Pete builds ski lodge-style treehouse complete with an indoor-outdoor fireplace and a rooftop snowmaker for a ski-loving family.

Together with an inventive treehouse designer, Pete and Daryl create a 30-sided, sky-high geometric globe connected to the trees solely by wires for a thrill-seeking family in Seattle; a look back upon their many creations.

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 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.

Pete builds ski lodge-style treehouse complete with an indoor-outdoor fireplace and a rooftop snowmaker for a ski-loving family.

Bindi welcomes the arrival of tiny poison dart frogs to their new home at the zoo; Terri takes charge when the crew moves Bosco out of the Crocoseum; Chandler helps a glider called Kronk.

Robert handles an aggressive wombat called Bunker, and it's moving day for a giant anaconda called Nikki. Terri helps treat hundreds of lorikeets injured by a hailstorm. Later, Robert and Chandler team up to bake a special treat for the Irwin ladies.

The team builds a Bali-themed enclosure for a blue-tongued skink and gifts the clients an additional enclosure for their crested geckos; Greg surprises long-time client Tonya with a white throat monitor to expand her reptile collection.

Greg and Lucas visit the Morehouse family who want an Old West saloon-themed enclosure for their first reptile; Tyrone, Jason, Chris, and Lucas have a competition to see who creates the funniest memes.

Meet the Turkish Van, Snowshoe, Chartreux, Bengal, Domestic Housecat, Fat Cats, and Balinese.

The Tonkinese, Nebelung, Serengeti, Korat, Ragamuffin and the Toyger; adventurous furballs in it for the long haul.

Inside Bambino, Pixie Bob, Australian Mist, Domestic Longhair, Cats Gone Wild, Cheetoh and Napoleon.

A keel-billed toucan confiscated from smugglers begins a new life at the zoo; Troody the young red kangaroo has big shoes to fill; a herd of Bactrian fawns prepares to go on exhibit; the gorillas enjoy a new form of entertainment.

The zoo staff works to build a relationship between a pair of Asian elephants with very different personalities; vets treat an ocellated turkey chick's foot condition; Isabella the North American beaver undergoes a tooth trim.

The zoo's medical team must perform critical surgery on a bison calf born with a bowed leg; three lynx kittens are ready to explore their exhibit; the first known U.S. case of COVID-19 in animals is confirmed when a Malayan tiger tests positive.

After a long road to recovery, a golden eagle is ready for its debut at the Eagle Aviary exhibit.

The doctors all want to be the one who goes to a vet conference in San Diego; Dr. Ross treats a young kinkajou, while Dr. Blue treats a Min Pin's drop-dead breath; Dr. Lavigne suspects a cat has a contagious disease.

Dr. Ross and vet tech Kyerra race to save a stray cat horrifically mangled by a car engine; the Rosses move into their new home while Dr. Blue treats a 700-pound arthritic pig; Dr. Lavigne hears a rescue Chihuahua's incredible story.

Dr. Blue discovers a huge problem for a paralyzed Yorkie; Dr. Ross takes care of a pair of post-scuffle roosters, before joining Dr. Lavigne on a hyena consultation; the Lavigne family hosts a dinner party showcasing Anne's cooking skills.

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.

Dr. Baier suspects a ferret suffers from a spinal injury after being attacked by the family canine; Dr. Jeff travels to a wolf sanctuary to spay and neuter a desperate pack of wolf-hybrids; three dogs are rescued from an overcrowded shelter.

Khaleesi, the golden retriever pup undergoes a life-saving procedure; vet tech Blaire faces heartbreak over her beloved senior dog, Zula; during the global pandemic, Dr. Jeff and Hector ensure pets from an elderly community receive proper care.

Dr. Jeff and his team lend a hand at National Mill Dog Rescue and are eager to find Ginger the Pomeranian a forever home; a dog that loves to swallow household objects must undergo emergency surgery; Jimmy the gecko gives Dr. Baier a surprise.

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.

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.

Khaleesi, the golden retriever pup undergoes a life-saving procedure; vet tech Blaire faces heartbreak over her beloved senior dog, Zula; during the global pandemic, Dr. Jeff and Hector ensure pets from an elderly community receive proper care.

Dr. Jeff and his team lend a hand at National Mill Dog Rescue and are eager to find Ginger the Pomeranian a forever home; a dog that loves to swallow household objects must undergo emergency surgery; Jimmy the gecko gives Dr. Baier a surprise.

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.

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. Ross and vet tech Kyerra race to save a stray cat horrifically mangled by a car engine; the Rosses move into their new home while Dr. Blue treats a 700-pound arthritic pig; Dr. Lavigne hears a rescue Chihuahua's incredible story.

Dr. Blue discovers a huge problem for a paralyzed Yorkie; Dr. Ross takes care of a pair of post-scuffle roosters, before joining Dr. Lavigne on a hyena consultation; the Lavigne family hosts a dinner party showcasing Anne's cooking skills.

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.

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.

The convicts prepare for the final rodeo of the season; inmate James learns that he has been granted early release from Angola.

Lt. Col. Slater balances his prison duties with his responsibilities as a single father; former rodeo champ Cracker risks serious injury for another shot at glory; a local newspaper launches a smear campaign against Warden Cain.

A new inmate to Angola finally meets his grandfather, a prisoner also serving a life sentence; Lt. Col. Slater reconnects with a dying inmate.

An inmate prepares for a reunion with the son he hasn't seen in a decade; teams are put on alert when narcotics infiltrate 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.

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

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

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

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

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.

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.

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 warden checks on a hunter he suspects may be illegally baiting deer. A warden tracks down hunters using blinds on state land and finds they aren't quite abiding by the law. Wardens enforce the law with anglers on the Detroit River.

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

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 warden checks on a hunter he suspects may be illegally baiting deer. A warden tracks down hunters using blinds on state land and finds they aren't quite abiding by the law. Wardens enforce the law with anglers on the Detroit River.

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

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

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.

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 historical wildfires rip through Australia, the Irwins race to rescue as many animals as possible; Robert and Terri jump in to help the severely injured koala population; Bindi and the wildlife hospital rescue hundreds of baby flying foxes.

A nuisance gator finds cover under an Elvis impersonator's 1959 Cadillac; Paul is forced to ride in Jimmy's truck after Tre accidentally wrecks his vehicle.

Alligators are transported to an Everglades wildlife preserve; Jimmy meets a young Texas fan with a life-threatening disease; an aggressive gator prowls a Mississippi ditch.

Jackson experiences the vicious claws of a troubled cat terrorizing a family about to bring home a newborn baby; Jackson meets an inspirational cat named Skinny; Cole and Marmalade.

Jackson guides a defeated couple and their cat who has been locked away for over a year; he visits a Cat-Bassador who works with his guardian to help special needs cats find forever homes; Jackson visits an incredible prison program.

Disease outbreak in the swamps threatens the safety of the dogs; Tania goes out on a difficult rescue; Jackson gets a shot at a forever home.

Tania is furious that she has to deal with a tornado alone with no help from the parolees; pit bull trainer asks Tia for help adopting a work dog.

The search for squatch brings the team to Southern California, where reports have been rampant; they zero in on the canyons of Deep Creek, enlisting the help of an LA local for a night investigation that yields proof that sasquatches live there.

The team travels to Wisconsin for the first time on the heels of recent bigfoot activity, enlisting help from locals to investigate reports; they take the final night investigation to new heights as bigfoots stalk them in the dark.

The team travels to Remer, Minn., to investigate the small town's claim to be the Home of Bigfoot; as evidence continues to mount, the team pursues an exciting hot-off-the-press lead on a sighting and a footprint on their final investigation.

With the help of family and friends, the team investigates sightings along the Appalachian Trail and hopes for a squatchy night in the wilds of the Appalachia; an aftershow follows the program.

The Browns reel from the death of their patriarch, Billy Brown and must quickly decide on difficult next steps or jeopardize their mountain dream.

"Alaskan Bush People" is a reality-documentary series that introduces the Brown family -- Billy, wife Ami and their seven grown children who -- according to Discovery -- are interesting because "they are unlike any other family in America." The channel says they are so far removed from civilization that they often go six to nine months each year without seeing an outsider. They refer to themselves as a "wolf pack" and, perhaps due to isolation, have their own accent and dialect. The Browns live in the Copper River Valley, where temperatures can drop to 60 degrees below zero, and the family recently relocated and built a cabin there because, they say, their former home of many years was seized and burned down for being in the wrong location on public land.

The Browns meet their match with 75 tons of salvaged old mining equipment as they struggle to place it and get it running.

The Wolfpack launches into spring with ambitions that will push them in new directions; Gabe and Bam ramp up their efforts to rebuild the ranch by turning burnt trees into lumber; Noah reveals epic plans for Alaska.

The Browns reel from the death of their patriarch, Billy Brown and must quickly decide on difficult next steps or jeopardize their mountain dream.

"Alaskan Bush People" is a reality-documentary series that introduces the Brown family -- Billy, wife Ami and their seven grown children who -- according to Discovery -- are interesting because "they are unlike any other family in America." The channel says they are so far removed from civilization that they often go six to nine months each year without seeing an outsider. They refer to themselves as a "wolf pack" and, perhaps due to isolation, have their own accent and dialect. The Browns live in the Copper River Valley, where temperatures can drop to 60 degrees below zero, and the family recently relocated and built a cabin there because, they say, their former home of many years was seized and burned down for being in the wrong location on public land.

The Browns meet their match with 75 tons of salvaged old mining equipment as they struggle to place it and get it running.

The Wolfpack launches into spring with ambitions that will push them in new directions; Gabe and Bam ramp up their efforts to rebuild the ranch by turning burnt trees into lumber; Noah reveals epic plans for Alaska.

The team travels to Wisconsin for the first time on the heels of recent bigfoot activity, enlisting help from locals to investigate reports; they take the final night investigation to new heights as bigfoots stalk them in the dark.

The team travels to Remer, Minn., to investigate the small town's claim to be the Home of Bigfoot; as evidence continues to mount, the team pursues an exciting hot-off-the-press lead on a sighting and a footprint on their final investigation.

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.

An anxious Robert looks on when Indah the Komodo Dragon meets Gili, an aggressive potential mating partner; Terri handles a lump inside Jessie the woma python.

Jimmy causes major friction with Paul by buying a restaurant while they are already stretched thin by road shows and a new juke joint.

Paul and Jimmy are faced with dual problems and create a solution for both.

Jackson faces one of his greatest challenges when an old friend enlists his help; he is asked to put on a mass trapping event and recruit a new generation of volunteers to save community cats in Philadelphia.

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.

When a known dognapper drops a dog off at Villalobos, Mariah races to find the owner; new parolee finds himself way in over his head; Smack gets a second chance at a loving home after having her last adoption fall through.

Tia attempts to rescue a stray, but her leg injury holds her back; new parolee Mike struggles to balance working and being a parent; a family comes to Villalobos hoping to adopt a dog for their daughter, but finding a good match proves a challenge.

Warden Herring calls in the air wing to help track down illegal activity on a game preserve; Warden Blanchard catches an blatant violator in the act; with warrant in hand, Carter and McBrine search for a known poacher.

Wardens McKenney and Robertson find themselves perplexed as they investigate a night hunting complaint; Warden MacCabe finds an illegal bear hunter; K9 Tundra searches for a missing elderly man with dementia in the cold.

ATV driver tries to escape Sergeant Spahr and Warden Lounder; Warden Pelkey's K9 searches for hard evidence in a moose shooting; Warden MacCabe helps out a trapped great blue heron.

An investigation searches for the person who shot a moose and left it in the woods; a camouflaged ATV leads straight to a convicted felon; Warden MacCabe confronts an unusual hunter.

Simmons, Parker and Robertson catch sportsmen who fired from inside their truck; Spahr leads the search for a missing elderly woman in York County; the dive team searches for two duck hunters presumed drowned in the Sebasticook River.

Wardens spring into action when Maine's wildlife wanders into human territory; Marquis and Fitzpatrick try to catch a dumpster-diving bear; Warden Lounder chases a wily woodchuck.

At Camp North Woods, Herring, Parker and Lounder mentor aspiring kid wardens; injured hiker on the Appalachian Trail calls for emergency evacuation before nightfall; hurt porcupine; McKenney searches for a teenage runaway.

Wardens perform double duty in summer; Warden Judd comes to the rescue of a baby skunk; MacCabe and Robertson investigate a missing, stolen ATV.

The Maine Wardens search one final time for missing hiker Geraldine Largay; Lounder and Blanchard deal with hunter illegally firing close to a house; McKinney and Robertson find a baited shooting shack inhabited by possibly intoxicated hunters.

Wardens spring into action when Maine's wildlife wanders into human territory; Marquis and Fitzpatrick try to catch a dumpster-diving bear; Warden Lounder chases a wily woodchuck.

At Camp North Woods, Herring, Parker and Lounder mentor aspiring kid wardens; injured hiker on the Appalachian Trail calls for emergency evacuation before nightfall; hurt porcupine; McKenney searches for a teenage runaway.

Wardens perform double duty in summer; Warden Judd comes to the rescue of a baby skunk; MacCabe and Robertson investigate a missing, stolen ATV.

The Maine Wardens search one final time for missing hiker Geraldine Largay; Lounder and Blanchard deal with hunter illegally firing close to a house; McKinney and Robertson find a baited shooting shack inhabited by possibly intoxicated hunters.

Wardens McKenney and Robertson find themselves perplexed as they investigate a night hunting complaint; Warden MacCabe finds an illegal bear hunter; K9 Tundra searches for a missing elderly man with dementia in the cold.

ATV driver tries to escape Sergeant Spahr and Warden Lounder; Warden Pelkey's K9 searches for hard evidence in a moose shooting; Warden MacCabe helps out a trapped great blue heron.

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

Japan's cat culture includes cat cafés and lucky Maneki Neko ("Beckoning Cat") sculptures.

The Irwins take action when a croc becomes ill.

Gators must be removed from a water station so divers can safely go make repairs; Tre's shocking new trick may be his last.

Paul struggles to keep up with calls when Ashley leaves to work with tigers and Jimmy takes time off for the restaurant.

Jackson takes the show on the road, literally. In order to save the lives of 50 kittens from LA shelters, the Cat Daddy high-tails 50 orphan kittens in need of a home all the way to his old stomping grounds of Boulder, CO.

Jackson experiences a severe, and most illuminating, cat attack at the claws of a troubled cat named May; the Cat Daddy must help a nervous cat guardian move her two very feral cats to Canada.

Newlyweds from New Jersey come looking for a new family member; Tia rescues an injured stray that the community has been trying to help; with his family back home in Virginia, longtime parolee Sui faces a tough decision.

Tia suffers a devastating injury and her children must step up to keep Villalobos running; her family's strength becomes tested like never before as, for the first time, Tia's kids must manage the parolees, rescues and adoptions on their own.

Jeremy Wade sets out for South America to find a monster.

In a remote corner of Argentina, Jeremy Wade investigates the death of a young girl.

Jeremy Wade is in Brazil, searching for a river monster that has killed three cowboys.

Jeremy fishes in the Alaskan wilderness and searches for a lake monster of native legend.

Jeremy Wade journeys up the Congo River in search of the goliath tiger fish.

Jeremy swims into the lair of the snakehead, a predatory freshwater fish with a killer reputation.

Jeremy explores the legends and mystery surrounding the Congo River in central Africa.

Jeremy travels to South Africa to catch a bull shark lurking in freshwater locales.

Jeremy Wade ventures to Africa's Rift Valley to explore the roots of fishing and the monsters the first fishermen faced; a dangerous place, the valley hosts killer crocs, hippos and warring gangs, but also a worthy prize: the Mputa, aka Nile Perch.

Jeremy swims into the lair of the snakehead, a predatory freshwater fish with a killer reputation.

Jeremy explores the legends and mystery surrounding the Congo River in central Africa.

Jeremy travels to South Africa to catch a bull shark lurking in freshwater locales.

Jeremy Wade ventures to Africa's Rift Valley to explore the roots of fishing and the monsters the first fishermen faced; a dangerous place, the valley hosts killer crocs, hippos and warring gangs, but also a worthy prize: the Mputa, aka Nile Perch.

In a remote corner of Argentina, Jeremy Wade investigates the death of a young girl.

Jeremy Wade is in Brazil, searching for a river monster that has killed three cowboys.

Oreo the tiny tuxedo kitten meets a smelly look-alike; Russian Blue siblings go on an adventure; Freckles the Ocicat tries to control five little jungle cats.

A pit bull puppy learns to walk; Chinese crested puppies investigate a turtle; a newborn collie overcomes her shyness.

The zoo welcomes four Sumatran elephants; Robert and Terri try to guess the gender of Bindi's baby, but Bindi and Chandler have their own surprise in store.

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

An eager 12-year-old volunteer wants to help but may slow things down; Paul needs to get a gator immediate surgery; Jimmy and Tre go after a gator in a muddy pool.

Jackson works with a couple with a blind cat suffering from living in a chaotic environment; a Jekyll-and-Hyde-esque cat named Jude acts friendly during the day, but becomes a nightmare at night.

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

When Tia receives an adoption email unlike any she's seen before, she makes a cross-country trip to find a dog a special home in time for Christmas; the kids' significant others band together to give the family an unforgettable present.

When a dog that was adopted out mysteriously appears in a shelter in Mississippi, Tania and Earl head to the rescue; parolee Joe must separate two stray dogs fighting outside the shelter, leaving him shaken; hound dog adoption doesn't go as planned.

Jordan Carbery is investigating a noise outside his cabin and encounters a massive grizzly bear; Zanele Fox and her husband take a river tour when she is thrown from her raft and ravaged by a crocodile.

While vacationing in South Africa, Peter Knottenbelt suddenly finds himself in the jaws of a massive crocodile; in Nova Scotia, Meg Doyle is walking her beloved dog when they're suddenly ambushed by a pair of angry raccoons.

Bob Legasa is hunting in Montana and what he thinks is a bluff charge from a grizzly bear is, in fact, a near-lethal attack; while canoeing in Zimbabwe, Kristen Yaldor is thrown into the water and finds herself in the jaws of a hippopotamus.

On a family trip to Pattaya, Thailand, Helen Costigan attends an elephant show when one of the massive beasts turns deadly; golf ball recovery specialist Scott Lahodik is diving in a Florida lake when he's attacked by a vicious alligator.

Outside Corpus Christi, Texas, Jeremy Sutcliffe is working in his garden when a rattlesnake bite puts him on the brink of death; while spearfishing in the Bahamas, Kent Bonde is blindsided by a bull shark that tears the calf muscle from his leg.

High up on an ice-covered Canadian mountain in the middle of the night, a grizzly bear charges professional climber Greg Boswell; in upstate New York, a rabid coyote attacks a retired nurse.

While hiking in Alaska, Catherine Dwinnell encounters a 1,000-pound moose that strikes her from behind; in Hawaii, Tony Lee swims a half-mile from shore when something grabs him and drags him below the surface.

Sandy Prince is swimming in an African river when she's attacked by a massive crocodile; mountain-biking in Washington State, Phil Anderson comes face to face with a hungry cougar.

During an archery hunt in Cranbrook, British Columbia, Chad Dueck comes face-to-face with a mother grizzly bear; in Tracy, Calif., Walt Dean King is savagely attacked by a Brahma Bull roaming his neighborhood.

High up on an ice-covered Canadian mountain in the middle of the night, a grizzly bear charges professional climber Greg Boswell; in upstate New York, a rabid coyote attacks a retired nurse.

While hiking in Alaska, Catherine Dwinnell encounters a 1,000-pound moose that strikes her from behind; in Hawaii, Tony Lee swims a half-mile from shore when something grabs him and drags him below the surface.

Sandy Prince is swimming in an African river when she's attacked by a massive crocodile; mountain-biking in Washington State, Phil Anderson comes face to face with a hungry cougar.

During an archery hunt in Cranbrook, British Columbia, Chad Dueck comes face-to-face with a mother grizzly bear; in Tracy, Calif., Walt Dean King is savagely attacked by a Brahma Bull roaming his neighborhood.

While vacationing in South Africa, Peter Knottenbelt suddenly finds himself in the jaws of a massive crocodile; in Nova Scotia, Meg Doyle is walking her beloved dog when they're suddenly ambushed by a pair of angry raccoons.

Bob Legasa is hunting in Montana and what he thinks is a bluff charge from a grizzly bear is, in fact, a near-lethal attack; while canoeing in Zimbabwe, Kristen Yaldor is thrown into the water and finds herself in the jaws of a hippopotamus.

A peppy aunt coaxes a Cavalier King Charles spaniel out of her shell; Alaskan malamutes compete to be top dog; three fire-station Dalmatians display their skills.

Nanook, a shy Chinook, is the only boy in a litter of four and is training to be a sled dog; Rocky the Labradoodle and his brother Stanley grow up poolside.

While pregnant, Bindi continues to work at the Wildlife Hospital.

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

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.

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 young man with a genuine fear of cats; The Cat Daddy returns to Colorado to keep his favorite kitten from the kitten rescue road trip in her adoptive home; Jackson teaches a boy he met at the adoption event how to clicker train kittens.

Earl returns from rehab, hoping to rebuild his life working with the dogs; a couple comes looking for a dog who can handle crowded streets of NYC; Lizzy rescues a dog after a confrontation with the owner who abandoned it.

A woman travels all the way from San Diego to give one of Villalobos' senior dogs a chance at a home; Lizzy and Marcel search for a mama dog's lost puppies out in the country; a new parolee makes a helpful discovery on his first day.

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

Pete builds a triple-decker treehouse with a bedroom, kitchen, bathroom and more, inspired by Frank Lloyd Wright, on the shores of Kentucky's Lake Barkley.

Pete and his crew reminisce about their adventures and answer questions from fans.

Surrounded by fields of red poppies and intertwined within a giant live oak, Pete creates a dining room tree house with a Provence countryside feel as part of a French restaurant.

Pete constructs a tasting room, high above the apple orchards, for Walden, N.Y., hard cider company Angry Orchard.

Busy film industry clients in Fayetteville, Ga. request a treehouse on their exuberant 63-acre plot of land, inspired by mid-century architecture and equipped with a zip line; Pete swings by the treehouse of Dale Earnhart Jr.

Pete builds a half spaceship, half horseshoe crab, zinc-wrapped treehouse at state-of-the-art kids camp, Camp Southern Ground, at the request of country music superstar Zac Brown.

Pete hands the reins over to Roderick for the next build; a spiral staircase wrapped in branches, a hexagonal tower with elegant stained-glass windows and a 360 degree observation platform.

Pete's son Charlie oversees the latest project, which happens to be a live-in Washington resort and spa, home base for himself on 23 acres of forest.

Busy film industry clients in Fayetteville, Ga. request a treehouse on their exuberant 63-acre plot of land, inspired by mid-century architecture and equipped with a zip line; Pete swings by the treehouse of Dale Earnhart Jr.

Pete builds a half spaceship, half horseshoe crab, zinc-wrapped treehouse at state-of-the-art kids camp, Camp Southern Ground, at the request of country music superstar Zac Brown.

Pete hands the reins over to Roderick for the next build; a spiral staircase wrapped in branches, a hexagonal tower with elegant stained-glass windows and a 360 degree observation platform.

Pete's son Charlie oversees the latest project, which happens to be a live-in Washington resort and spa, home base for himself on 23 acres of forest.

Pete builds a triple-decker treehouse with a bedroom, kitchen, bathroom and more, inspired by Frank Lloyd Wright, on the shores of Kentucky's Lake Barkley.

Pete and his crew reminisce about their adventures and answer questions from fans.

A 150-foot long super snake known as the Yacumama attacks and kills people in Peru; the villagers fear it so much they try to blow up the creature with dynamite.

Investigating a bigfoot-like creature with superhuman strength reported in the foothills of the Andes; Mungo hears chilling yet conflicting stories on the Ucumar: some believe the creature is a bear, while others think it's more of a yeti.

Questions are answered about the French bulldog, poodle, airedale, chihuahua and Labrador.

A dog's eye view of the bond shared by people and their pets.

Traits of the Jack Russell, golden retriever, Pembroke corgi, vizsla and German shepherd.

A gorilla must undergo a critical root canal to fix its tooth problem; a red-crested turaco chick fledges the nest; a pair of puma cubs travel to their new home at the Queens Zoo.

When Matthew the feisty camel develops a tooth issue, the zoo staff is determined to treat him; Ivy the babirusa is expecting for the very first time; one keeper builds a bond with a Magellanic penguin chick reluctant to be hand-fed.

Howie the rescued wallaby is ready to be relocated to Arizona, where he will meet his new mob and potential mates; red river hogs Hampton and Athena are paired for breeding; little penguin Jaffa must undergo eye surgery to restore his vision.

When Kip the young silver langur falls ill, he must be nursed back to health; Cora, the white-naped crane chick, is relocated and introduced to her potential mate; giraffes Jigsaw and Zizi are paired for breeding.

Dr. Blue flies into action when a rottweiler in labor gets rushed into the hospital with two puppies stuck inside her; the three vets grab the reins and their cowboy hats to ride horseback into town for Houston's biggest rodeo parade.

The doctors visit their alma mater for a class reunion and become professors for a day; a shih tzu is rushed to the clinic after swallowing a large piece of rawhide, while the owner of a pit bull with a deformed leg must consider drastic surgery.

The doctors are honored for their contributions to the community; a goat with a twisted leg; a Great Dane with a life-threatening condition; a bulldog is rescued from a puppy mill.

Dr. Jeff makes a shocking discovery when a rescued street pup named Kova comes in with a severely injured leg; little Fonda needs to find a forever home after being thrown from a car; Dr. Jeff builds his beloved dog, Fred, his very own swimming pool.

Dr. Jeff tackles challenging surgeries on a pit bull with a broken leg and a feisty kitten's torn lower lip; Dr. Amy treats a dog that's acting sickly after a camping trip; Dr. Don handles a bladder stone removal on vet tech Christine's family pet.

Dr. Jeff comes to the rescue of an injured raccoon found in an illegal trap; Dr. Jeff is thrown by a medical mystery when Gordo the chihuahua comes in with a fever; Bob the black lab suffers a deep wound after protecting his owner.

Dr. Jeff attempts to diagnose a dog's devastating mystery illness; vet tech Hector's daughter is tasked with caring for a mother dog and her seven pups; Dr. Baier volunteers to help find new homes for rescued rabbits.

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 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.

Dr. Jeff comes to the rescue of an injured raccoon found in an illegal trap; Dr. Jeff is thrown by a medical mystery when Gordo the chihuahua comes in with a fever; Bob the black lab suffers a deep wound after protecting his owner.

Dr. Jeff attempts to diagnose a dog's devastating mystery illness; vet tech Hector's daughter is tasked with caring for a mother dog and her seven pups; Dr. Baier volunteers to help find new homes for rescued rabbits.

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 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.

The doctors visit their alma mater for a class reunion and become professors for a day; a shih tzu is rushed to the clinic after swallowing a large piece of rawhide, while the owner of a pit bull with a deformed leg must consider drastic surgery.

The doctors are honored for their contributions to the community; a goat with a twisted leg; a Great Dane with a life-threatening condition; a bulldog is rescued from a puppy mill.

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.

A feisty gator in Galveston County needs a new home; shrimpers try to conceal their catch; a family's property is damaged by stray bullets; the wardens stage a boat crash.

In Liberty County, the death of a deer is investigated; fawns in Harris County are being illegally kept as pets; patrol on Somerville Lake leads to multiple citations; a suspicious car is stopped in Red River County.

A running deer must be caught before it hurts itself; the game wardens investigate an impersonation case in which a man claims to be one of their own; Richards comes across a suspicious group while he is patrolling Lake Tawakoni.

A festival attracts thousands of people to float the San Marcos River; a patrol on Lake Texoma leads to multiple arrests; a fisherman can't provide identification.

Hunt County residents are concerned about alleged wolves being kept as pets; rehabilitated turtles are released on the high seas; wild donkeys are under threat in West Texas.

It's snapper season on the Gulf and the game wardens catching fishermen who are breaking the law; two men are investigated for cruelty to a wild pig; a jet ski collision leads to arguments; an exotic tortoise finds a new home.

It's summertime in Texas and the game wardens handle a speeding jet ski, drunk boaters, angry campers and a rowdy raccoon.

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.

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.

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.

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.

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

Officers patrol elk hunters and regulate the elk population, teach outdoor skills to kids at a pocket park, enforce traffic laws and monitor ice fishing activity and ice conditions.

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

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 patrol archery and firearm deer seasons, monitor ORV use, tag suburban ducks, and investigate a buck shot during a coyote hunt, while hunters donate venison to help those in need. Follow Michigan Conservation Officers as they protect and patrol the most precious natural resources in one of the nation's most remote areas.

Officers patrol elk hunters and regulate the elk population, teach outdoor skills to kids at a pocket park, enforce traffic laws and monitor ice fishing activity and ice conditions.

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

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 patrol archery and firearm deer seasons, monitor ORV use, tag suburban ducks, and investigate a buck shot during a coyote hunt, while hunters donate venison to help those in need. Follow Michigan Conservation Officers as they protect and patrol the most precious natural resources in one of the nation's most remote areas.

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.

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.

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.

Robert gets in the water with Gloria, a 12-foot reticulated python, to swim alongside her for the first time in the Crocoseum; Bindi welcomes home two orphaned kangaroo joeys; Terri helps release a rescued wedge-tailed eagle back into the wild.

Paul and Jimmy capture a monster-sized gator; an alligator fights to protect her young.

Paul and Scott must fend for themselves when Jimmy makes an adventurous trip to South Carolina.

Reality star Adrianne Curry and her boyfriend, Todd are living with Adrianne's menacing Siamese cat, Billy Shears; a college student feels like she is being held prisoner by her bloodthirsty feline, Storm.

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 and her rescue team land in a dangerous situation when an anonymous tip leads them toward a dog-fighting ring; one lucky pit bull awaits permission to enter a new home.

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.

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.

Robert feeds 44 hungry alligators, all at the same time; Terri helps examine Kaitlyn the tiger and makes a thrilling discovery; Bindi follows the heartbreaking story of her old friend, Zambezi the zebra.

Carrying three baby kangaroos and an emu, the Irwins caravan into the Australian Outback to release the animals on Mourachan, their giant wildlife conservation property; plans shift when they discover more animals in need of rescue along the way.

Bindi swims alongside whale sharks, assisting with research efforts on the world's largest and least understood fish; Robert works to save an echidna that's tightly trapped under a fridge; Terri joins a close-up exam on a grizzly.

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.