History is made at the Australia Zoo when Robert and team attempt the largest alligator capture and relocation; koala breeding takes a tough turn for Bindi and the Wildlife Hospital; Terri gives the Sumatran elephants more space to roam.

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 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.

A Shar-Pei keeps his toys away from his siblings; a young cairn terrier sets off on an adventure; a tiny boxer's grandfather steers him toward glory.

Nine keeshond puppies try to befriend a flock of ducks; a young Great Dane tries to adjust to his growing body; five cocker spaniel siblings exhibit different personalities.

It's moving day for Acco, the zoo's biggest crocodile; all goes to plan until his mate Cassie goes into hiding; the team races to reunite the bonded pair in their new enclosure; the rescue unit fights to save a flying fox entangled in barbed wire.

When Scott and Tre get lost deep in the swamp, it's up to Paul and Jimmy to rescue them.

The boys create the first no-kill croc rescue in Mexico; monster-crocodile El Diablo is terrorizing villages and Paul will not leave until it is captured.

A hellish cat named Milo is on the brink of breaking a 10-year-long friendship; a woman and her Bengal cat, Gus, may be kicked out of her parents' home due to his outrageous and unpredictable behavior.

A couple's cat flies into rages over 20 times a day, causing self-inflicted wounds to her tail and body; a happily married couple's feline has been biting and scratching her way into their fairytale lifestyle.

Tia races to a rural shelter in Louisiana to rescue four dogs from euthanasia; Mariah and Toney give a scared, shy dog a shot at a forever home; a unique canine gets a chance at a dog program in a Pennsylvania prison.

When two lovable pups are dropped off at Villalobos' dog boutique, the VRC crew is determined to get them back to good health; a young woman comes in searching for a canine to experience the "Big Easy" lifestyle with her.

Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe, battling giant fish, massive sharks and a deep-sea monster.

Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe, battling giant fish, massive sharks and a deep-sea monster.

Jeremy Wade investigates a case in Nepal that sounds strangely familiar -- a lone fisherman dragged off his feet and into a mountain river by the original river monster, the goonch catfish.

Traveling from London to Greenland and on to Norway, Wade follows the trail of an unknown sea monster; fishing through ice to extreme depths, he attempts to reel in this monster before the full fury of an Arctic storm hits.

On the tropical island of Sulawesi, Indonesia, a tourist snorkeler and several local fishermen have been killed and injured by a mysterious sea creature that impales its victims; Wade travels to the scene to investigate.

After numerous credible eyewitness accounts of the Tasmanian Tiger in Australia, James Cook University has researchers on the move; Forrest joins their study before heading deep into the Cape York Peninsula.

Forrest Galante visits the island of Java in Indonesia to look for the Javan Tiger; this exotic predator was declared extinct in 2003, but park rangers and locals have had recent sightings and are collecting evidence of its existence.

Forrest combs the Florida Everglades for a predator rumored to exist for years, the Black Panther; it might be a case of mistaken identity, but while scouring the landscape, discoveries suggest that it might be more than a rumor.

Forrest teams up with a specialist in Newfoundland in search of a predator that was declared extinct in 1930; the duo meets with a hunter that shot what is believed to be a wolf and uncovers evidence that suggests the species could be alive.

After numerous credible eyewitness accounts of the Tasmanian Tiger in Australia, James Cook University has researchers on the move; Forrest joins their study before heading deep into the Cape York Peninsula.

Forrest Galante visits the island of Java in Indonesia to look for the Javan Tiger; this exotic predator was declared extinct in 2003, but park rangers and locals have had recent sightings and are collecting evidence of its existence.

Forrest combs the Florida Everglades for a predator rumored to exist for years, the Black Panther; it might be a case of mistaken identity, but while scouring the landscape, discoveries suggest that it might be more than a rumor.

Forrest teams up with a specialist in Newfoundland in search of a predator that was declared extinct in 1930; the duo meets with a hunter that shot what is believed to be a wolf and uncovers evidence that suggests the species could be alive.

Wade takes on the biggest investigation of his career -- to unravel what happened to over 1,000 passengers of the RMS Laconia, torpedoed in the mid-Atlantic; he travels the globe, battling giant fish, massive sharks and a deep-sea monster.

Jeremy Wade investigates a case in Nepal that sounds strangely familiar -- a lone fisherman dragged off his feet and into a mountain river by the original river monster, the goonch catfish.

A tiny beagle proves his worth to his much-bigger sisters; bichon frise puppies follow their mother's example to show-dog stardom; one young Doberman pinscher stands out from his eleven siblings.

Five small piglets befriend the family dog; energetic Mini Lop rabbits grow into their ears; three baby hedgehogs find adventure in the great outdoors.

Robert wrangles western diamondback rattlesnakes in Arizona for the first time, learning techniques passed down by his dad; Terri helps save some of the hospital's tiniest patients, three baby feathertail gliders; Bindi chats with Occa the cockatoo.

Paul and Jimmy experience hospitality and culture shock as they take on crocs and giant snakes in Mazatlan, Mexico; Paul faces off with the monster croc, El Diablo one final time.

Paul and Jimmy go after some of the biggest and nastiest gators; Eric has an identify crisis that leads him to strange behavior.

Jackson works on the behavior of a hyperactive cat named Mr. Weasley. However, when this Persian cat goes down mid-play, the story takes a completely different turn. Jackson also figures out how to move an exiled cat indoors.

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.

Before heading to New York City's Dog Bowl, Mariah and M2 prepare their most eligible rescues for the big day; Toney and Earl discover an emaciated stray dog roaming a nearby neighborhood; a lone trucker comes to VRC to find a forever friend.

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.

Pete and the team travel to Trempealeau, Wis., to build a rustic river shack-themed tree house for two parents who yearn for an easy escape after a long day.

Pete and his crew are tasked with building a nature center, 14 feet off the ground at 10,000-acre nature preserve, Dogwood Canyon in Lampe, Missouri, established by Bass Pro Shops founder Johnny Morris, for the company's upcoming Christmas party.

Inspired by South American treehouse maestro Richard Brunnelli, Pete builds a hexagonal live-in treehouse for a Treehouse Workshop graduate in coastal Oregon.

A heard of goats stand in the way of Pete building an elegant English retreat with a luxurious hanging bed on an idyllic farm in Waxhaw, N.C.

Pete builds a clubhouse for a camp for children battling cancer; a crow's nest outpost and peek-a-boo roof for full interaction with nature.

Pete finds inspiration in old tales to build a mesmerizing treehouse, with a curved turret that soars two stories high and a deck to take in the amazing sights, over the stems of a twisty silver maple on the shore of Lake Chelan.

A magical castle treehouse to inspire artistic endeavors; partying is the task for Pete and his crew in eastern Nebraska.

Pete and the crew round-up the magnificent seven of cypresses alongside the Frio River and moseys on down to Leakey, Texas to build a gigantic, Texas-sized treehouse with the longest bridge in NT&S history.

Pete Nelson uproots an existing treehouse from the family-owned bed & breakfast Treehouse Point to build a custom-made treehouse as a housewarming gift for his daughter, Emily.

Pete finds inspiration in old tales to build a mesmerizing treehouse, with a curved turret that soars two stories high and a deck to take in the amazing sights, over the stems of a twisty silver maple on the shore of Lake Chelan.

A magical castle treehouse to inspire artistic endeavors; partying is the task for Pete and his crew in eastern Nebraska.

Pete and the crew round-up the magnificent seven of cypresses alongside the Frio River and moseys on down to Leakey, Texas to build a gigantic, Texas-sized treehouse with the longest bridge in NT&S history.

Pete Nelson uproots an existing treehouse from the family-owned bed & breakfast Treehouse Point to build a custom-made treehouse as a housewarming gift for his daughter, Emily.

Pete and his crew are tasked with building a nature center, 14 feet off the ground at 10,000-acre nature preserve, Dogwood Canyon in Lampe, Missouri, established by Bass Pro Shops founder Johnny Morris, for the company's upcoming Christmas party.

Inspired by South American treehouse maestro Richard Brunnelli, Pete builds a hexagonal live-in treehouse for a Treehouse Workshop graduate in coastal Oregon.

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.

Naughty felines are caught in the act; cute kittens attempt to mimic the actions of their human friends.

Counting down the goofiest and most adorable dog clips.

More adorable kitty videos.

The Brewer family's home doubles as a rescue for dozens of parrots; Antonio helps a family reclaim their kitchen and dining room, and builds a huge geodesic dome for rescue parrots to spread their wings.

Antonio designs a multi-functional space for the bunnies, ferrets, cats and dogs that live under one roof.

Antonio Ballatore showcases a number of incredible pet-centric builds that have inspired his own creations.

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.

Dr. Jeff performs surgery on Slash, a dog who can't keep his food down and weighs 20 pounds less than he should; Winter the cat has a bloody wound on his side.

When a puppy is kicked in the head by a donkey, Dr. Jeff is her only hope; Jeff goes fishing for a hook stuck in a hungry beagle's throat; Dr. Amy helps a cat unable to walk; Dr. Nichols gets caught up in a wrestling match with an alpaca.

In Denver, the vets treat a cat named Byron who has been mysteriously losing weight; Bear the dog is treated for injuries after being hit by a car.

Dr. Jeff races to save a brave pit bull shot defending her owner during a robbery; Dr. Baier treats a guinea pig with an unusual problem; Dr. Jeff and Hector head out to a wildlife sanctuary that needs their help with a couple of wolves.

Dr. Baier races to save a young couple's cat after it is hit by a truck; Dr. Don operates on a basset hound with an unusual appetite; Dr. Jeff and his team head to Mexico to provide desperately needed vet care to the community.

When Dr. Jeff examines a beloved Weimaraner who has stopped eating, he makes a surprising discovery; Dr. Baier investigates the cause of a pet rabbit's mysterious fur loss; a servicewoman asks Dr. Jeff for help with her Pit Bull's injured leg.

Dr. Jeff helps a remote town in Colorado overwhelmed by feral cats; a staff member's beloved dog needs emergency surgery; Dr. Baier gives some injured birds of prey a second chance; Jeff races to save the life of a family's precious Chihuahua.

Dr. Dee hosts a pet tricks competition to raise funds for a no-kill animal shelter in Fairbanks; surgery for a pot-bellied pig named Lilly Lou is full of surprises; stallion of Dr. Dee's long-time friend has a possibly deadly tumor.

Dr. Dee puts her mother on a plane to a remote vet clinic in Manley Hot Springs; Rottweiler could have bone cancer; bunny suffers with large abscess; St. Bernard puppies stop by for a visit.

When Dr. Jeff examines a beloved Weimaraner who has stopped eating, he makes a surprising discovery; Dr. Baier investigates the cause of a pet rabbit's mysterious fur loss; a servicewoman asks Dr. Jeff for help with her Pit Bull's injured leg.

Dr. Jeff helps a remote town in Colorado overwhelmed by feral cats; a staff member's beloved dog needs emergency surgery; Dr. Baier gives some injured birds of prey a second chance; Jeff races to save the life of a family's precious Chihuahua.

Dr. Dee hosts a pet tricks competition to raise funds for a no-kill animal shelter in Fairbanks; surgery for a pot-bellied pig named Lilly Lou is full of surprises; stallion of Dr. Dee's long-time friend has a possibly deadly tumor.

Dr. Dee puts her mother on a plane to a remote vet clinic in Manley Hot Springs; Rottweiler could have bone cancer; bunny suffers with large abscess; St. Bernard puppies stop by for a visit.

When a puppy is kicked in the head by a donkey, Dr. Jeff is her only hope; Jeff goes fishing for a hook stuck in a hungry beagle's throat; Dr. Amy helps a cat unable to walk; Dr. Nichols gets caught up in a wrestling match with an alpaca.

In Denver, the vets treat a cat named Byron who has been mysteriously losing weight; Bear the dog is treated for injuries after being hit by a car.

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.

After two years of devoted care by Julius, an orphaned baby elephant named Malkia is ready to return to the wild.

Officer Bronson investigates a teen's social media post, where they brag of illegally shooting a deer; Officer Canfield confronts a hunter over multiple violations; the dive team looks for a boat and its driver.

A trapper is suspected of poaching, and stealing a trail camera surveying the illegal traps; an investigations into the death of an owl; officers question a father and son who may have hunted over illegal bait.

A severed finger is found on Mount Monadnock, sending a team and K-9 Wyatt in search of other possible body parts; a family of repeat offenders are found riding their ATVs without proper protective gear; a man admits to an illegal bear kill.

A horrific rock climbing accident on Cannon Cliffs sends two officers and an emergency team on a heroic helicopter rescue mission; a combative man is found illegally riding an OHRV; a moose causes a traffic jam.

A deer hunter is caught with tree stands on private property; a group of ATV speedsters chased by wardens; investigating a suspicious bear kill.

A rescue team is urgently deployed to help an injured hiker down Falling Waters Trail before rain comes; Officer Bronson searches for an illegal pheasant hunter; Lt. Murphy stops an ATV rider on a prohibited road.

A group of ATV riders on prohibited trails; an illegal deer kill; an abandoned car is found on the Androscoggin River.

A look at the lives of Montana conservation officers who defend public lands, handle anti-poaching sting operations and more.

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

A look at the lives of Montana conservation officers who defend public lands, handle anti-poaching sting operations and more.

Wardens enforce strict paddlefish season rules and manage the high-traffic shed hunting rush; biological data is collected from harvested bears to monitor population health.

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

A look at the lives of Montana conservation officers who defend public lands, handle anti-poaching sting operations and more.

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

Wardens help rescue a hunter with a broken leg. Hunters coming through a warden check station get into hot water after not telling the truth.

Wildlife decoys lead to surprising arrests; a warden's K9 unearths critical evidence; a major investigation into moose and elk poaching results in a significant law enforcement takedown.

A look at the lives of Montana conservation officers who defend public lands, handle anti-poaching sting operations and more.

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

Wardens help rescue a hunter with a broken leg. Hunters coming through a warden check station get into hot water after not telling the truth.

Wildlife decoys lead to surprising arrests; a warden's K9 unearths critical evidence; a major investigation into moose and elk poaching results in a significant law enforcement takedown.

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

A look at the lives of Montana conservation officers who defend public lands, handle anti-poaching sting operations and more.

When doctors discover Benny, a lovable pitbull mix has a large cancerous lump on his head, his owner is determined to have a little more time; Dr. Schwartz is on a mission to uncover a mystery behind Tigger the cat's swollen face.

Dr. Vasilescu navigates a rescue dog's heart murmur after also showing signs of dental discomfort; Dr. Schwartz attempts to uncover the reason behind a cat's ear pain after losing part of his tail to frostbite.

After months of croc-wrangling training with Steve Irwin's best friend Wes, Robert, Steve's son, takes the final step in his journey to feed Graham, a huge crocodile at the zoo's famous Crocoseum.

Reviewing the Gator Boys' most polarizing moments and closest calls from the wild Florida Everglades to the untamed Mississippi bayous.

Paul is in search of a veterinarian who can perform a dangerous operation to fuse a gator's broken ribs back together while using a anesthetic that is life threatening to gators.

An expecting couple is hesitant to have their cat Sebastian around because of his unpredictable and violent streak; Jackson is tasked with helping a man tame his wild cat and revisits a heroic cat's small town in Ohio.

Jackson encounters a woman who fears her cat to the point where she keeps him in a box outside her home. He also travels to Brooklyn to try and salvage the relationship between a couple constantly feuding over their two felines.

Tia and the twins hit the road after she receives back-to-back calls for help from the South; after helping an army veteran with a new litter of puppies, the team find themselves on a wild chase after an injured dog through Jackson, Miss.

Tia and Tania help out in the aftermath of a tornado; Mariah oversees her first solo puppy adoption.

Bobo and Cliff head to Oregon while Matt and Ranae go to Washington for a friendly wager to determine which state is squatchier.

The team visit the Bigfoot Discovery Museum in Santa Cruz where they learn about recent sightings.

The team investigates a photo taken in northern Michigan and lay bait as witnesses come forward.

The team travels to New Jersey for the first time, where members hold a town hall meeting to gather more witnesses after a successful night investigation.

In Alaska, Noah risks losing a dream property when he volunteers his siblings and himself for a hauling-and-build mission to help an off-grid family in need; Bear invents a new way to accomplish a tedious bush chore.

The Brown siblings battle boat issues while racing to meet a deadline to see a dream property; in Washington, Bam strives to save the ranch money by learning from a local hay farmer; Bear and Raiven share big news for their future.

The Browns must navigate the treacherous Wrangell Narrows on course for the storied Mosman Island, where Bird hopes to begin a new chapter; with the clock ticking for Noah to find his homestead, stormy seas threaten their journey.

Noah finds his dream property on a remote, private island but without the full deposit to secure it, agrees to a complex barter deal; back on Mosman Island, the emotion of the Alaskan trip takes its toll on youngest sibling Rain.

In Alaska, Noah risks losing a dream property when he volunteers his siblings and himself for a hauling-and-build mission to help an off-grid family in need; Bear invents a new way to accomplish a tedious bush chore.

The Brown siblings battle boat issues while racing to meet a deadline to see a dream property; in Washington, Bam strives to save the ranch money by learning from a local hay farmer; Bear and Raiven share big news for their future.

The Browns must navigate the treacherous Wrangell Narrows on course for the storied Mosman Island, where Bird hopes to begin a new chapter; with the clock ticking for Noah to find his homestead, stormy seas threaten their journey.

Noah finds his dream property on a remote, private island but without the full deposit to secure it, agrees to a complex barter deal; back on Mosman Island, the emotion of the Alaskan trip takes its toll on youngest sibling Rain.

The team investigates a photo taken in northern Michigan and lay bait as witnesses come forward.

The team travels to New Jersey for the first time, where members hold a town hall meeting to gather more witnesses after a successful night investigation.

Motivated by the extraordinary compassion and belief that all animals deserve treatment, the vet and thrift store team of the Regional Animal Protection Society work tirelessly to offer low-income pet families access to life-saving healthcare.

Motivated by the extraordinary compassion and belief that all animals deserve treatment, the vet and thrift store team of the Regional Animal Protection Society work tirelessly to offer low-income pet families access to life-saving healthcare.

The Australia Zoo's alligator snapping turtles need a health check, and it's Robert's job to protect from their fierce bites; Terri and Bindi welcome seven new lemurs from the United States; the Rescue Unit must save possums caught in a chimney.

Paul has his hands full juggling nuisance gator catches and training new volunteer Caroline; Jimmy, Tre and Scott try to save a gator that swallowed a flip-flop.

Ashley shares her challenges and preparations for wrestling a gator and demonstrates how her work differs from the men's with a women's empowerment group.

Jackson rehabilitates a cat who is tortured by fear and is aggressive toward her tail; Jackson is introduced to a pair of owners whose cat is constantly knocking things over, climbs up window screens and spontaneously attacks.

Jackson helps a cat who struggles to get along in his rescue home but is hopeful that the right foster family is in his future. He also meets an inspiring feline who overcame a heart condition and has gained internet fame.

Tia sends Jake and Armando on a rescue mission to Texas after hearing about two pit bulls who were wounded in a run-in with a porcupine; when a second story about a dog on death row comes in, the guys need to kick it into high gear.

Tia decides to hire new parolees, but one parolee may blow his chance at redemption on the first day; shocking news about one of Villalobos' most beloved dogs, Creature, threatens to end his chances of being adopted.

The wardens encounter people of all shapes and sizes who lie their butts off to get out of trouble; Warden Parker searches for a trigger-happy shooter in a populated neighborhood.

In Maine, Warden Herring comes across a sprawling illegal encampment on private property; Warden Stevens discovers three marijuana grows and must seize dozens of plants.

Wardens McBrine and Carter begin hunting a wanted man; a search that could take days; Herring checks out a mysterious shack on city property.

Warden Robertson has difficulty pursuing a speeding dirt biker but finds a crucial clue to his destination; newborn fawns are stalked by two loose dogs; ATV accident victim has a most unbelievable story as to how he crashed.

Warden McBrine coordinates a LifeFlight helicopter rescue for a car crash victim; Warden Buuck gives a presentation on boating safety.

Warden Cain and his staff make the difficult decision to evacuate Angola when the Mississippi River's rising waters threaten to flood the penitentiary.

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.

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.

Warden Cain and his staff make the difficult decision to evacuate Angola when the Mississippi River's rising waters threaten to flood the penitentiary.

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.

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.

In Maine, Warden Herring comes across a sprawling illegal encampment on private property; Warden Stevens discovers three marijuana grows and must seize dozens of plants.

Wardens McBrine and Carter begin hunting a wanted man; a search that could take days; Herring checks out a mysterious shack on city property.

Cat owners and their fabulous felines in the southeast.

John Fulton is on the prowl to find the coolest cats on the West Coast.

Rosie the giraffe is ready to give birth; Robert has a bloody encounter with a wild python that has entered an enclosure; Terri helps the keepers wrangle Chief the Tasmanian devil.

The Gator Boys are convinced now more than ever, after some sub-par volunteers and dangerous gators, that they really need to get Jimmy back; Ashley twists her ankle while trying to help Paul, turning a gator capture into a deadly situation.

The boys look back at their fondest and most dangerous mishaps in Mississippi including the time they helped the Gulf Coast Gator Ranch capture over 200 gators or the first gator they caught named Petsy or the time...

Jackson visits New York City to meet a father and son who've been taking care of a feral cat colony in their backyard and are desperately in need of help. He also lends his expertise to a couple who are dealing with an antisocial cat.

Jackson must rescue two cats from their cycle of co-dependency before they're kicked out of their owner's house; Jackson is introduced to a couple who shelters four special need felines and a man who struggles with his frisky feline.

Tia's dream of relocating becomes a nightmare as fate turns against her; a call from the former owner of one of Villalobos' most aggressive dogs leads to the ranch's most emotional reunion yet.

The time to celebrate Armando's wedding approaches, but even on this happy occasion the dogs come first; when a rescue mission becomes more than she bargained for, Tia must race to the altar, not wanting to miss Armando's big day.

Jeremy investigates the case of a Bolivian man who had his face ripped off by a ferocious river predator, leading to a showdown with an old adversary.

Angler Jeremy Wade pushes himself and his gear past breaking point to discover what killed a bride in the Colombian Amazon; amidst dense jungle and hostage-taking rebels, Jeremy discovers evidence that turns the investigation on its head.

Jeremy travels to Central America to locate a man-sized beast that reportedly leaps into boats and inflicts devastating injuries upon fishermen.

Jeremy searches for a monstrous beast that reportedly lives in the Zambezi River and can swallow children whole.

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 "Jaws" in Florida's Indian River Lagoon and investigates underwater predators in Missouri's Lake of the Ozarks.

Jeremy visits a waterfall in the Pacific Northwest where an ancient creature allegedly attacks swimmers.

Jeremy looks into a series of grisly attacks at the site of the world's worst nuclear power plant accident.

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 "Jaws" in Florida's Indian River Lagoon and investigates underwater predators in Missouri's Lake of the Ozarks.

Jeremy visits a waterfall in the Pacific Northwest where an ancient creature allegedly attacks swimmers.

Jeremy looks into a series of grisly attacks at the site of the world's worst nuclear power plant accident.

Angler Jeremy Wade pushes himself and his gear past breaking point to discover what killed a bride in the Colombian Amazon; amidst dense jungle and hostage-taking rebels, Jeremy discovers evidence that turns the investigation on its head.

Jeremy travels to Central America to locate a man-sized beast that reportedly leaps into boats and inflicts devastating injuries upon fishermen.

Bulldog Dexter is out to prove himself as athletic and not lazy like his siblings; litter of pups from the city are rescued and brought to a barn where they encounter strange beasts.

Cairn terrier Doogie wants picky house cat to be his friend; Samoyed pups choose between staying squeaky clean with their mother or get down and dirty with their father.

Dot the English mastiff puppy tries to ditch her sister, Olive, who follows her everywhere; Niles the small Munsterlander wants to be the best hunting dog there is, but he's easily distracted by his mother.

Chester the Siamese desperately searches for peace and quiet away from his eight loud siblings; Pippa works at a cat clinic while simultaneously caring for six tiny British Shorthairs.

Hunter the Sumatran tiger is blind and must be sedated for his annual eye check; the keepers prepare young giraffe Scarlett for a road trip to South Australia, reuniting her with family.

A woman who calls about a gator in her backyard, soon ends up volunteering for Gator Boys Alligator Rescue, but when Tre starts to teach her the ins and outs, the experience goes to his head and decides to open a gator wrestling class.

With gator hunting season on the horizon, the Gator Boys race against time in Mississippi to find and rescue the gigantic gator known as Moby Dick, before the hunters catch a massive prize.

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 helps a woman overcome fears of her cat's violent behavior; Jackson is introduced to a family afraid to furnish their home because the cat they rescued from Katrina stricken New Orleans is dividing the family.

Tia and the twins hit the road after she receives back-to-back calls for help from the South; after helping an army veteran with a new litter of puppies, the team find themselves on a wild chase after an injured dog through Jackson, Miss.

Roommates with extreme lifestyles want to adopt a pit bull; Tia rescues an abandoned mastiff.

Forrest ventures home to Zimbabwe in search of the mysterious Cape lion; he and the crew navigate the African bush determined to get DNA proof, facing threats of charging rhinos and huge prides of lions.

Forrest is in the Galapagos seeking the Fernandina tortoise, an animal that was only seen once, over 100 years ago; the clues are here, along with an abundance of unique species, raising hopes of a historic discovery.

Forrest is determined to find out if the famously reclusive Ivory Billed Woodpecker still exists; the alligator and poisonous snake infested swamps of Louisiana make for a challenging mission, but he is prepared for anything.

Deep in the jungles of Colombia, Forrest is on a mission to prove the Rio Apaporis Caiman still exists; locals believe this crocodilian resides within a lawless land inhabited by guerrilla rebels, kidnappers and deadly predators.

In Vietnam, Forrest teams up with a conservation group to save the largest turtle species in the world from extinction; using cutting edge technology, they attempt to find a suitor for the last and only surviving Giant Softshell.

A black bear charges Joe Azzouggagh and his German shepherd, Ace, deep in the Ontario wilderness; single father Andrew Dickehage, forced to walk six miles along a rural road at night, comes under attack from unseen predators.

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.

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 black bear charges Joe Azzouggagh and his German shepherd, Ace, deep in the Ontario wilderness; single father Andrew Dickehage, forced to walk six miles along a rural road at night, comes under attack from unseen predators.

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.

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.

Forrest is in the Galapagos seeking the Fernandina tortoise, an animal that was only seen once, over 100 years ago; the clues are here, along with an abundance of unique species, raising hopes of a historic discovery.

Forrest is determined to find out if the famously reclusive Ivory Billed Woodpecker still exists; the alligator and poisonous snake infested swamps of Louisiana make for a challenging mission, but he is prepared for anything.

A security sock keeps a timid pup named Wally calm within his pack of nine Spinone Italianos; Oskar the Pug is constantly into mischief and keeps his librarian mother on her toes.

Seven German Shepherd puppies are being trained as Search and Rescue dogs by their mother out in the country; Prickle the African Pygmy Hedgehog looks for a cuddly cozy pal among a house full of Havanese puppies in the city.

Siberian soulmates' son Calvin is a fireball and puts their relationship to the test; Izzie the Turkish Angora kitten has a tough life balancing her personal style while living in a cats only grooming salon.

Siberian Husky declares himself to be, among a pack of seven pups, their leader, but now he has to back it up with superior sledding skills; Lil the Irish Setter runt proves she can keep up with the dozen count litter.

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.

As the calls keep coming in, everyone has been stretched thin since Jimmy quit; Paul comes to the begrudging realization that it's time to replace him.

Jimmy leaves town with Ashley and Andy to do his road show, while Paul has only newbie Caroline to help with gator calls.

Jackson enters the Santé D'or shelter intent on helping an over-aggressive shelter cat named Pigpen. However, by the time he leaves, Jackson is ready to take on the challenge of converting Santé D'or into a new shelter concept.

A cat-obsessed woman gets a kitten as a gift, but is quickly disappointed when the cat terrorizes her other two felines; a couple living in harmony is disturbed by their newest addition's demonic ways.

Tia makes a difficult decision; a family seeks shelter for its pit bull after losing a home in a fire.

Tia's goal is to transform the lives of parolees, however, one parolee risks his chances to get on the correct path; a pit bull rescued from the streets of Jackson, Miss., steals the heart of a potential adopter's heart.

Adventurous Texas family, living on a 200-acre ranch, want a camouflaged treehouse that also serves as a guest house.

Pete has a nine day window to build a Zen-like sanctuary for some old friends in the shadow of the Blue Ridge Mountains in Canton, N.C.

A heard of goats stand in the way of Pete building an elegant English retreat with a luxurious hanging bed on an idyllic farm in Waxhaw, N.C.

Pete and the crew round-up the magnificent seven of cypresses alongside the Frio River and moseys on down to Leakey, Texas to build a gigantic, Texas-sized treehouse with the longest bridge in NT&S history.

In Kentucky, Pete creates a treehouse with 17-foot-high ceilings and open-frame timber rafters, allowing a couple with a love of tree-climbing to harness up and dangle from both inside and out.

The NTS team focus their chi to create a meditation space 20 feet high through twisting maples for a couple in West Seattle.

A 500 square-foot ski lodge treehouse with a stainless steel candy kitchen and wine bar, 11 feet in the air and among 14 camphor trees is the gift Santa Pete wants to give the candy and wine making Splinter family of Northern California.

Pete takes on an exciting project for two tastemakers in Maine that includes a towering rooftop crow's nest and a wall of windows.

Pete and his team undertake a sticky challenge and reinvent the classic single-tree treehouse; constructing a magnificent and whimsical beehive-like structure soaring 30-feet high in a majestic Douglas fir.

The NTS team focus their chi to create a meditation space 20 feet high through twisting maples for a couple in West Seattle.

A 500 square-foot ski lodge treehouse with a stainless steel candy kitchen and wine bar, 11 feet in the air and among 14 camphor trees is the gift Santa Pete wants to give the candy and wine making Splinter family of Northern California.

Pete takes on an exciting project for two tastemakers in Maine that includes a towering rooftop crow's nest and a wall of windows.

Pete and his team undertake a sticky challenge and reinvent the classic single-tree treehouse; constructing a magnificent and whimsical beehive-like structure soaring 30-feet high in a majestic Douglas fir.

Pete has a nine day window to build a Zen-like sanctuary for some old friends in the shadow of the Blue Ridge Mountains in Canton, N.C.

A heard of goats stand in the way of Pete building an elegant English retreat with a luxurious hanging bed on an idyllic farm in Waxhaw, N.C.

After two years of devoted care by Julius, an orphaned baby elephant named Malkia is ready to return to the wild.

With the help of her two daughters and husband Phil, Donna Stepan runs Sleepy Burrow Wombat Sanctuary; she takes in a new orphaned baby in critical condition and the next 24 hours become a fight for its life.

Four friends set out on a grueling jungle expedition where they face torrential rains and deadly insects in a quest to verify a rumor of giant golden dorado in an uncharted Bolivian river.

The guys head deep into Zambia in search of large tigerfish and the only things standing in their way are 400 miles of unpaved roads, crocodiles, hippos and a serious lack of fuel.

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.

Dr. Ross treats baby kangaroos and teams up with the owners of a petting zoo to hold an animal awareness event; Dr. Blue removes a mass from a beloved pit-mix; Dr. Lavigne treats a vision- and hearing-impaired Great Dane.

A health scare ends Dr. Blue's dreams of motorcycle riding with his brother; Dr. Ross treats a sweet bearded dragon laying bad eggs; Dr. Lavigne must determine what to do about a large tumor taking over a boxer's toe.

The time comes for Dr. Ross and Tauvia to move out of his mother's house; Dr. Lavigne makes a life-or-death decision with Diesel, a mastiff who may have a toy lodged in his intestines; Dr. Blue sees a pig with an affection for household furniture.

Dr. Dee hosts a pet tricks competition to raise funds for a no-kill animal shelter in Fairbanks; surgery for a pot-bellied pig named Lilly Lou is full of surprises; stallion of Dr. Dee's long-time friend has a possibly deadly tumor.

Animal House gets busy as Dr. Dee must deal with a Chihuahua with a life-threatening condition, trim the beak of a vocal Macaw, and treat a deathly ill newborn calf; Dr. Dee and Ken add seven fainting goats to the family at home.

Dr. Dee and her husband Ken host a clinic in a town with a population of 107; back at Animal House, Dr. Dee races to save an akita with a gunshot wound.

A girl hopes Dr. Jeff can save her puppy from a deadly virus; a stray cat with a life-threatening injury; Dr. Jeff must gain the trust of rescued wolves to help an ailing member of the pack.

A dog is lost during a windstorm; Dr. Baier treats a small bird that has a big personality; a paralyzed dog is abandoned; an alligator is injured in a fight.