heal her heart.

Hounded. When an adopted dog mysteriously appears in a Mississippi shelter, Tania and Earl go to the rescue. Parolee Joe is shaken after separating two stray dogs fighting.

Hardcore Homesteading. The Raneys reflect on some of their most challenging and ingenious builds, unpacking the daring techniques they used to build off-grid.

High And Dry. Amputee Jeff and wife Carol need a liveable home, water, and a place to grow food. The Raneys build an entire cabin from scratch and harness a natural spring.

The Coolest Treehouse Ever Built. Pete creates a treehouse for two tastemakers. Featuring a wall of windows and a rooftop crow's-nest, this could be the coolest treehouse ever built.

Cockfight Club. Dan travels to Chicago to give cockfighting roosters a second chance. Meanwhile, the crew worry whether an unruly cow will be welcomed by the rest of the herd.

Secret Transformation. How do caterpillars transform into butterflies in their cocoon? Plus, why are cats' tongues the way they are? Experts answer these questions and more!

Deadly Dinner. Why are some cats cross-eyed? How do meerkats eat poisonous scorpions and how can hippos sleep whilst holding their breath? Experts answer these questions and more!

The Hidden Turtle Of Vietnam. Forrest scours lakes and rivers of both metropolitan and rural Vietnam in search of one of the last living specimens of the giant softshell turtle.

Snow Monkey Social. A new bison calf struggles to keep up with his mum. And, keepers at the Central Park Zoo hope the female snow monkeys accept a new male.

Fish-A-Palooza. Brett and Wayde reveal incredible information about the fish that customers and fans ask them about the most, and let you in on some never before seen moments.

Claims, Cans and Cabins. Otto, Eivin and August scramble to stake a claim on 10 tons of priceless steel on a distant beach. Meanwhile, Shane and Kelli break ground on their cabin.

What About Bob? Jeff teaches the bears to forage in the wild, but when Bob slashes Jeff in the arm he refuses medical care. Jeff is forced to consider the difficulty of their leaving the nest.

Bears On The Run. Jeff's unconventional hunting lessons fail to prepare Bob and Screech to hunt game in the wild, but he discovers they may be learning on their own.

The Chaos Before The Storm. Winter is approaching and Billy faces a new medical crisis. Plus, a big storm forces Noah and Rhain Alisha to make a tough decision.

The Hidden Turtle Of Vietnam. Forrest scours lakes and rivers of both metropolitan and rural Vietnam in search of one of the last living specimens of the giant softshell turtle.

Snow Monkey Social. A new bison calf struggles to keep up with his mum. And, keepers at the Central Park Zoo hope the female snow monkeys accept a new male.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Rugged Road Home. Marty embarks on a dangerous self-shot mission to carve a road up 300-ft cliffs. And, Misty enlists her family to build a predator-proof coop for the chickens.

Big Day for Baby Rhino. Terri helps prepare the zoo's new baby rhino for a life-saving vaccine. Meanwhile, Robert is on a rescue mission to save two black swans in bad shape.

Justice Served. In South Texas, a warden assists in releasing cold stunned sea turtles back into the sea. Plus, a standard patrol at a fishing spot leads to a drug bust and manhunt.

A Little Miracle. Dr. Jeff's team races to help a tiny dog to deliver a large puppy and save both lives. And, the team heads downtown to help homeless people and their pets.

Into The Jungle. Dr. Jeff and the team head to Mexico to offer free veterinary care for poor families. Over one gruelling week they will treat hundreds of animals in need.

Kindness of Strangers. After the great flood of 2016 devastates Louisiana, Tia and the Villalobos team help the victims. An elderly woman is hospitalised and separated from her dogs.

Pushing Forward. Tia attempts to rescue a stray, but her leg injury holds her back, and new parolee Mike struggles to balance working and being a parent.

Poisoned. Soil poisoned by coal production hampers a Kentucky homestead. The Raneys must build a hillside garden on the only unpolluted land and find a source of clean water.

Flood, Sweat, & Tears - Part 1. A dangerous request from the Smith family in a Missouri flood zone forces the Raneys to build a dam and plan an entire cabin move.

Treehive Beehive. Tree whisperer Pete Nelson designs private escapes up in the treetops for those with a passion to reconnect with nature and awaken their inner child.

Baby Fever. The staff at the Sanccob Seabird Rescue Centre in Cape Town race against time to help a penguin contaminated by oil, and wannabe dad Winston takes his nest-building too far!

A Royal Penguin. The Centre's grumpiest resident greets a new arrival that melts his icy heart. Princess - queen of the resident penguins - faces the biggest loss of her young life.

Eagle Eye. How does a squirrel take on a dangerous rattle snake? What makes eagles' eyes so powerful? Plus, why is the planet overrun with bugs? Experts answer these questions!

Black And White Secrets. Do parrots really know what they're talking about? How do electric eels not electrocute themselves? Plus, why are pandas black and white?

Prickly Punk. A difficult search of the Madagascan forest floor reveals the lowland tenrec, an animal that often tunnels underground and loaded with ultra-sharp senses and defences.

Medieval Raptor. Bradley and Billy discover that the Yucatan thorn forest is the ideal home for the tough spiny-tailed iguana, but a perilous place for thin-skinned humans.

Baby Bunnies, Big World. An endangered Chinese alligator shows signs of being pregnant. And, staff prepare to release rare New England cottontail rabbits into the wild.

Shaq-Sized. Wayde bumps into basketball legend and four times NBA Champion Shaquille O'Neal - who requests an aquarium built inside the front end of a semi-truck.

Journey to Perl Island. Otto, Jane & Shane transport a cabin to the distant and uninhabited Perl Island. But things take a sinister turn when they discover a predator on the loose.

Don't Lose Your Head. The guys are in Borneo, looking for a fish close to extinction - the mahseer. To find it, they risk entering the territory of the headhunting Dayak people.

Cockfight Club. Dan travels to Chicago to give cockfighting roosters a second chance. Meanwhile, the crew worry whether an unruly cow will be welcomed by the rest of the herd.

Storm Warning. With a massive storm predicted, the siblings rush to complete a project to capture and store water. Gabe prepares for his wedding with a surprise bachelor party.

Prickly Punk. A difficult search of the Madagascan forest floor reveals the lowland tenrec, an animal that often tunnels underground and loaded with ultra-sharp senses and defences.

Medieval Raptor. Bradley and Billy discover that the Yucatan thorn forest is the ideal home for the tough spiny-tailed iguana, but a perilous place for thin-skinned humans.

Baby Bunnies, Big World. An endangered Chinese alligator shows signs of being pregnant. And, staff prepare to release rare New England cottontail rabbits into the wild.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Future Of The Forty. Spring arrives and the family self-shoots preparation for the epic expansion of their homestead. Misty plots a huge greenhouse to feed three generations.

Working At The Cow Wash. As summer arrives, the team host a car wash to raise money for cows and donkeys. Meanwhile, Dan goes on a covert mission to save an injured goat.

Alyssa's Charmed Tank. Actress, activist, and entrepreneur Alyssa Milano tasks Wayde and Brett with making a tank for her family - an elegant aquarium with a built-in wine rack.

Missing Puppies. Chief Investigator Charles Jantzen and Investigator Debbie Michielson rescue a pack of dogs on the brink of turning feral from a deceased owner's property.

Grumpy Wilma. Chief investigator Charles Jantzen gets more than he bargained for when he helps out with the removal of a rather grumpy - and obese - pot-bellied pig.

Robert Trains A Dragon. Robert and Indah, a Komodo dragon, participate in an exciting research experiment. Terri tries to save a koala joey with a zero percent chance of survival.

Going The Distance. Tania heads to California to pick up a former VRC dog whose adopter has died, and after being rescued, a badly injured puppy is discovered to be a missing pet.

Fire & Ice. The Raneys create their first-ever self-automated homestead in the fierce Alaskan wilderness while firefighters Kim and Casey Boespflug are away on duty.

Shock And Awe. Marty embarks on an ambitious, off-grid hydropower system following a storm. Matt creates a meat smoker, but a surprise accident leads to a construction site injury.

Crash Course. In Galveston County, a game warden needs to find a home for an alligator. Plus, in Hunt County the wardens investigate a family's property damaged by bullets.

Saving Bear. Dr. Jeff performs a risky new surgery to save a puppy's leg. Will it be good enough to make this dog walk again? Plus, an abandoned cat's x-ray tells a shocking story.

Kentucky Climber's Cottage. Pete creates a climber's haven for an arboreal couple that rivals his love of trees- with 17-foot high ceilings and open-frame timber rafters.

Central Alaska's Bigfoot. A team of outdoorsmen is taking on the challenge of exploring the Alaska Triangle to uncover proof of the cryptic creatures thought to be living there.

Christmas Kaboom! The Kilchers put their own spin on a Secret Santa gift exchange: hand-making something useful for someone in the family, from a crossbow to explosives.

Bear Meets Girl. When an ostrich lays its first egg, the Brown siblings rush to work out how to incubate it. And, Bear gets a special visit from a girl on North Star Ranch.

Going The Distance. Tania heads to California to pick up a former VRC dog whose adopter has died, and after being rescued, a badly injured puppy is discovered to be a missing pet.

Robert Trains A Dragon. Robert and Indah, a Komodo dragon, participate in an exciting research experiment. Terri tries to save a koala joey with a zero percent chance of survival.

Roaring Back To Life. Idaho's winter ice is thawing and the people living on the banks of the River of No Return are forced to navigate the potentially fatal spring rapids.

Kentucky Climber's Cottage. Pete creates a climber's haven for an arboreal couple that rivals his love of trees- with 17-foot high ceilings and open-frame timber rafters.

Missing Puppies. Chief Investigator Charles Jantzen and Investigator Debbie Michielson rescue a pack of dogs on the brink of turning feral from a deceased owner's property.

Grumpy Wilma. Chief investigator Charles Jantzen gets more than he bargained for when he helps out with the removal of a rather grumpy - and obese - pot-bellied pig.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Hardcore Homesteading. The Raneys reflect on some of their most challenging and ingenious builds, unpacking the daring techniques they used to build off-grid.

Teenage Bears. Jeff is pleased with Bob and Screech learning how to feed themselves. He teaches them how to den up for the winter. Plus, the grizzlies get territorial.

Kevin Smith's Tortally Awesome Tank. Famous filmmaker, Kevin Smith, needs a new home for his two turtles and one tortoise. Can Brett and Wayde build a tank to house both species?

Insulin Injection. Investigator Trischa Price is called out on an animal cruelty case with sinister undertones. She finds a sick horse, and nearby, some needles. What is going on?

Fred the Chimpanzee. SPCA investigators are called out on a shocking case - to rescue a 25-year-old chimpanzee that has been found living alone in a cage at his owner's house.

Bindi Says Yes! As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend. Meanwhile, things get dangerous as Robert wrangles gators in thick mud.

Longing For Home. Newlyweds from New Jersey seek a new family member, and back home with his family in Virginia, long-time parolee Sui faces a tough decision.

Killzone. Marty helps Oregon homesteaders build a barn, Misty creates her first-ever subterranean garden, and Matt finds a humane approach to a mysterious predator threat.

Fury & Fire. Threatened by an approaching wildfire, Stuart and Toni Rinker need a solution to their failing Idaho homestead. But, Stuart opposes the Raneys' fire-proofing plans.

Back Road Bait. It's snapper season on the Gulf and the wardens are busy with fishermen who are breaking the law. Plus, two men are investigated for cruelty towards a pig.

Hog Wild. When a puppy is found abandoned with a broken leg, Dr. Jeff is his only hope to walk again. Plus, the team cares for a Boston Terrier who shows signs of a serious illness.

High Noon Saloon. Pete saddles up to build a wild-west themed treehouse. Set in a lone Douglas Fir, Pete builds a structure with a county jail loft and copper ceiling.

Dusty vs The Monster. When a potentially record-breaking python escapes Dusty's grasp, his obsession to catch it leads him to the most dangerous solo mission of his career.

Call of the Cattleman. The Kilchers pay tribute to a fallen friend by driving cattle back home. Atz Lee winterizes the Hunters Cabin, preparing to move further off the homestead.

Noah's Animal Ark. The Browns flee the mountain during a dangerous lightning storm in the heat of fire season. To ensure their safety, they devise ingenious new fire safety measures.

Longing For Home. Newlyweds from New Jersey seek a new family member, and back home with his family in Virginia, long-time parolee Sui faces a tough decision.

Bindi Says Yes! As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend. Meanwhile, things get dangerous as Robert wrangles gators in thick mud.

Central Alaska's Bigfoot. A team of outdoorsmen is taking on the challenge of exploring the Alaska Triangle to uncover proof of the cryptic creatures thought to be living there.

High Noon Saloon. Pete saddles up to build a wild-west themed treehouse. Set in a lone Douglas Fir, Pete builds a structure with a county jail loft and copper ceiling.

Insulin Injection. Investigator Trischa Price is called out on an animal cruelty case with sinister undertones. She finds a sick horse, and nearby, some needles. What is going on?

Fred the Chimpanzee. SPCA investigators are called out on a shocking case - to rescue a 25-year-old chimpanzee that has been found living alone in a cage at his owner's house.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

High And Dry. Amputee Jeff and wife Carol need a liveable home, water, and a place to grow food. The Raneys build an entire cabin from scratch and harness a natural spring.

Letting Go. As the bears' re-wilding journey nears its end, Jeff has one lesson left to teach - fear of humans. Their release date is imminent but will they be ready to survive on their own?

Ty Dolla's Fresh Tank. Hip-hop artist Ty Dolla $ign commissions a huge freshwater tank in his Long Beach house with a real rock insert and perfect replicas of his awards.

Liberty County Battle. SPCA Investigator Jennifer Francis helps police seize four emaciated horses and a calf following a heated exchange with the owner.

Slick. The SPCA responds to a call about two dogs that have been callously abandoned by their owner. And, the barn team is called on to take care of 100 fighting roosters.

Australia Zoo Begins Again. After weeks of being closed due to the pandemic, the Irwins prepare for the reopening of the zoo. Plus, Robert helps deliver a litter of tiger cubs.

Unleashed. A look back at the most memorable moments in the season. Featuring never-before-seen footage, a look behind the scenes, and a catch up with past favourites.

ERA Alaska Rises Again. After two months of darkness, the villages of Western Alaska need supplies. Plus, Jim tries to land on a frozen river and Luke has problems taking off.

Every Dog Has Its Day. While Ferno, Ayla and Ariel Tweto run with the reindeer, a tsunami warning threatens the West coast and a pilot battles malfunctioning controls.

Deceived. In southwest Texas, game wardens struggle to catch a deer before it hurts itself. Then, wardens investigate a call about a man impersonating them.

The Heart Of A Pit Bull. A young man's pet goat is injured in a freak accident. Can Dr. Jeff help? Plus, Gus, a dog, has swallowed a mysterious object and has been unwell since.

Twin Fix. Pete returns to two of his first builds to reconstruct and refresh a pair of treehouses needing major makeovers. Can the team give them new life?

Making The Grade. PC Bartley reminisces about his first dog, who was killed in action chasing a gang of burglars. Sniffer dog Lucy is called into action when a driver is stopped.

The first scientists with unlimited access to the Chernobyl danger zone explore how the environment and wildlife are affected after 30 years in the most contaminated area on earth.

Where There's Water There's A Way. As the siblings race to finish their water system, Billy gets news that shakes the Wolfpack. Bear goes hunting and reflects on a big life decision.

Unleashed. A look back at the most memorable moments in the season. Featuring never-before-seen footage, a look behind the scenes, and a catch up with past favourites.

Australia Zoo Begins Again. After weeks of being closed due to the pandemic, the Irwins prepare for the reopening of the zoo. Plus, Robert helps deliver a litter of tiger cubs.

Dusty vs The Monster. When a potentially record-breaking python escapes Dusty's grasp, his obsession to catch it leads him to the most dangerous solo mission of his career.

Twin Fix. Pete returns to two of his first builds to reconstruct and refresh a pair of treehouses needing major makeovers. Can the team give them new life?

Liberty County Battle. SPCA Investigator Jennifer Francis helps police seize four emaciated horses and a calf following a heated exchange with the owner.

Slick. The SPCA responds to a call about two dogs that have been callously abandoned by their owner. And, the barn team is called on to take care of 100 fighting roosters.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

ERA Alaska Rises Again. After two months of darkness, the villages of Western Alaska need supplies. Plus, Jim tries to land on a frozen river and Luke has problems taking off.

Mama's Boy. Overgrown mummy's boy Pete won't leave the parental home. Options are running out for a penguin with a dislocated knee, and one-eyed Edgar is keen to please his wife.

Portly Penguin. The staff battle to save a vulnerable chick, a portly penguin is put on a strict diet, and in home pen a juvenile of unknown gender gets some important test results.

Sweet Tank O' Mine. Rock star DJ Ashba needs a tank for his new retail store ASAP! DJ will host a grand opening party with the tank as the centrepiece. Can the guys hit the deadline?

Cats in Trouble. When it becomes apparent that a group of cats are in peril, the investigators from the Houston Society for the Prevention of Cruelty to Animals swoop into action.

Wild Cats. Follow the work of the Houston Society for the Prevention of Cruelty to Animals as they tackle cases of cruelty and neglect, and promote animal welfare.

Tiger Triplets. Bindi and the family plan an emotional surprise for Terri in the Crocoseum. Plus, Robert gets stuck in with helping the zoo's three new adorable tiger cubs.

City Of Second Chances. The team discovers a dog that has been abandoned in a nearby playground in searing heat. And, Lizzy makes an emergency trip to save a dog hit by a car.

Arctic Winds. John fights turbulence and passengers on a flight. Plus, Jim and Ferno leave the pilots in charge of the terminal while Sarah's flight turns into a battle for survival.

Money in the Sky. While pilots try to deliver a specialty drill, Luke brings the first ever ATM to Wainwright. Plus, Erik races to deliver passengers before a storm arrives.

High Desert Drama. In Hunt County, wardens investigate rumours of wolves being kept as pets. Plus, turtles are released back into the sea and there are reports of donkeys being shot.

Lily's Puppy Mill Rescue. A dog with a rare disease needs life-saving surgery - one that Dr. Jeff has never done before. Plus, a cat has a mysterious injury. Can the team help?

Ultimate Treehouse Giveaway. On this special episode, Pete and the NTS crew build the 'Ultimate Treehouse' for the lucky winner of the Ultimate Treehouse Giveaway.

No Turning Back. The volunteers encounter a blizzard, freezing rivers and sub-zero temperatures. They feel like they are losing it, but at this point there is no turning back.

Snowy Roundup. At the head of the bay, Atz Sr. has wild game in his sights. Meanwhile, Atz Lee and Jane tackle a long-overdue task to secure their cabin for the winter.

Life In The Extreme. It's late fall and the Browns kickstart their ambitious cabin build. Plus, the family attempts to organise an extreme wedding in the mountains.

City Of Second Chances. The team discovers a dog that has been abandoned in a nearby playground in searing heat. And, Lizzy makes an emergency trip to save a dog hit by a car.

Tiger Triplets. Bindi and the family plan an emotional surprise for Terri in the Crocoseum. Plus, Robert gets stuck in with helping the zoo's three new adorable tiger cubs.

Making The Grade. PC Bartley reminisces about his first dog, who was killed in action chasing a gang of burglars. Sniffer dog Lucy is called into action when a driver is stopped.

Ultimate Treehouse Giveaway. On this special episode, Pete and the NTS crew build the 'Ultimate Treehouse' for the lucky winner of the Ultimate Treehouse Giveaway.

Cats in Trouble. When it becomes apparent that a group of cats are in peril, the investigators from the Houston Society for the Prevention of Cruelty to Animals swoop into action.

Wild Cats. Follow the work of the Houston Society for the Prevention of Cruelty to Animals as they tackle cases of cruelty and neglect, and promote animal welfare.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Every Dog Has Its Day. While Ferno, Ayla and Ariel Tweto run with the reindeer, a tsunami warning threatens the West coast and a pilot battles malfunctioning controls.

Tacos & Tarpon. In Mexico, the crew navigate a maze of crocodile and mosquito-infested waterways and lagoons in search of a rumoured paradise for fishing tarpon.

Panama City Beach Tank. A resort in Panama City Beach wants a nautical-themed fish tank as the centrepiece of its new restaurant! This job is bound to make the boys want a vacation!

Undercover. Animal cruelty investigators join forces with Texas police officers in an attempt to smash one of the biggest dog fighting rings in US history.

Coming Up Daisy. When investigators from the Houston SPCA respond to a call at a livery stable they find themselves in a life or death battle to save a severely neglected horse.

Bushfire Rescue. After historical wildfires strike Australia, the Irwins race to rescue as many animals as possible. Robert and Terri help the severely injured koala population.

A Home At Last. Villalobos' oldest resident, a pit with severe arthritis, is rehomed. Earl works to improve a dog's social skills and Kanani's girlfriend takes on her first rescue.

Blizzard BBQ. When a storm threatens to shut down Era Alaska's operations, Ben faces dangerous conditions on his journey. And, Erik resorts to drastic measures to deliver medicine.

Tomorrow Island. Two pilots push their limits to land on Alaska's most treacherous runway. In Unalakleet, Ariel Tweto takes to the skies and proves that she still has a lot to learn.

Fawn Stars. In Liberty County, the death of a deer is investigated. Fawns in Harris County are being illegally kept as pets. And, a suspicious car is stopped in Red River County.

The Littlest Patients. While Dr. Jeff performs rare surgery on a puppy, the team try to save the life of a kitten named Hope. Plus, a dog bought online fights a deadly disease.

Germany. Pete joins two renowned treehouse builders - Christopher Richter and Andreas Wenning - as they tour Deutschland and every treehouse they can find.

Bearing Down On The Ranch. A rancher along the river is threatened by a predatory bear that is stalking the homestead and is forced to aggressively protect himself and his cattle.

Will Winter Come? The Kilchers make final preparations for winter. Eivin, Atz Lee, Jane and Shane embark on an epic group hunt for deer to fill their freezers.

Rumble In The Bush. Gabe is attacked by an aggressive ostrich and loses one of his most prized possessions in the process. Plus, the family prepare the land for winter.

A Home At Last. Villalobos' oldest resident, a pit with severe arthritis, is rehomed. Earl works to improve a dog's social skills and Kanani's girlfriend takes on her first rescue.

Bushfire Rescue. After historical wildfires strike Australia, the Irwins race to rescue as many animals as possible. Robert and Terri help the severely injured koala population.

No Turning Back. The volunteers encounter a blizzard, freezing rivers and sub-zero temperatures. They feel like they are losing it, but at this point there is no turning back.

Germany. Pete joins two renowned treehouse builders - Christopher Richter and Andreas Wenning - as they tour Deutschland and every treehouse they can find.

Undercover. Animal cruelty investigators join forces with Texas police officers in an attempt to smash one of the biggest dog fighting rings in US history.

Coming Up Daisy. When investigators from the Houston SPCA respond to a call at a livery stable they find themselves in a life or death battle to save a severely neglected horse.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Arctic Winds. John fights turbulence and passengers on a flight. Plus, Jim and Ferno leave the pilots in charge of the terminal while Sarah's flight turns into a battle for survival.

Robert Trains A Dragon. Robert and Indah, a Komodo dragon, participate in an exciting research experiment. Terri tries to save a koala joey with a zero percent chance of survival.

Back Road Bait. It's snapper season on the Gulf and the wardens are busy with fishermen who are breaking the law. Plus, two men are investigated for cruelty towards a pig.

Saving Bear. Dr. Jeff performs a risky new surgery to save a puppy's leg. Will it be good enough to make this dog walk again? Plus, an abandoned cat's x-ray tells a shocking story.

Hog Wild. When a puppy is found abandoned with a broken leg, Dr. Jeff is his only hope to walk again. Plus, the team cares for a Boston Terrier who shows signs of a serious illness.

Longing For Home. Newlyweds from New Jersey seek a new family member, and back home with his family in Virginia, long-time parolee Sui faces a tough decision.

Unleashed. A look back at the most memorable moments in the season. Featuring never-before-seen footage, a look behind the scenes, and a catch up with past favourites.

Guts and Glory. Jim flies a group of climbers into a remote area. And, Luke takes a whaling crew in search of a site to hunt the Bowhead whale so that they can feed their community.

Top of the World. Jim searches for a group of missing mountain climbers. Plus, Luke races to transport a village elder to the hospital and a pilot attempts to set a world record.

Kentucky Climber's Cottage. Pete creates a climber's haven for an arboreal couple that rivals his love of trees- with 17-foot high ceilings and open-frame timber rafters.

Working At The Cow Wash. As summer arrives, the team host a car wash to raise money for cows and donkeys. Meanwhile, Dan goes on a covert mission to save an injured goat.

Cool Koalas And Elephant Calls. How do koalas keep cool in the Australian sun? How do elephants communicate when they are miles apart? Experts answer these questions!

Cat Speech. What are cats trying to communicate to humans? Why have some of the world's cleverest monkeys turned to a life of crime? Experts answer these questions and more!

The Asian Unicorn. Wildlife biologist, Forrest Gallante, scours the globe using cutting edge technology on his mission to find species that the world has stopped looking for.

Giraffe In The City. A sweet giraffe named Mashengo journeys to his new home in the Bronx. Keepers hand-raise endangered ducklings and release them at Central Park Children's Zoo.

Alyssa's Charmed Tank. Actress, activist, and entrepreneur Alyssa Milano tasks Wayde and Brett with making a tank for her family - an elegant aquarium with a built-in wine rack.

Call of the Cattleman. The Kilchers pay tribute to a fallen friend by driving cattle back home. Atz Lee winterizes the Hunters Cabin, preparing to move further off the homestead.

Teenage Bears. Jeff is pleased with Bob and Screech learning how to feed themselves. He teaches them how to den up for the winter. Plus, the grizzlies get territorial.

Letting Go. As the bears' re-wilding journey nears its end, Jeff has one lesson left to teach - fear of humans. Their release date is imminent but will they be ready to survive on their own?

Noah's Animal Ark. The Browns flee the mountain during a dangerous lightning storm in the heat of fire season. To ensure their safety, they devise ingenious new fire safety measures.

The Asian Unicorn. Wildlife biologist, Forrest Gallante, scours the globe using cutting edge technology on his mission to find species that the world has stopped looking for.

Giraffe In The City. A sweet giraffe named Mashengo journeys to his new home in the Bronx. Keepers hand-raise endangered ducklings and release them at Central Park Children's Zoo.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Teleshopping.

Money in the Sky. While pilots try to deliver a specialty drill, Luke brings the first ever ATM to Wainwright. Plus, Erik races to deliver passengers before a storm arrives.

Bindi Says Yes! As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend. Meanwhile, things get dangerous as Robert wrangles gators in thick mud.

Deceived. In southwest Texas, game wardens struggle to catch a deer before it hurts itself. Then, wardens investigate a call about a man impersonating them.

The Heart Of A Pit Bull. A young man's pet goat is injured in a freak accident. Can Dr. Jeff help? Plus, Gus, a dog, has swallowed a mysterious object and has been unwell since.

Lily's Puppy Mill Rescue. A dog with a rare disease needs life-saving surgery - one that Dr. Jeff has never done before. Plus, a cat has a mysterious injury. Can the team help?

City Of Second Chances. The team discovers a dog that has been abandoned in a nearby playground in searing heat. And, Lizzy makes an emergency trip to save a dog hit by a car.

A Home At Last. Villalobos' oldest resident, a pit with severe arthritis, is rehomed. Earl works to improve a dog's social skills and Kanani's girlfriend takes on her first rescue.

Breakup. Era Alaska provides aid to a village devastated by flooding. Plus, pilots get lost off the Russian coast while delivering ammunition and Jim's Cessna 180 goes up in smoke.

Cakes on a Plane. Ariel takes to the skies in a new plane with dangerous results. Meanwhile, lead pilot Erik Snuggerud battles heavy turbulence with a very special delivery.

Twin Fix. Pete returns to two of his first builds to reconstruct and refresh a pair of treehouses needing major makeovers. Can the team give them new life?

Mama's Boy. Overgrown mummy's boy Pete won't leave the parental home. Options are running out for a penguin with a dislocated knee, and one-eyed Edgar is keen to please his wife.

Portly Penguin. The staff battle to save a vulnerable chick, a portly penguin is put on a strict diet, and in home pen a juvenile of unknown gender gets some important test results.

Sheep-Wrangling Dogs And Turtle Tears. Why are moths attracted to flames? Why do turtles cry? And, why do sea otters bond with stones? Experts answer these questions and more!

Foxy Foxes And Sticky Spiders. Why don't spiders get stuck in their own webs? How do foxes find water in the desert? Experts answer these questions and more!

Adorable Assassin. The team is in Madagascar to study the recently-discovered Goodman's mouse lemur. One of the world's smallest primates, it's incredible agile and ferocious.

Winged Warrior. Bradley and Billy are hunting for dragons deep in the rainforests of Thailand. The flying dragon rules the jungle canopy, gliding and dive-bombing its prey.

Taming Of The Shrew. Cardiologists try to determine why the geladas are experiencing a life-threatening heart condition. And, after a shaky start, the elephant shrews are breeding.

Kevin Smith's Tortally Awesome Tank. Famous filmmaker, Kevin Smith, needs a new home for his two turtles and one tortoise. Can Brett and Wayde build a tank to house both species?