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.

Cod fishing off the Icelandic coast in the Arctic Circle is a tough job; two greenhorns leave everything behind to battle freezing waters and brutal storms in pursuit of big catches and even bigger paychecks.

It's the second week into a three-week trial of two fishing greenhorns who have given up life as they knew it in a bid to more than double their monthly pay packets fishing in the Arctic Circle.

The greenhorns, hungry to secure their place onboard, start the final week of their trial period; Greg's time managing the hook machine ends in disaster; Caitlin's future as a deckhand is hanging by a thread.

Off the coast of Iceland, the fishing boat Valdimar hits an Arctic storm making fishing nearly impossible; on the Páll Jónsson, a horrendous injury puts the boat a man down, forcing the crew to work overtime.

After a victorious week off, deckhand Greg is ready to get his sea legs back; Caitlin must prove herself in the extended trial-run or she'll be forced to pack her bags.

Chaos ensues in the Arctic Circle when the Valdimar's generator cuts out, leaving the crew dangerously adrift; Greg's debilitating injury keeps him anchored on dry land; Caitlin undertakes her final test in uncharted waters.

Capt. Benni must send the Páll Jo´nsson into The Void: a deeper fishing ground to the far north of the Arctic Circle; Caitlin earns a permanent spot onboard; Greg's last-minute decision has massive consequences.

Dr. Blue, Dr. Ross and Dr. Lavigne's veterinary venture begins with all hands on deck as they deal with everything from risky surgeries to diagnosing chameleons; a car accident brings everything to a screeching halt when a doctor gets seriously hurt.

Dr. Ross's check-up with a large pet upon his return proves to be more than he can handle; Dr. Lavigne performs an emergency C-section on Frenchie; Dr. Blue plans a night on the town to get Dr. Ross out of his funk.

Dr. Blue and Dr. Ross help a goat farmer at his residence while Dr. Lavigne tries to remove an obstruction within a puppy's intestines; Blue and Ross later have a grill master cook-off.

A pit bull suffers a raccoon attack; an aggressive ferret; the vets test their pig-whispering skills at an animal rescue; the doctors have a surprise announcement for their wives.

Dr. Lavigne sees a surprise on an X-ray of one of his favorite patients; Dr. Ross flexes his exotic vet chops with a fennec fox and a kinkajou with a highly contagious infection; Dr. Blue has his hands full with a former frat house pig named Aubie.

Julia helps a frightened couple with a young eastern brown snake hidden in their garage; Julia and trainee Conway must retrieve a constrictor snake from a dilapidated pile of wood near a youth centre.

Julia and her husband John deal with a snake that has hidden in the doorway of a house. Then a family with a baby have spotted a small snake in their hoover. Plus, Julia must release almost 30 newly hatched baby carpet pythons into the wild.

Dr. Jeff returns from a free vet care clinic with a dog who was hit by a car; the owner of a kitten with suspected ringworm gets more than she bargained for; Dr. Jeff treats a family dog with a mysterious lump; Dr. Baier falls for a rescued puppy.

Dr. Jeff treats a couple's cherished bloodhound puppy that won't eat; Dr. Petra races to save a cat after it swallows a handful of hair ties; Dr. Jeff and Hector head out to a veteran's ranch to help a baby therapy yak.

Julia helps a frightened couple with a young eastern brown snake hidden in their garage; Julia and trainee Conway must retrieve a constrictor snake from a dilapidated pile of wood near a youth centre.

Julia and her husband John deal with a snake that has hidden in the doorway of a house. Then a family with a baby have spotted a small snake in their hoover. Plus, Julia must release almost 30 newly hatched baby carpet pythons into the wild.

Dr. Jeff returns from a free vet care clinic with a dog who was hit by a car; the owner of a kitten with suspected ringworm gets more than she bargained for; Dr. Jeff treats a family dog with a mysterious lump; Dr. Baier falls for a rescued puppy.

Dr. Jeff treats a couple's cherished bloodhound puppy that won't eat; Dr. Petra races to save a cat after it swallows a handful of hair ties; Dr. Jeff and Hector head out to a veteran's ranch to help a baby therapy yak.

Dr. Ross's check-up with a large pet upon his return proves to be more than he can handle; Dr. Lavigne performs an emergency C-section on Frenchie; Dr. Blue plans a night on the town to get Dr. Ross out of his funk.

Dr. Blue and Dr. Ross help a goat farmer at his residence while Dr. Lavigne tries to remove an obstruction within a puppy's intestines; Blue and Ross later have a grill master cook-off.

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.

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.

Region 1 wardens are left speechless after witnessing a squatter on public land and are on high alert during the annual Yellowstone River Boat Float; during the pursuit of an upland game, a license check comes up empty and the wardens scramble.

While on duty, wardens go an extra mile during an investigation, which leads to an unexpected outcome; in Whitefish, Mont., Region 1 wardens join forces to uncover the culprit responsible for slaying more than 20 deer.

It's all hands-on-deck for the wardens when they handle decapitated deer and a poached trophy bull elk. Meanwhile, as a winter storm brews, wardens join forces in hot pursuit to catch a decoy shooter and a hunter caught in a web of lies.

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 "CSI" to determine where a deer was killed; a poaching-loving family is finally going to trial after discovering their responsibility behind multiple animal deaths.

Wardens go on hot pursuit to catch a hunter who dodged a routine check; drought conditions in Montana shut down hunting and fishing for the season; a pack of pesky bears make their way into town.

In Montana, wardens gear up for the last week of hunting season; wardens are on high alert during the beginning of the annual elk migration.

A major search warrant has officers investigating a suspect who's allegedly been hunting deer illegally for years; the bear season has some hunters covering their tracks, while others are hiding recreational drugs.

A deer hunt results in shots fired into a nearby home; during snowmobile season, riders enjoy the winter wonderland, but unsafe driving puts a damper on the fun for some drivers.

During the second elk hunting season, all harvested elk go to check stations, where conservation officers investigate kill sites; in District Three, officers analyze a successful kill, tracking blood trails in the snow for potential violations.

Officers patrol waterfowl hunters on state lands, investigate potential DUIs and trespassing during firearm deer season, and come together for a charity ice hockey game to support their community.

Michigan's Conservation Officers unite to protect the state's resources amid winter's chill and a busy deer season; Great Lakes officers aid divers recovering a Tuskegee Airmen's plane, leading to a moving monument unveiling.

Officers investigate a timber contract violation and patrol Michigan's deer season; a Warden's videographer joins a DNR program that empowers women to explore outdoor hobbies and conservation.

Officers check deer and waterfowl hunters, a DNR supervisor leads a turkey hunt, and a rehab center works to heal and release injured wildlife.

Michigan conservation officers monitor elk hunters across early and late seasons; a blind hunter secures a prized bear tag with help from a group of kids and veterans; officers patrol snowmobilers and ice anglers braving frigid conditions.

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

Officers investigate a timber contract violation and patrol Michigan's deer season; a Warden's videographer joins a DNR program that empowers women to explore outdoor hobbies and conservation.

Officers check deer and waterfowl hunters, a DNR supervisor leads a turkey hunt, and a rehab center works to heal and release injured wildlife.

Michigan conservation officers monitor elk hunters across early and late seasons; a blind hunter secures a prized bear tag with help from a group of kids and veterans; officers patrol snowmobilers and ice anglers braving frigid conditions.

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

A deer hunt results in shots fired into a nearby home; during snowmobile season, riders enjoy the winter wonderland, but unsafe driving puts a damper on the fun for some drivers.

During the second elk hunting season, all harvested elk go to check stations, where conservation officers investigate kill sites; in District Three, officers analyze a successful kill, tracking blood trails in the snow for potential violations.

The Wolf Pack seizes an opportunity to stockpile meat with their first-ever buffalo hunt; brothers Noah and Bam build a mine-cooled meat locker while keeping the ranch running in anticipation of the family's return.

As bold new predators get increasingly closer to the family's ranch, the Browns devise inventive solutions to defend their livestock; Gabe's long-distance girlfriend makes her first, long-anticipated visit to the mountain.

A medical emergency on the Wolf Pack's ranch forces the family to become more resourceful as they continue to build their dream on the mountain; Gabe's hasty leap toward marriage has the family concerned.

As the first snow falls, the Brown family makes a risky attempt to move their temporary shelters closer to the barn in hopes of bringing father Billy back home; Noah uses his ingenuity to prepare for Rhain Alisha's first winter.

With winter closing in, the family members race to build their homes before the ground begins to freeze; later, a snowstorm threatens progress as they haul Bear's new house, a shipping container, up to the highest peak on the mountain.

The Browns raise their defenses after discovering a dangerous new predator stalking their ranch; later, Bird works on the Birdhouse while Gabe constructs an apartment for him and Raquell in the family barn.

The Wolf Pack's first pheasant hunt turns into a competition in anticipation of a much-needed, post-Thanksgiving celebration; later, Billy and Ami surprise the family with new additions to the ranch that will bring them closer to their roots.

Birdi goes on a treacherous hunt to bring home meat for the family and save her chickens from slaughter; Noah constructs an automatic diaper machine; Gabe gets bush insight from Ami that he can pass along to Raquell.

Winter approaches yet the Wolf Pack feels the heat; Bear works furiously to finalize an addition to his home; Billy faces a new medical crisis; a big winter storm forces Noah and Rhain Alisha to make a tough decision.

An ICU nurse and a banker attempt a 14-day fan challenge in the rugged Mexican jungle; as food becomes scarce, they question their will and skill to make it to the end.

A circus performer and an avid hunter take on 14 days in the untamed jungle of Tobago; an injury threatens their challenge.

An expert hunter and an Air Force veteran attempt to survive in Zambia, where they are preyed upon by deadly lions, aggressive baboons and elephants.

A backpacker and experienced hunter attempt to survive 21 days in a swampy Argentine savanna teeming with mosquitoes and violent subtropical storms.

Four survivalists seek redemption for their past failures; however, their promises to make it through 21 days on a remote Philippine lake are put to the test when they accidentally ingest a toxic substance.

The first-ever double amputee survivalist and an Army veteran battle torrential storms, deadly snakes and swarming mosquitos as they strive to make it to 21 days in the dense jungles of Belize.

A scrappy marine biologist from Mexico and a Viking fisherman from Norway attempt to endure 21 days in the American wilderness; they struggle against torrential rains, sparse food and a catastrophic fire in their camp.

Four survivalists seek redemption for their past failures; however, their promises to make it through 21 days on a remote Philippine lake are put to the test when they accidentally ingest a toxic substance.

The first-ever double amputee survivalist and an Army veteran battle torrential storms, deadly snakes and swarming mosquitos as they strive to make it to 21 days in the dense jungles of Belize.

A scrappy marine biologist from Mexico and a Viking fisherman from Norway attempt to endure 21 days in the American wilderness; they struggle against torrential rains, sparse food and a catastrophic fire in their camp.

A circus performer and an avid hunter take on 14 days in the untamed jungle of Tobago; an injury threatens their challenge.

An expert hunter and an Air Force veteran attempt to survive in Zambia, where they are preyed upon by deadly lions, aggressive baboons and elephants.

Naughty felines are caught in the act; cute kittens attempt to mimic the actions of their human friends.Guests: Jackson Galaxy, Nicholas Dodman, Karen Halligan, Heather King, Wayde King, Luigi Francis Shorty Rossi, Matt Stopera..

"Ninja Cats" employ stealthy moves; other categories include "Techno Tabbies," "Feline Foodies" and "Cats With Catitude."Guests: Jackson Galaxy, Nicholas Dodman, John Fulton, Karen Halligan, Dan Schachner, Matt Stopera..

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.

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

Robert travels to Australia's Great Barrier Reef to help conduct research on manta rays; the zoo's rescue unit, wildlife hospital and volunteers team up to save a baby wallaby that is struggling to survive.

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.

Wes and Robert remove eggs from the nest of saltwater crocodiles Terra and Bosco in a nerve-wracking but necessary venture; Bindi tends to the training of otters Percival and Daisy; Terri makes a zoo volunteer's dream come true.

As Moe and Lizzy reveal they are expecting a second child, parolee Spencer announces he's expecting his first; alongside a busy road, an injured dog is found and things don't go as planned when Lizzy's favorite canine goes up for adoption.

Mariah looks for a homeless woman needing to give up her beloved pit bull; Lizzy prepares her favorite rescue for a home after dealing with its medical issues.

Maine's busy deer hunting season keeps the wardens on their toes; a sportsman misidentifies his target and shoots an antler-less deer; a hunter gets lost in the woods at night; feuding neighbors hamper an investigation into an illegal deer kill.

Warden Carter must track down an injured bear; Wardens search for a missing man in the woods.

Warden Parker goes on an exhaustive investigation involving local police, surveillance cameras and anonymous informants after the discovery of a dead beaver in a Skowhegan parking lot.

Parker searches for a potential poacher when he discovers a rotting bear carcass dumped on the roadside; Blanchard catches an inappropriate couple being nasty on a wildlife refuge; Robertson helps ducklings.

Trek across the Namibian desert with the bush elephant and learn how it keeps its cool in a place with little food or shade; discover how this giant consumes specific plants, digs wells and hikes endless dunes in a quest to find precious water.

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Investigate the art of nest making with the jungle's builder, the orangutan; shadow Max as he tries to escape the insect-filled floor of the Borneo rainforest and takes inspiration from this solitary primate's natural engineering skills.

Jeremy Wade travels to Japan, searching for two legendary monsters.

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

Navigate a mangrove forest in Borneo with the saltwater crocodile, which is perfectly suited to life among the watery roots; discover how this reptile uses the environment to regulate its temperature and why its patience makes it a good hunter.

Investigate the art of nest making with the jungle's builder, the orangutan; shadow Max as he tries to escape the insect-filled floor of the Borneo rainforest and takes inspiration from this solitary primate's natural engineering skills.

Jeremy Wade travels to Japan, searching for two legendary monsters.

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

Warden Carter must track down an injured bear; Wardens search for a missing man in the woods.

Warden Parker goes on an exhaustive investigation involving local police, surveillance cameras and anonymous informants after the discovery of a dead beaver in a Skowhegan parking lot.

Exploring the canine kingdom; cute dogs; latest videos of guilty pooches; mutts with unusual pals.Guests: Nicholas Dodman, John Fulton, Heather King, Wayde King, Brett Raymer, Luigi Francis Shorty Rossi, Dan Schachner, Matt Stopera..

The cutest dogs on the web; dogs acting like nannies to human babies; athletic dogs & chatty mutts.Guests: Nicholas Dodman, Andrea Arden, John Fulton, Karen Halligan, Luigi Francis Shorty Rossi, Dan Schachner, Matt Stopera..

Cats of the Southwest.

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.

The team create a gangster-themed enclosure for seven snakes; a Russian tortoise name Littlefoot gets a new home;. when Greg takes Kevin to the veterinarian, the results are a bit surprising.

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.

The future of the American bison depends on a high-stakes race across the country; the reptile staff have their hands full with a diamond rattlesnake that needs to be medicated orally; training a pair of cheetahs to walk the grounds of the zoo.

Mariah looks for a homeless woman needing to give up her beloved pit bull; Lizzy prepares her favorite rescue for a home after dealing with its medical issues.

Tia and M2 welcome back a couple who want to reunite their adoptee with her former best friend; Mariah and Toney discover a hound in desperate shape; Mariah does everything in her power to nurse VRC's first Louisiana rescue back to health.

Houston Rockets superstar Dwight Howard doesn't just want a fish tank, he also wants Wayde and Brett to build a new habitat for his two of his pet snakes.

Brett and Wayde build Seattle Seahawks running back and Super Bowl Champion Marshawn Lynch the ultimate 'Beast Mode' Tank.

Retired NBA superstar Shaquille O'Neal is back for a second tank; this time the guys build a tank inspired by Hookah and an Egyptian theme.

Will and Rachael volunteer at the world's largest sanctuary for orphaned rhinos; Emily attempts a life-threatening giraffe relocation, while three warthogs run Emma ragged; Marine biologist Alison finds a new way of dealing with plastic pollution.

Following the vets and volunteers of South Africa who rescue extraordinary animals.

Emma is faced with an emergency patient; Emily has a hard decision to make when a cape buffalo is seriously injured; Anna hopes to help dehorn five white rhinos to make them less valuable to poachers.

Following the vets and volunteers of South Africa who rescue extraordinary animals.

Mike gets downright filthy as he cleans out a garbage hauling dump truck in San Francisco; Then he cleans out a monster sized kitty litter box for some exotic animals.

Mike heads to the edge of the Arctic Circle on the northeast side of Canada's Baffin Island to find one of the most enigmatic species of shark - the Greenland shark.

Emma is faced with an emergency patient; Emily has a hard decision to make when a cape buffalo is seriously injured; Anna hopes to help dehorn five white rhinos to make them less valuable to poachers.

Following the vets and volunteers of South Africa who rescue extraordinary animals.

Mike gets downright filthy as he cleans out a garbage hauling dump truck in San Francisco; Then he cleans out a monster sized kitty litter box for some exotic animals.

Mike heads to the edge of the Arctic Circle on the northeast side of Canada's Baffin Island to find one of the most enigmatic species of shark - the Greenland shark.

Brett and Wayde build Seattle Seahawks running back and Super Bowl Champion Marshawn Lynch the ultimate 'Beast Mode' Tank.

Retired NBA superstar Shaquille O'Neal is back for a second tank; this time the guys build a tank inspired by Hookah and an Egyptian theme.

Amanda travels to California to pick up special needs dogs at a local SPCA; she comes home with a Rottweiler puppy with a severe eye injury, a husky shepherd mix covered in maggots and two small puppies whose ears have fallen off.

Felines take over when Amanda helps an energetic kitten facing euthanasia after breaking his leg for a second time, along with a tiny kitten born with malformed front legs; a 3-legged Husky-Rottweiler pup needs a forever home.

The most popular comic strip kitty; the various materials from which kitty litter is made.

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

The team create a circus-themed enclosure for the Hazelaar family's bearded dragon, Nash; Jason helps Greg out with Emma's surprise party by bringing some of his own reptiles, but Greg might not be comfortable with Jason's pet tarantula at the party.

The birth of a little blue penguin causes a sensation at the Bronx Zoo; the veterinary team scrambles to figure out what is wrong with Snowball, a snow leopard; the exhibits team designs an exhibit for the newly arrived blue iguana.

Leo, a snow leopard rescued from Pakistan, has trouble eating because of a broken canine; the bird department works feverishly to restore a beehive for the bee-eater birds; Ambassador Center staff work with an adorable Fennec fox named Charlie.

The crew helps pregnant Lizzy find an injured, older dog roaming the Ninth Ward; a long-time employee gets some exciting news about his future; Mariah helps a pooch battling tumor surgeries that is in need of a forever home.

Paul hopes to capture a gator before it gets hooked by an uncaring trapper; Tre books a risque photo shoot with gators and swimsuit models.

The boys have three minutes to obtain blood samples from aggressive gators for an important research project.

A 12-foot alligator stalks farm animals; an elusive gator moves into a neighborhood pond; a triple-amputee war veteran wants to wrestle an alligator.

A water moccasin is spotted near a home; 6-foot-long rattlesnake; Paul and Scott pull a prank on Ashley and Chris.

A nuisance call leads to a dangerous encounter with two bloodthirsty lizards; Tre and Jimmy bring alligators to a saloon.

A baby alligator with a taped-shut jaw roams a nearby creek; the closing of Everglades Holiday Park could spell the end of the Gator Boys.

The Gator Boys leave Everglades Holiday Park; Jimmy locates an alligator ranch in Mississippi; Paul has a big decision to make.

Paul and Jimmy get off to a rocky start in Mississippi; the boys work in sweltering heat to finish a gator pit before the wrestling shows can begin.

The boys rescue a creepy-looking alligator; Jimmy battles a canebrake rattlesnake; Ashley becomes the marketing director of the Gulf Coast Gator Ranch.

A baby alligator with a taped-shut jaw roams a nearby creek; the closing of Everglades Holiday Park could spell the end of the Gator Boys.

The Gator Boys leave Everglades Holiday Park; Jimmy locates an alligator ranch in Mississippi; Paul has a big decision to make.

Paul and Jimmy get off to a rocky start in Mississippi; the boys work in sweltering heat to finish a gator pit before the wrestling shows can begin.

The boys rescue a creepy-looking alligator; Jimmy battles a canebrake rattlesnake; Ashley becomes the marketing director of the Gulf Coast Gator Ranch.

The boys have three minutes to obtain blood samples from aggressive gators for an important research project.

A 12-foot alligator stalks farm animals; an elusive gator moves into a neighborhood pond; a triple-amputee war veteran wants to wrestle an alligator.

Amanda works with Tia of Pit Bulls & Parolees to rescue a 3-legged Shepherd mix as part of a road trip rescue mission; she picks up 16 dogs along the way, including a young lab with a brain issue and a puppy mill survivor.

A member of Amanda's crew wants to adopt a Frenchie who lived her entire life in a puppy mill; Cupid, a lab mix puppy, needs daily physical therapy for a brain disorder; a pittie from Amanda's past needs emergency surgery.

Wild and domestic cats occupy the same sanctuary; popular television cat in Little Rock, Ark.

A chef in the Hamptons cooks gourmet meals for felines; a New Jersey fashion designer creates kitty couture.

The team come up with a bodacious "Bill & Ted's Excellent Adventure"-themed terrarium for Jay and Bean from Happy Harbor Comics; Jordan and her dad, Corrado, want a modern art piece enclosure that'll show Jordan's love for triathlons.

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.

To help love bloom between two kiwis, zoo staff build an elaborate hut into which they introduce a pair of potential mates; a King Cobra arrives at the zoo.

Tragedy strikes after Tia and M2 agree to take two malnourished hounds from a rural shelter; Mariah and Lizzy give two dogs a positive outcome while working through the global pandemic; M2 reveals a crucial life chapter.

Amish locals help Pete construct a barn-themed treehouse tavern on an Ohio family's sprawling rural property.

Pete creates his first-ever midcentury decagon when he builds a tree house to observe bears in Farmington, Pa. -- complete with walls of glass windows and a "bear-cam" tracking system.

Pete builds a butterfly-themed treehouse that includes six trees in Independence, Ohio, for a hope center that wanted a theraputic space within the trees.

An Irish family in California's Orange County desires a Celtic-themed cottage in their backyard olive tree; Pete's circular design includes a fireplace and a rainmaker.

The team attempts to construct a chic but bohemian tri-level, 60-foot-high treehouse in three giant redwoods for an arborist in Humboldt County, Calif.

Pete teams up with Make-A-Wish and the local fire department of Flagstaff, Arizona to grant an 8-year-old's wish of a whimsical treehouse masterpiece inspired by "The Boxtrolls" movie.

Pete builds a high tech recording studio oasis up in the trees that perfectly blends into the heart of the outdoors. CeeLo Green soon arrives to lay down a brand new track upon completion.

Pete uses hand-hewn rustic cedar to build an African-inspired circular hut treehouse complete with aerial walkway, spiral staircase and thatched roof.

Pete and the crew look to Buddha's teachings as they build a traditional Japanese teahouse 20 feet in the air complete with a shoji screen wall, Tatami mats, low table with sunken floor and pagoda style roof for a zen-like paradise in Seattle.

Pete teams up with Make-A-Wish and the local fire department of Flagstaff, Arizona to grant an 8-year-old's wish of a whimsical treehouse masterpiece inspired by "The Boxtrolls" movie.

Pete builds a high tech recording studio oasis up in the trees that perfectly blends into the heart of the outdoors. CeeLo Green soon arrives to lay down a brand new track upon completion.

Pete uses hand-hewn rustic cedar to build an African-inspired circular hut treehouse complete with aerial walkway, spiral staircase and thatched roof.

Pete and the crew look to Buddha's teachings as they build a traditional Japanese teahouse 20 feet in the air complete with a shoji screen wall, Tatami mats, low table with sunken floor and pagoda style roof for a zen-like paradise in Seattle.

Pete creates his first-ever midcentury decagon when he builds a tree house to observe bears in Farmington, Pa. -- complete with walls of glass windows and a "bear-cam" tracking system.

Pete builds a butterfly-themed treehouse that includes six trees in Independence, Ohio, for a hope center that wanted a theraputic space within the trees.

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.

A woman and her family spend their time rescuing and rehabilitating koalas in their home in Australia; Crikey the koala, a baby found alone and very sick, becomes well enough to release back into the wild.

Capt. Benni must send the Páll Jo´nsson into The Void: a deeper fishing ground to the far north of the Arctic Circle; Caitlin earns a permanent spot onboard; Greg's last-minute decision has massive consequences.

From the Lone Star State to the Arctic Circle, new greenhorn Andrew comes aboard the Valdimar to start his grueling three-week trial; disaster strikes when the Páll Jo´nsson sails back to The Void; Caitlin's mistake unleashes the wrath of Ingo.

With a super storm on the horizon, Capt. Frosti changes course and sails the Valdimar to Crazy Ridge; Caitlin is tested when turbulent waters strike the Páll Jo´nsson; greenhorn Andrew's rashness puts his trial in jeopardy.

Greenhorn Andrew begins his final trial week on the Valdimar; deckhand Caitlin faces a week at sea with the crew one man down; both boats return to their shared home port for the Christmas break, allowing the crews to meet for the first time.

It's high season for Icelandic fishing where catches are bigger than the storms; deckhand Andrew faces an epic Arctic cyclone and sleepless nights; sudden steering malfunctions leave the Páll Jo´nsson exposed at sea.

The deckhands embark on their final week aboard; Caitlin struggles with painful tendonitis during a storm that jeopardizes the prize catch of the season; Andrew feels the heat with the fast-paced duties on the Valdimar.

During the final shift, a severe winter storm strikes the Páll Jo´nsson and Caitlin perseveres through her injury to save the day; Andrew uses his knowledge, strength, and determination to land every single cod and receives one final surprise.

Dr. Ross acquires a mobile medical unit for community outreach and Dr. Blue's brother gives it the works; Dr. Ross helps an abscessed iguana; Dr. Lavigne gives a paraplegic dachshund new wheels.

The clinic takes in displaced animals during the massive flooding in Houston; Dr. Blue helps a puppy with a deadly disease acquired from standing water; Dr. Lavigne and Dr. Ross examine a wandering tiger.

Dr. Ross performs surgery on a second-chance pup; Dr. Lavigne checks up on a prickly pet; Dr. Blue treats an injured owl, then joins Dr. Ross in checking on a cute litter of sick, tiny piglets.

Dr. Lavigne performs a risky surgery on a loving pit bull with a record-breaking tumor; Dr. Ross examines a rescue pigeon turned pet; an aspiring vet student joins Dr. Blue at Cy-Fair; the doctors deal with a heartbreaking situation at the clinic.

A dog has chewed off her own tail; a reptile may need a tail amputation; Dr. Lavigne helps Sutter Butter, a cat rescued from being thrown out of a car, and is now having seizures.

Julia and her husband John deal with a snake that has hidden in the doorway of a house. Then a family with a baby have spotted a small snake in their hoover. Plus, Julia must release almost 30 newly hatched baby carpet pythons into the wild.

Julia helps a customer deal with a python with a particularly big belly in their garden and later races to get a python out of a tree.

Dr. Jeff and his team head to a remote town to provide low-cost pet care; Dr. Petra performs life-saving surgery on a basset hound hit by a car; a cat with plenty of attitude needs Dr. Amy to treat his mysterious wound.

Dr. Jeff helps a puppy with a mysterious and painful injury; Shelter volunteers drive from Kansas hoping Dr. Jeff's team can save a tiny rescued dog hit by a car; the team travels to Tennessee to help Jeff's cousin provide free vet care.

Julia and her husband John deal with a snake that has hidden in the doorway of a house. Then a family with a baby have spotted a small snake in their hoover. Plus, Julia must release almost 30 newly hatched baby carpet pythons into the wild.

Julia helps a customer deal with a python with a particularly big belly in their garden and later races to get a python out of a tree.

Dr. Jeff and his team head to a remote town to provide low-cost pet care; Dr. Petra performs life-saving surgery on a basset hound hit by a car; a cat with plenty of attitude needs Dr. Amy to treat his mysterious wound.

Dr. Jeff helps a puppy with a mysterious and painful injury; Shelter volunteers drive from Kansas hoping Dr. Jeff's team can save a tiny rescued dog hit by a car; the team travels to Tennessee to help Jeff's cousin provide free vet care.

The clinic takes in displaced animals during the massive flooding in Houston; Dr. Blue helps a puppy with a deadly disease acquired from standing water; Dr. Lavigne and Dr. Ross examine a wandering tiger.

Dr. Ross performs surgery on a second-chance pup; Dr. Lavigne checks up on a prickly pet; Dr. Blue treats an injured owl, then joins Dr. Ross in checking on a cute litter of sick, tiny piglets.

Katherine Conner drops out of school at 16 to work as a professional dancer in London's West End, her life's dream; at the age of 21, while on vacation in Thailand, she meets a baby elephant named Boon Lott that changes her life forever.

Sam Brittain and Melanie Croce run Seal Rescue Ireland, the only seal rescue in the entire country; alongside devoted volunteers, they do everything to save and rehabilitate orphaned and injured seals so that they can return to the wild.

Wardens patrol the crowded rivers, only to find a sunken jet boat and its unhappy driver; a warden stops out-of-state campers when he smells something out of the ordinary.

The annual Boat Float has wardens hustling to clear rivers of capsized rafters; young anglers may not be telling the truth about having fishing licenses; a father and son are caught red handed.

Wardens find that a group of litterbugs is guilty of even more violations, and the Sheriff's office has to be called in. Wardens catch over-the-limit anglers in the act.

When the openings of both the bighorn sheep and archery elk hunting seasons overlap, wardens catch illegal hunters in the act; off-roaders cause some serious land damage; on the 4th of July seemingly intoxicated boaters give wardens a difficult time.

Anglers find out that using too many poles will land them a hefty fine.

Wardens crack down on anglers during the limited paddlefish season. Shed hunting season brings eager collectors out in droves. A warden gathers biological information on a bear that's just been harvested.

Wardens on Seeley Lake enforce boating licenses and prepare for the Yellowstone boat float; they keep rafts steady and uncover illegal fishing, ensuring safety and lawfulness amidst the fun.

Conservation officers crack down on boaters not complying with the law; a routine fishing patrol has officers tracking down over-the-limit anglers; a kayaker is reminded that lifejackets work best when worn, even when close to home.

Following Michigan Conservation Officers as they protect and patrol natural resources in a remote area.

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

Michigan's Conservation Officers unite to protect the state's resources amid winter's chill and a busy deer season; Great Lakes officers aid divers recovering a Tuskegee Airmen's plane, leading to a moving monument unveiling.

Michigan conservation officers monitor elk hunters across early and late seasons; a blind hunter secures a prized bear tag with help from a group of kids and veterans; officers patrol snowmobilers and ice anglers braving frigid conditions.

Officers check deer and waterfowl hunters, a DNR supervisor leads a turkey hunt, and a rehab center works to heal and release injured wildlife.

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

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

Officers investigate a timber contract violation and patrol Michigan's deer season; a Warden's videographer joins a DNR program that empowers women to explore outdoor hobbies and conservation.

Officers check deer and waterfowl hunters, a DNR supervisor leads a turkey hunt, and a rehab center works to heal and release injured wildlife.

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

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

Officers investigate a timber contract violation and patrol Michigan's deer season; a Warden's videographer joins a DNR program that empowers women to explore outdoor hobbies and conservation.

Following Michigan Conservation Officers as they protect and patrol natural resources in a remote area.