After an emotional reunion, Na'im vows to get Rachel to day 21; a group must migrate through a croc-infested swamp; Bulent finally comes nose-to-snout with the elusive pig he's been hunting; a survivalist is forced out of the challenge.

Bulent struggles with uninvited guests and scrambles to protect his huge meat win; a water migration tests Na'im, Kerra and Justin's raft -- and a mysterious fever puts their challenge at risk; the groups join forces to push north for extraction.

To be rescued, the remaining castaways must hike across jagged, volcanic rock and crumbling cliffs, build a large signal fire, and construct a raft from driftwood and debris; an explosive fight between Na'im and Patrick threatens extraction.

Medics intervene when Justin tries fruit known as the Little Apple of Death; a clash about fire sparks into a raging fight between Kerra, Na'im and Bulent; Andrew and Heather question Patrick's hunt for a saltwater croc.

After an emotional reunion, Na'im vows to get Rachel to day 21; a group must migrate through a croc-infested swamp; Bulent finally comes nose-to-snout with the elusive pig he's been hunting; a survivalist is forced out of the challenge.

Bulent struggles with uninvited guests and scrambles to protect his huge meat win; a water migration tests Na'im, Kerra and Justin's raft -- and a mysterious fever puts their challenge at risk; the groups join forces to push north for extraction.

To be rescued, the remaining castaways must hike across jagged, volcanic rock and crumbling cliffs, build a large signal fire, and construct a raft from driftwood and debris; an explosive fight between Na'im and Patrick threatens extraction.

In a lethal African hunting ground, a biker chick and a taxidermist have to stay on the move to survive; the pair must push across 21 miles of savannah to find food and water while avoiding a pride of lions that's tracking them every step of the way.

Deep in Mexico's Baja desert lies the scorching wasteland of the Devil's Canyon; a Canadian mountain man teams up with an experienced homesteader to take on the canyon's triple-digit heat, scarce water, and venomous predators.

Cheshire Cats; famous pub kittens; world's loudest cat; a scientist believes he knows where cats go when they leave home.

A funeral parlor cat consoles bereaved visitors; a cat breed resembles a.

British Marine Pen Farthing is the founder of Nowzad, Afghanistan's only official animal sanctuary; when a U.S. soldier rescues six puppies while deployed and can't bring them back home, Pen and his team are on a mission to get them reunited.

It's a series of firsts when the zoo welcomes its first-ever Atlantic puffin chick; Penny the rhino undergoes a series of allergy tests; an endangered species of gecko welcomes its first hatchling.

The guys discover Greenland is wilderness at its most pure - and most dangerous - when they follow a lead to an extremely remote river believed to hold massive Arctic char.

The crew heads to Mongolia in search of taimen, the largest, most ferocious member of the salmon family.

Terri welcomes Mballa, a new cheetah cub from South Africa, to the Australia Zoo family; Robert sets out to save a stranded platypus and Bindi prepares to meet Bert the Koala Joey as he emerges from his mother's pouch for the first time.

Mariah is devastated when she learns that a friend has passed away; several dogs are dumped at Villalobos, pushing kennels to the limit; a couple from Tia's past and their father-in-law adopt four dogs, necessitating a trip back to California.

Tia readies for the worst as hurricane season approaches; a clue may help Mariah and the twins locate a dog's owner; Rico's grandparents adopt a shy dog.

Inman and Eddins assist on a manhunt when a suspect runs a constable off the road; an ordinary fishing check in Navarro County leads Amundson to illegal activity; in Jasper County, game wardens patrol an area after receiving trespassing complaints.

Eddins helps a neighbor in need; Reneau responds to a call about a baby red-tailed hawk; Richards attempts to serve an arrest warrant; Startz patrols solo on the Guadalupe River; wardens monitor the Rio Grande.

A badly injured tortoise needs an innovative procedure; an eagle's death is investigated; out on the lake, wardens educate the public on staying safe; as night falls, a car crash turns into a manhunt.

A shrimp boat tries to make a run for it; one warden makes some furry friends; a simple trespass warning turns into a trip to jail; a warden helps a woman spiraling out of control.

Game Warden Boone responds to a venomous rattlesnake; game wardens investigate the illegal killing of a goose in the Texas Panhandle; Game Wardens follow up on a tip about a man going over the fishing limit.

During Montana's antler shed hunting season, the wardens are kept on their toes while locating bears, mountain lions and lost hunters; warden Bryan Golie questions an angler in search of the truth.

The wardens of Region 1 and 3 set off to educate the public on Montana's aquatic invasive species population. Meanwhile, a tribute is made for one of Montana's honorary wardens.

Wardens stumble upon a heated situation on the side of the road; Lesofski searches for the culprit behind an elk carcass; a riverside check station cites four minors under the influence; underage drivers are caught behind the wheel.

The day takes a grim turn when wardens step into the world of.

During Montana's antler shed hunting season, the wardens are kept on their toes while locating bears, mountain lions and lost hunters; warden Bryan Golie questions an angler in search of the truth.

The wardens of Region 1 and 3 set off to educate the public on Montana's aquatic invasive species population. Meanwhile, a tribute is made for one of Montana's honorary wardens.

Wardens stumble upon a heated situation on the side of the road; Lesofski searches for the culprit behind an elk carcass; a riverside check station cites four minors under the influence; underage drivers are caught behind the wheel.

The day takes a grim turn when wardens step into the world of.

Eddins helps a neighbor in need; Reneau responds to a call about a baby red-tailed hawk; Richards attempts to serve an arrest warrant; Startz patrols solo on the Guadalupe River; wardens monitor the Rio Grande.

A badly injured tortoise needs an innovative procedure; an eagle's death is investigated; out on the lake, wardens educate the public on staying safe; as night falls, a car crash turns into a manhunt.

Japan's cat culture includes cat cafes and lucky Maneki Neko (.

The first domesticated felines; a cat co-hosts a radio talk show; the cat world's version of Shirley Temple; a cat travels the Italian coast.

Chimp expert Estelle Raballand has formed an incredible bond with Ponso, a chimp who lives alone on an island and has been dubbed the loneliest chimp in the world; she's determined to find him a companion and thinks she has found the perfect match.

A trio of abandoned puma cubs arrives at the zoo, while the staff grows concerned that Ella, the oldest rhino, is not acting herself; a Caribbean flamingo is born at the zoo after nearly two decades, and Otto the stallion makes his debut.

The men risk life and limb traveling through Borneo's jungles in search of mahseer, which has been fished almost to extinction.

In Mexico, the crew navigates a maze of crocodile and mosquito-infested waterways and lagoons in search of a rumored paradise for fishing tarpon.

Terri helps determine if Caballe the rhino is pregnant, while Robert hopes to get the zoo's Aldabra giant tortoises to mate.

Hurricane Isaac batters New Orleans, flooding Villalobos' evacuation location and isolating Tia from the rest of the world.

Tia recalls dramatic rescues and heartwarming moments from the fourth season of the series; updates on featured dogs.

A dog named Mac is rushed in after being hit by a car; Dr. Amy performs surgery on a dog named Rebel who was impaled with a stick, while Dr. Baier helps Kino, a hound in heat.

Coco the Frenchie needs Dr. Jeff's help to remove a large lump from her face; vet tech Christine faces her fear of birds while helping pigeons from Rocky Mountain Adventures; Drs. Jeff and Baier aid a red-back turtle with an infected foot.

Dr. Jeff discovers a large mass on a loveable canine; Dr. Don helps Kelly the vet tech with her dog's sun-damaged nose; Dr. Baier and Hector join forces to treat wild bison.

The team works its magic on a photo booth and constructs an underwater wonderland in a wing of an Ohio children's hospital.

Revisiting tanks Wayde and Brett have created for celebrities, including comic Tracy Morgan, actor Neil Patrick Harris and rock band Kiss.

The owner of a furniture store wants a tranquil tank for his bedding section; the owner of a tattoo parlor hopes an aquarium will put first-time customers at ease.

A casino wants a 35-foot-long tank built in three weeks; the team works on a jellyfish tank for a Las Vegas ice lounge; Wayde pulls a prank on Brett.

Wayde and Brett recall their favorite projects from the first season and share never-before-seen footage.

Brett and Wayde recall the toughest tank builds from the show's first season.

The owner of a furniture store wants a tranquil tank for his bedding section; the owner of a tattoo parlor hopes an aquarium will put first-time customers at ease.

A casino wants a 35-foot-long tank built in three weeks; the team works on a jellyfish tank for a Las Vegas ice lounge; Wayde pulls a prank on Brett.

Wayde and Brett recall their favorite projects from the first season and share never-before-seen footage.

Brett and Wayde recall the toughest tank builds from the show's first season.

Coco the Frenchie needs Dr. Jeff's help to remove a large lump from her face; vet tech Christine faces her fear of birds while helping pigeons from Rocky Mountain Adventures; Drs. Jeff and Baier aid a red-back turtle with an infected foot.

Dr. Jeff discovers a large mass on a loveable canine; Dr. Don helps Kelly the vet tech with her dog's sun-damaged nose; Dr. Baier and Hector join forces to treat wild bison.

Software manufacturers design applications for felines; learning how cats can survive falls from great heights; a cat brings happiness to prison inmates.

Arabian maus call the desert home; khao manees often have two different-colored eyes; additional breeds profiled include the European shorthair and American wirehair.

Derrick Campana first began building prosthetics for humans, but one day that all changed when he built his first prosthetic for a dog, and then an elephant.

The zoo's lone kangaroo is getting a mate, and the staff is hopeful for a new generation; after months of quarantine, it's moving day for a pair of Mang Mountain pit vipers, and African spoonbill chick Sterling shares a special bond with his keeper.

The crew travels to Australia, where aboriginal guides take them way off the grid to a fisherman's paradise in search of barramundi.

Off the extreme eastern tip of Papua New Guinea lies Milne Bay and it's rumored to be home to huge schools of one of the greatest sportfish ever, the giant trevally; trying to hook and land a giant trevally on a fly rod will be the ultimate test.

Terri attends the exam of Charlie the tiger to determine if his tumors were successfully treated; Bindi and the Small Mammal Team help develop a vaccine for Eden the Tasmanian devil; Robert discovers the true genders of the zoo's shingleback lizards.

Ten dogs are rescued from inhumane conditions; Tia finds companion for special needs teen.

Tia is lured into a potentially deadly rescue when two pit bulls hide behind a stack of lumber.

Andrea Schlake volunteers at an animal sanctuary when a chimpanzee escapes its enclosure and chases her down; a great white shark knocks surfer Todd Endris off his board and attacks him.

A grizzly bear charges taxidermist Wilf Lloyd while he hunts elk with his son-in-law in the Canadian Rocky Mountains; miles from shore, diving 180 feet below the surface, spearfisher Anthony Segrich finds a bull shark charging toward him.

Jim Lane picks blueberries alone in the Blue Ridge Mountains until a timber rattlesnake attacks; teacher Rachael Lilienthal's swim in a Florida river becomes a struggle when an alligator bites down on her arm, pulls her underwater and doesn't let go.

A polar bear chases down Erin Greene as she walks home from a Halloween party in a small arctic town; a bull shark attacks triathlete Chuck Anderson in the Gulf of Mexico, biting his arm and pulling him to the ocean floor.

Diver Tim Saxon films underwater at the Great Barrier Reef and gets stung by an Irukandji jellyfish, one of the world's most venomous animals; a grizzly bear attacks forester George Knoll in the remote Great Bear Rainforest.

Jeremy searches for a modern-day.

Jeremy travels to the Amur River in eastern Russia, where a mammoth predator is allegedly responsible for the disappearances of three fishermen.

Jeremy stalks a rare river beast in Mongolia while minding the armed outlaws in the wilderness.

Jeremy investigates grisly river attacks in the Himalayas, but is warned that the suspected predator is a sacred creature.

Jeremy searches for a modern-day.

Jeremy travels to the Amur River in eastern Russia, where a mammoth predator is allegedly responsible for the disappearances of three fishermen.

Jeremy stalks a rare river beast in Mongolia while minding the armed outlaws in the wilderness.

Jeremy investigates grisly river attacks in the Himalayas, but is warned that the suspected predator is a sacred creature.

A grizzly bear charges taxidermist Wilf Lloyd while he hunts elk with his son-in-law in the Canadian Rocky Mountains; miles from shore, diving 180 feet below the surface, spearfisher Anthony Segrich finds a bull shark charging toward him.

Jim Lane picks blueberries alone in the Blue Ridge Mountains until a timber rattlesnake attacks; teacher Rachael Lilienthal's swim in a Florida river becomes a struggle when an alligator bites down on her arm, pulls her underwater and doesn't let go.

Florida golfers help cats hanging around their links; John meets cat-loving detectives who help pet owners find lost kitties; The latest advances in cat physical therapy.

A particular kind of cat likes to eat at the table; a Russian breed helps people who suffer from cat allergens; the world's rarest feline breed.

Jan Creamer and Tim Phillips, two of the most effective animal crusaders in the world, found Animal Defenders International in 1990 and target the abuse of animals in circuses.

The zoo welcomes Edward the bat-eared fox as its newest ambassador animal; Amani the aardvark undergoes dental surgery, and the pelican flock gets a new winter home; a snow day means playtime for the animals and hard work for the zoo staff.

Lake Windsor on Inagua Island is home to a mystery.

The crew heads to one of the most remote and inhospitable jungles of Ecuador to try and land an arapaima, the largest scaled freshwater fish in the world.

The family makes the annual trip to the Steve Irwin Wildlife Reserve to capture, study and release wild crocodiles, a mission started by Steve and Terri that provides research vital to the protection of Australia's apex predators.

A rescue mission focuses on a protective mama and her litter; William must step up and control rowdy puppies.

The Villalobos crew races into the city in search of a dog reportedly hit by a car; with the new arrival needing a kennel, Tia hopes adopting out a dog to a police officer and his sister will relieve capacity.

Lucas stretches beyond his realm of knowledge and enlists the help of Emperor Caesar himself to build a Roman palace-themed pool on the Gulf of Mexico.

Lucas attempts to make a 5-star hotel-style pool with a hidden entertainment zone out of a small, suburban backyard.

Lucas Congdon is tasked with creating a bird pond oasis and a human pool within an outdated, unkept backyard in the middle of a designated bird sanctuary for a very eco-friendly oriented family in Osprey, Fla.

Pete makes a treehouse touchdown in Pittsburgh for Antonio Brown, wide receiver for the Pittsburgh Steelers; his plan is to build a luxury skybox with a two story window wall that overlooks a custom basketball court and football field.

Pete answers the call of duty to build a tree house in Pennsylvania that focuses on the children of Marines; cargo netting off the deck provides an exciting way to enter, while even more nets inside form a bridge to access a private loft space.

Pete tackles the first climb-in movie theater; concessions are served to seating pods through a pulley system and loungers elevate into the trees to give perfect views of the big screen; a tree house for monkeys at the Los Angeles Zoo.

Pete's fun-loving friend is the lucky recipient of a treehouse built strictly for good times; the team builds a dream of a treehouse complete with a wine bar, a loft, and their first-ever hot tub in the woods of Western Washington.

A friend of Pete's has the tree house bug and decides to open a tree house B&B; the classic A-Frame structure has all the amenities and a waterfall that pours from the wraparound deck to the pond below.

Taking a look back at builds from the past is always a joy for Pete Nelson and the carpenters of NT&S; Pete and a few crew members gather around the campfire to poke fun at one another about the shenanigans they shared when building in the trees.

Pete tackles the first climb-in movie theater; concessions are served to seating pods through a pulley system and loungers elevate into the trees to give perfect views of the big screen; a tree house for monkeys at the Los Angeles Zoo.

Pete's fun-loving friend is the lucky recipient of a treehouse built strictly for good times; the team builds a dream of a treehouse complete with a wine bar, a loft, and their first-ever hot tub in the woods of Western Washington.

A friend of Pete's has the tree house bug and decides to open a tree house B&B; the classic A-Frame structure has all the amenities and a waterfall that pours from the wraparound deck to the pond below.

Taking a look back at builds from the past is always a joy for Pete Nelson and the carpenters of NT&S; Pete and a few crew members gather around the campfire to poke fun at one another about the shenanigans they shared when building in the trees.

Lucas attempts to make a 5-star hotel-style pool with a hidden entertainment zone out of a small, suburban backyard.

Lucas Congdon is tasked with creating a bird pond oasis and a human pool within an outdated, unkept backyard in the middle of a designated bird sanctuary for a very eco-friendly oriented family in Osprey, Fla.

Young Jack Russell terriers keep their mother busy; Portuguese water dogs don't like getting wet; bull mastiff puppies keep on growing.

Three litters of puppies go from cute to cuter as a trio of Rhodesian Ridgebacks run circles around their mum, Chow Chow puppies bring attitude, and Havanese Lulu has her paws full.

Spring turkey hunting season has arrived and brings excited hunters into the woods; LaFlamme investigates a crime scene where someone may have poached a hen; Spahr responds to pit bull attack of a girl while a team of wardens raid a home.

A busy day finds the wardens catching smelt poachers, placing radio collars on bears, searching for a suspected home invader, and launching a search-and-rescue operation.

The wardens search for a suspect in a watercraft hit-and-run accident; a strange man arrives shortly after the Boston Marathon bombings and then vanishes after leaving a suicide note.

Mainers are out on their 4-wheelers in the spring rains where several accidents are happening and the wardens rescue a boy from a flash flood; Parker investigates ATV hit-and-run.

MacCabe investigates a disturbing campsite where people are vanishing; after a drug deal gone wrong, the wardens search for pot plants.

Some of the wardens enter the annual moose-hunting lottery; Craven tracks the mythical Maine mountain lion; wardens search for lost elderly man.

Warden encounters drunk driver with a gun; law enforcement needs to find armed suicidal man.

Pet monkey becomes a nosy Nancy; dog commits breaking and entering...into the pantry; king of the castle is a cat; can't take your eyes off a dancing dog; owner watches his dog eat the furniture via video monitor from work.

A dog so unbelievably spoiled that he has his own wing of the house; dog breaks into fridges for food; skateboarding cat at the beach; mini pig stealing food; dog interferes in its owner's house cleaning.

Australian shepherd Jonsie is a master escape artist that can open doors, jump fences and scale surfaces; goldendoodle Charlie loves popsicles out of the ice-cream truck; orange tabby Boo is always hungry; Pipkin the rabbit makes messes with food.

Roommates Josh and Grace's respective cats are constantly attacking each other; feral cat, Blackie, is a handful for mother-daughter duo, Catherine and Patty; Koneko Cat Café.

Jackson enters the Santé D'or shelter with the intention of helping an over-aggressive shelter cat, Pig Pen.

Scout fears his tormentor, Caramel, to the point that he literally lives inside a kitchen cabinet; a woman adopts a hybrid Bengal cat who can use the toilet but can't otherwise keep still.

Jackson works with a guardian, Tara, whose traumatic experience with her previous cat affects her currently troubled cat, Cali; Jackson must deal with guardian Kurtis and his cat, Kurtis Jr., before the guardian has his feline namesake declawed.

Jackson works with a couple who have a lovable cat, Zachary, that also happens to spray all over the house; Jackson's shocking conclusion as to why Zachary marks: barbarians at the gate; Jackson meets with troublemaking cat Freddie Krueger.

Jackson helps a couple whose three cats fight so much they moved into a bigger house just to give them extra space apart; the Cat Daddy works with a feral shop cat named Greenie whose spraying threatens business.

Scout fears his tormentor, Caramel, to the point that he literally lives inside a kitchen cabinet; a woman adopts a hybrid Bengal cat who can use the toilet but can't otherwise keep still.

Jackson works with a guardian, Tara, whose traumatic experience with her previous cat affects her currently troubled cat, Cali; Jackson must deal with guardian Kurtis and his cat, Kurtis Jr., before the guardian has his feline namesake declawed.

Jackson works with a couple who have a lovable cat, Zachary, that also happens to spray all over the house; Jackson's shocking conclusion as to why Zachary marks: barbarians at the gate; Jackson meets with troublemaking cat Freddie Krueger.

Jackson helps a couple whose three cats fight so much they moved into a bigger house just to give them extra space apart; the Cat Daddy works with a feral shop cat named Greenie whose spraying threatens business.

A dog so unbelievably spoiled that he has his own wing of the house; dog breaks into fridges for food; skateboarding cat at the beach; mini pig stealing food; dog interferes in its owner's house cleaning.

Australian shepherd Jonsie is a master escape artist that can open doors, jump fences and scale surfaces; goldendoodle Charlie loves popsicles out of the ice-cream truck; orange tabby Boo is always hungry; Pipkin the rabbit makes messes with food.

One dozen goldendoodles take over a home and a pet pig's bed; a Westie chases after her wandering twin brother; Swiss mountain puppies find their stride.

A lumbering Newfoundland bowls over spotted Bengal kittens; Norwegian forest cats test the water at the beach; two kittens spread love at a rescue home.

Police dogs Meg and Thor are reunited with their handler Martin after he broke his leg; they track a mysterious BMW with suspected links to drug dealing.

Rookie Alsatian Kane has a busy night shift with handler, PC Harris, going after a burglar; new handler Nikki investigates a bomb scare with explosives detection dog Oscar.

In Liverpool, new recruit Chico finds a huge stash of cannabis up an alleyway, helping his handler PC Bartley disrupt a major drugs operation.

In Yorkshire, Alsatian Thor joins a firearms unit and storms a derelict building; sniffer dog Meg raids a flat with possible drug dealing links.

In Yorkshire, PC Fletcher's dog Patto is injured chasing a burglar; in Merseyside, PC Harris and his dog Kane are trying to track down the driver of a stolen car.

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.

PC Gayles and his dog Thor are on the hunt for evidence to convict mobile phone thieves; in Glasgow, sniffer dog Eddie carries out his first search for a gun.

In Merseyside PC Bartley and his dog Chico are involved in a high-speed car chase; new explosives detection dog Pip is at Aston Villa football ground.

Devastating news about PC McIntyre's Alsatian jeopardizes their future together; sniffer dog Meg, shows some skills on a suspected drug dealer's car.

As police surround a flat where a gunman is thought to be hiding; PC Fletcher's firearms support dog, Patto, faces a dangerous situation.

Wardens have to commandeer hunting tags and harvested animals when hunters are caught not following regulations. An angler who repeatedly violated regulations is confronted. A warden finds hunters on the verge of illegally baiting.

Wardens ensure that snowmobilers are abiding by the law, then they help with an annual sled dog race; trespassing anglers are caught in the act while salmon fishing; bird hunters are out in force.

Wardens investigate a suspected elk shooting and more.

The lives of men and women who are making the Michigan wilderness and landscape a safer place for not only animals, but humans alike.

A hunter insists he's searching for coyotes when he's caught using an unauthorized gun; officers track down a man who killed a deer first and bought his license later; hunters raise concern when they're too close to houses.

Warden Greenway braves the elements to patrol ice fishermen; a snowmobiler runs into trouble when the warden finds he doesn't have a valid registration; wardens come across a deer hunter on opening day who doesn't have a hunting license.

Wardens investigate a suspected elk shooting and more.

The lives of men and women who are making the Michigan wilderness and landscape a safer place for not only animals, but humans alike.

A hunter insists he's searching for coyotes when he's caught using an unauthorized gun; officers track down a man who killed a deer first and bought his license later; hunters raise concern when they're too close to houses.

Warden Greenway braves the elements to patrol ice fishermen; a snowmobiler runs into trouble when the warden finds he doesn't have a valid registration; wardens come across a deer hunter on opening day who doesn't have a hunting license.

Devastating news about PC McIntyre's Alsatian jeopardizes their future together; sniffer dog Meg, shows some skills on a suspected drug dealer's car.

As police surround a flat where a gunman is thought to be hiding; PC Fletcher's firearms support dog, Patto, faces a dangerous situation.

The sand dunes at a state park become hectic over the 4th of July weekend; a dirt bike rider gets a hefty fine after being caught red-handed breaking the law; a feisty out-of-control rider nearly causes a collision while passing right by an officer.

Wardens crack down on anglers not following the rules while salmon fishing; a hunter with a checkered past is caught red-handed; beaver dam management calls for some drastic measures; elk hunting season finds eager hunters on their best behavior.

Following Michigan Conservation Officers as they protect and patrol the most precious natural resources in one of the nation's most remote areas.

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.

The epic.

A hunter insists he's searching for coyotes when he's caught using an unauthorized gun; officers track down a man who killed a deer first and bought his license later; hunters raise concern when they're too close to houses.

The Raney family arrives at a homestead threatened by heat, coyotes and even cows; Marty attempts to protect livestock with a massive build.

The Raney family arrives at a homestead with a bee-obsessed owner that is unintentionally attracting bears with his hives; Marty bush-engineers a windmill to pump water to a new bathhouse.

The Raney family goes to the Ozarks and discovers a malnourished couple and a moldy cabin that's making them sick; massive electric storms threaten the build.

The Raneys try to restore a couple's failed homestead in Ohio; Marty attempts to repair an old gas well.

A hungry bear scratching the walls, disease carrying ticks, no food to eat, no power and 60 massive oaks looming over a flimsy cabin in tornado alley present the Raneys with their greatest challenges yet.

A hungry bear scratching the walls, disease carrying ticks, no food to eat, no power and 60 massive oaks looming over a flimsy cabin in tornado alley present the Raneys with their greatest challenges yet.

The Raneys help an Oregon homestead trapped at the bottom of a 100 foot cliff that separates them from four acres of land that they need for food and livestock; Marty takes a risk forming a road up a bedrock cliff to a forest with mountain lions.

In the Pacific Northwest, Jared Douglas and his logging crew risk life and limb to harvest some of the planet's most remote and valuable trees; getting these giants from the forest to market is deadly.

To make up for lost profits, Jared takes a big gamble on bringing two valuable pieces of machinery back to life after decades of neglect; handfallers Jim and Rob go toe-to-toe with a giant cedar that threatens to shut down the entire operation.

Jared moves into an abandoned logging camp, placing a $600,000 bet on a remote, dangerous site that will either sink or save his business; Ross is charged with moving the float camp ten miles deeper into the wilderness.

Drowning in debt, Jared is doing everything he can to keep his business afloat and his workers employed; when foul play threatens to sink his float camp, Jared fights back as his fallers play a game of dominos to get high-dollar trees to market.

Jared needs to move $1 million of wood down a river to market but can't find anyone brave enough to lead the journey; moving deeper into the wilderness to chase big wood, the road builders prepare a blast to gain access.

To make up for lost profits, Jared takes a big gamble on bringing two valuable pieces of machinery back to life after decades of neglect; handfallers Jim and Rob go toe-to-toe with a giant cedar that threatens to shut down the entire operation.

Jared moves into an abandoned logging camp, placing a $600,000 bet on a remote, dangerous site that will either sink or save his business; Ross is charged with moving the float camp ten miles deeper into the wilderness.

Drowning in debt, Jared is doing everything he can to keep his business afloat and his workers employed; when foul play threatens to sink his float camp, Jared fights back as his fallers play a game of dominos to get high-dollar trees to market.

Jared needs to move $1 million of wood down a river to market but can't find anyone brave enough to lead the journey; moving deeper into the wilderness to chase big wood, the road builders prepare a blast to gain access.

A hungry bear scratching the walls, disease carrying ticks, no food to eat, no power and 60 massive oaks looming over a flimsy cabin in tornado alley present the Raneys with their greatest challenges yet.

A hungry bear scratching the walls, disease carrying ticks, no food to eat, no power and 60 massive oaks looming over a flimsy cabin in tornado alley present the Raneys with their greatest challenges yet.

Dexter the dog has serious breathing problems; the team of pickers counting on abandoned storage locker goods gets an unfortunate surprise; Halo the chihuahua discovers more than exercise in the local dog park.

Antonio helps a family who opened their home to neighborhood dogs create the ultimate backyard dog park with custom dog houses, a paddling pool for hot summer days, and a slick structure of ramps and tunnels to keep everyone entertained and active.

After the massacre of the Mudpaws, Queen Olivia sets her sights on destroying the rest of her enemies, but Princess Eva sets up a trap to stop her; Eva's lover gets kidnapped; Sasha reunites with Hunter.

Two adorable tiger cubs need to move to the adult exhibit; a silverback gorilla receives pioneering treatment to curb his worsening eyesight; a passionate keeper plays matchmaker to a peculiar pair of birds.

Fisherman and adventurer Jeremy Wade travels to Alaska to discover what has happened to the king salmon.

The Aleutian Islands are home to some of the most remote communities on earth; Jeremy Wade sets out to investigate reports of strange, alien species in the waters around the islands and the disappearance of fish that have been there for generations.

Robert takes on the challenging task of relocating Bosco, the most aggressive croc at the zoo; Bindi must investigate Forest the giraffe's bad knee problem; Terri helps Harley the koala find love at the end of a difficult breeding season.

Tia receives a call about a puppy stuck in a pipe at the edge of the river and enlists the help of the twins and the parolees to rescue the dog; Tania and Perry must help build up a shy puppy's confidence when an adopter comes calling.

As the team drives all the way to Michigan for a home check, they get sidetracked by an emergency rescue.

In Ouachita Parish, a trespassing investigation leads to a dicey encounter and multiple seizures of deer; agents confront a group of duck hunters who are spotted killing non-game birds; health code violations are found during a routine oyster patrol.

As Hurricane Ida makes landfall, wildlife agents deploy to help the people of Louisiana; an injured woman is trapped in a flooded hotel; elderly neighbors await rescue in punishing conditions; lifesaving supplies must be delivered to those in need.

Deep in the woods and bayous of Louisiana, wildlife agents protect the state's resources; a crab fisherman is caught stealing dozens of traps, a hunter crosses state lines with an illegal deer and agents rescue an injured bald eagle.

Young convict Redneck prepares for his first rodeo ride, while an unruly inmate may not get his shot at glory; a suicide is reported in the dangerous punishment unit known as Camp J.

Lt. Col. Slater is assigned to run a public horse auction; Warden Cain tries to keep order when inmates stage a hunger strike.

Wardens uncover a crime scene while others patrol summer crowds, issuing fines for littering and DUI; amidst the chaos, Captain Jeff Darrah retires after 26 years, leaving a legacy of dedication and bravery.

Region four wardens navigate conflicting stories from locals, while region six wardens catch trespassers; ranchers help uncover illegal deer shootings, revealing a wildlife mystery as tensions rise.

Wardens come across some colorful characters when they set up a safety check along the river for boaters and rafters; the upcoming opening of the elk season leads to some hunters jumping the gun, with wardens chasing them down.

Warden Lesofski tracks down hunters riding their ATV through farmers' crops; Warden Taylor investigates a claim of illegal hunting on private property; Warden Golie races to find a hunter disobeying a landowner's rules.

Wardens uncover a crime scene while others patrol summer crowds, issuing fines for littering and DUI; amidst the chaos, Captain Jeff Darrah retires after 26 years, leaving a legacy of dedication and bravery.

Region four wardens navigate conflicting stories from locals, while region six wardens catch trespassers; ranchers help uncover illegal deer shootings, revealing a wildlife mystery as tensions rise.

Wardens come across some colorful characters when they set up a safety check along the river for boaters and rafters; the upcoming opening of the elk season leads to some hunters jumping the gun, with wardens chasing them down.

Warden Lesofski tracks down hunters riding their ATV through farmers' crops; Warden Taylor investigates a claim of illegal hunting on private property; Warden Golie races to find a hunter disobeying a landowner's rules.

As Hurricane Ida makes landfall, wildlife agents deploy to help the people of Louisiana; an injured woman is trapped in a flooded hotel; elderly neighbors await rescue in punishing conditions; lifesaving supplies must be delivered to those in need.

Deep in the woods and bayous of Louisiana, wildlife agents protect the state's resources; a crab fisherman is caught stealing dozens of traps, a hunter crosses state lines with an illegal deer and agents rescue an injured bald eagle.

A chihuahua named Rue has a leg injury; having drained his savings, owner Ken is on the verge of surrendering his sick cat, Nagi; the picking team uncovers a bonanza of bikes with an unexpected past.

Antonio and his team design and build an elaborate system of tunnels and towers spanning two rooms for a family and their seven chinchillas.

Princess Eva and Queen Olivia come face-to-face in the battle to be Queen of the Bay, but deception lies under the water for both; Sasha regrets leaving royal life and plots with her mother's adversary to return to power.

The Zoo's huge male sea lion is in rut, and staff need to move the younger males before he becomes territorial; the veterinary team come up with a solution to repair Dinky the Flamingo's broken ankle; feeding a rock python proves challenging.

Jeremy is on a journey to catch a monstrous, man-sized pike, starting in the lakes of Ireland and leading to un-fished waters on the edge of the Arctic Circle in Sweden.

Fisherman and adventurer Jeremy Wade travels to Lake Garda in northern Italy to investigate a 16th-century monster fish.

Terri returns to her hometown in Oregon to help Brady, a cougar in need of a vital health check; at the zoo, Robert is on a mission to rescue Oscar, a small bird with a big attitude, and Bindi bathes an echidna with bad skin allergies.

Two dogs running wild on the train tracks prompts a dangerous rescue mission; married couple look to adopt a dog to help heal from tragedy.

Tia recruits the twins and a new work-release prisoner to rescue a pit bull from a cavernous hole; Mariah helps Tia with a heart-wrenching adoption.

Coddingtown Center in Santa Rosa have tasked the guys with a very special tank; to kick off their new remodel, they want Wayde and Brett to make a tank that pays respects to the heroes that helped the area during the recent wildfires.

MMA fighter Urijah Faber wants Wayde and Brett to create two aquariums for his new gym and wants a little bit of the ocean inside; a couple hosts a party for The Marine Aquarium Convention.

Lifestyle brand Salt Life wants an aquarium even bigger and better than the original; Wayde and Brett are asked to build a custom acrylic waterfall as part of a memorial in Las Vegas.

NFL player Clay Matthews and his wife, Casey, are building their dream home and want a classy tank with subtle references to his career with the Green Bay Packers.

Comic Tracy Morgan wants to be able to swim with his massive sharks, so he wants the guys to tank his entire pool house; a local car dealership wants a new tank in its showroom to make a big splash.

The doctors prepare to open a new clinic but are apprehensive about a promise they made to each other regarding the event; Dr. Ross tends to a frizzle hen's eye problem; Dr. Blue is alarmed by a bulldog's burst mammary gland.

The everyday heroes of the RSPCA rescue a goose shot with a crossbow bolt; they also recover a young, sick seal from a beach and into a wildlife hospital.

Police rescue a turtle caught on fishing line, and it's up to Dr. Ross to unhook him; Dr. Blue waits for test results after performing dental surgery on a loveable dachshund; Dr. Lavigne gives a stray cat first-class treatment.

Dr. Lavigne performs a doggy nose job to help a pug with bad breathing problems; Dr. Blue urgently treats Hardtime, a dog who's facing hard times battling heart disease; an opossum with a traumatic injury needs Dr. Ross's help.

The doctors prepare to open a new clinic but are apprehensive about a promise they made to each other regarding the event; Dr. Ross tends to a frizzle hen's eye problem; Dr. Blue is alarmed by a bulldog's burst mammary gland.

The everyday heroes of the RSPCA rescue a goose shot with a crossbow bolt; they also recover a young, sick seal from a beach and into a wildlife hospital.

Police rescue a turtle caught on fishing line, and it's up to Dr. Ross to unhook him; Dr. Blue waits for test results after performing dental surgery on a loveable dachshund; Dr. Lavigne gives a stray cat first-class treatment.

Dr. Lavigne performs a doggy nose job to help a pug with bad breathing problems; Dr. Blue urgently treats Hardtime, a dog who's facing hard times battling heart disease; an opossum with a traumatic injury needs Dr. Ross's help.

MMA fighter Urijah Faber wants Wayde and Brett to create two aquariums for his new gym and wants a little bit of the ocean inside; a couple hosts a party for The Marine Aquarium Convention.

Lifestyle brand Salt Life wants an aquarium even bigger and better than the original; Wayde and Brett are asked to build a custom acrylic waterfall as part of a memorial in Las Vegas.