After weeks of being closed due to the global pandemic, the Irwins race to prepare for the reopening of the zoo; Robert helps deliver a litter of newborn tiger cubs, while Bindi handles a sudden crisis at the wildlife hospital.

Bindi and the family plan an emotional surprise for Terri in the Crocoseum; Robert helps the zoo's three new adorable tiger cubs.

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

Jenna and Sean are joined by resident elephants and a meerkat in an experiment - using the animals' sense of smell to discover whether the African puff adder, one of the world's deadliest predators, is truly odorless.

After weeks of being closed due to the global pandemic, the Irwins race to prepare for the reopening of the zoo; Robert helps deliver a litter of newborn tiger cubs, while Bindi handles a sudden crisis at the wildlife hospital.

Bindi and the family plan an emotional surprise for Terri in the Crocoseum; Robert helps the zoo's three new adorable tiger cubs.

Ventriloquist Jeff Dunham wants ATM to build a theater-themed tank with a submerged working chandelier, starring his characters Peanut, Walter and Achmed.

Wayde and Brett are challenged by a Southern California resort to build a tank inside the trunk of an oak tree; a Halloween store wants a coffin aquarium.

Dino the dog's anxiety level has the owner sacrificing her own mental health treatments; another dog, Dexter, is becoming increasingly nippy and confused; the final push at Bin City needs to reap big rewards.

Treating their dog's allergy plunges a young couple deep into debt; a hognose snake is reluctant to eat; early plans for a dog sanctuary are riding on a successful, well attended auction.

The African penguin colony greets its newest additions after a successful mating season; sea otter Mara is presented to the rest of the raft, and the bottlenose dolphin population in Florida is examined.

The team is eager to open their new alligator exhibit featuring rare albino gators; sea otter Gibson is tested for a possible infection; divers must swim with Taroko the whale shark to get a blood sample.

Deep in the jungles of Madagascar, Bradley and Billy discover a creature unlike anything else on Earth: the tomato frog; in their mobile lab they discover the frog's astonishing abilities, from a toxic force field to a self-inflating body.

Bradley and Billy track down and test the abilities of the armadillo girdled lizard, a heavily armored omnivore with a serious bite, when threatened, this micro dragon curls up into a spiky ball reminiscent of a medieval mace.

A couple expecting their first child fear that their fairytale life will be derailed due to behavior of their aggressive cat; a woman contemplates becoming an animal behaviorist because of her two terrorizing felines.

A little girl's cat Moose has suddenly become territorial and her parent's are desperate for Jackson to change his ways; a couple have adopted Kimba, a rambunctious feline who has terrorized the home since day one.

Tia's son, Kanani, and his fiancée, M2, prepare for their wedding; parolee Jammall finds an abandoned dog and asks Mariah for help rescuing it; a woman and her son visit Villalobos hoping to find a new friend for their family dog.

Villalobos celebrates Halloween by throwing a costume party for dogs to help raise money for the rescue; an old friend from the TV crew comes to adopt a family member; Lizzy struggles to rescue a stray dog in the middle of the night.

Paul and Jimmy encounter unusually large and ferocious gators; Tre buys a metal detector and soon gets carried away with his hunts for buried treasure.

The boys make a capture on a golf course; a teen who lost an arm in an alligator attack hopes to overcome his fear of the creatures; Scott seeks revenge on Ashley.

Gator wrestlers reunite at Native Village, where Paul encounters a 14-foot, 1,500-pound nemesis; Jimmy is reminded of the death of his friend and mentor, Michael "Skeet" Johns.

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.

The boys dress up in medieval costumes and hunt for an alligator on the grounds of a Renaissance fair; Tre decides to become a professional artist like Ashley.

Paul and Ashley train Kayla to become an alligator wrestler; Jimmy and the volunteers square off against a 17-foot crocodile at a new park in Tampa.

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.

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

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.

Paul and Ashley train Kayla to become an alligator wrestler; Jimmy and the volunteers square off against a 17-foot crocodile at a new park in Tampa.

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.

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

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.

The boys make a capture on a golf course; a teen who lost an arm in an alligator attack hopes to overcome his fear of the creatures; Scott seeks revenge on Ashley.

Gator wrestlers reunite at Native Village, where Paul encounters a 14-foot, 1,500-pound nemesis; Jimmy is reminded of the death of his friend and mentor, Michael "Skeet" Johns.

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.

A look at why a raccoon would scale a 25-story skyscraper, why one mother duck would have a super-sized flock of 76 ducklings, and what would motivate a bird to feed a school of fish.

A look at the possibility that zombie spiders are real and why would a pod of beluga whales adopt a unicorn of the sea.

A look at how spiders covered a town in webs overnight and why a lake in South America is the lightning capital of the world.

A look at how a bird could sing without using its voice and how an octopus could simply disappear from his aquarium tank.

A look at what could make an animal vanish into thin air, what could cause the sea to take on an eerie glow, and what event would bring killer whales together in huge numbers.

A look at if fish really can predict earthquakes and why eggs are egg shaped.

A couple has joined the lives of their two felines and are finding it difficult to live in peace due to all the fighting; a woman is at the end of her rope when her cat refuses to use her litter box.

A couple's show cat named Snickers has become tormented by the lifestyle and is aggressive towards the judges; Dexter's constant meowing has put his owner over the edge and is desperate for a resolution.

Tia, her children and the extended Villalobos family reveal behind-the-scenes stories about the dogs that stole their hearts over the years.

Mariah faces a challenging rescue when she realizes the dog in danger is deaf; former adopters come back to Villalobos set on adopting a special-needs dog; the rescue struggles to track a dog's owner because of outdated microchip information.

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.

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.

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

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 family tries to have an entity banished from its home, but it won't leave peacefully.

A family hears unexplained growls and voices in its home.

A family fears that their home is inhabited by past residents.

Employees of an inn begin reporting odd activity around room 12.

A family tries to have an entity banished from its home, but it won't leave peacefully.

A family hears unexplained growls and voices in its home.

A family fears that their home is inhabited by past residents.

Employees of an inn begin reporting odd activity around room 12.

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.

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

Julia must be careful when dealing with a giant python in a living room. Together with her husband John, she does everything she can to catch a snake hidden in the air conditioning box. And, a python has taken shelter under a family's garage roof.

When a venomous snake is found hiding in a kindergarten, Julia has to act quickly so that no child is harmed; a customer has spotted an eastern brown snake on his property, the second most venomous snake in the world.

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.

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.

Tracking chimpanzees through the Rwandan forest with Max, who tries to convince these powerful monkeys that he's a friend, not a foe; key tips on jungle dining and witnessing complex family dynamics, including grooming and socializing.

Pete journeys to the pine-forested splendor of Scandinavia to explore Norway's magical TreeTop Hotel and Sweden's floating Treehotel, with tree homes suspended by cables and accessed only by retractable ladders.

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

Pete builds an outside-in tree house and installs a sauna in the trees.

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.

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.

When asked in 2016 what she would do with her winnings, "America's Got Talent" Season 11 winner Grace Vanderwaal said she wanted a tree house built by Pete Nelson; the 13-year-old singer-songwriter's wish comes true.

A canine's strange appetite delivers a stomach full of surprises; a cat with hair-ific taste leads to a marathon recovery mission; Dr. G's son, Ben, joins him for an action-packed summer.

A Bernese Mountain Dog suspected of scarfing an unmentionable feast is a potential record-breaking challenge for Dr. G; a feline rushed to a clinic after a close encounter with a sewing kit sparks a race against the clock to save a family from loss.

A tuxedo cat takes playtime too far, pitting Dr. G against a life-threatening foreign body; a barbeque season corn-undrum lands a Golden Retriever in urgent care.

Rocky, a mixed-breed canine suspected of scarfing a purse, deals Dr. G unexpected side dishes; a puppy with a troubled tummy is a head-scratching case from beginning to end.

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

When a Golden Retriever's tastes go off the beaten track Dr. G's skills must be rock-solid; Captain the three-legged cat's appetite proves to be as unique as his form; Dr. G's furry family brings a special inspiration to his work and life.

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.

A large horse may have a deadly problem within; spunky miniature horse is treated; Dr. Dee teaches castration to a new pig farmer; Dr. Terry returns to Fairbanks with a surrendered dog.

A tuxedo cat takes playtime too far, pitting Dr. G against a life-threatening foreign body; a barbeque season corn-undrum lands a Golden Retriever in urgent care.

Rocky, a mixed-breed canine suspected of scarfing a purse, deals Dr. G unexpected side dishes; a puppy with a troubled tummy is a head-scratching case from beginning to end.

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

When a Golden Retriever's tastes go off the beaten track Dr. G's skills must be rock-solid; Captain the three-legged cat's appetite proves to be as unique as his form; Dr. G's furry family brings a special inspiration to his work and life.

Sign off.

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.

A large horse may have a deadly problem within; spunky miniature horse is treated; Dr. Dee teaches castration to a new pig farmer; Dr. Terry returns to Fairbanks with a surrendered dog.

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.

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.

Julia and her snake catcher colleague David head to Airlie Beach to catch two venomous snakes. And, an eastern brown snake, the second most dangerous land snake in the world, has crawled into a garage and needs to be caught as quickly as possible.

Julia and her snake catcher colleague, Stuart McKenzie, deal with a large python hanging in a treetop. A mother discovers a snake while playing hide and seek with her children. Plus, Julia has acquired a tarantula as a new pet to overcome her fears.

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

Officers use a deer decoy to catch trespassers, seize illegally imported deer at the border during the busy hunting season, and patrol lakes to ensure safe boating practices. 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 the Detroit River during walleye season, seizing undersized fish and citing unlicensed anglers; officers check waterfowl hunters and make a late-night stop.

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

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

Officers safeguard waterfowl, patrol ice fishers and snowmobilers; they also monitor off-road vehicle activity; the Department of Natural Resources relocates a historic lakeside building from an eroding bluff.

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.

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 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.

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.

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

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

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

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.

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

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.

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.

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 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.

Combing through Californian scrubland, the team locates a rugged insect with a secret weapon: the bombardier beetle, armed with a toxic, boiling fart, the tiny bombardier beetle is nature's ultimate chemical weapon.

In the Madagascan rainforest, the team searches for a nearly invisible creature called the panther chameleon; when they test the reptile, its incredible 360-degree vision, phenomenal grip strength and deadly tongue strike are all deadly.

A couple's plan to move in together could be derailed due to the destructive behavior of Pink, the cat; a couple has been pushed to their limit because of the terrorizing ways of their demonic cat, Zooey.

Due to the demonic behavior of Max, a family's bond is ripping at the seams; Capri's aggressive tendencies are draining her owner's new roommate. Unfortunately, if nothing changes she will be evicted.

As a hurricane bears down on VRC, Tia and the crew race to get dogs to safety; Mariah takes the reins for her first solo wolfdog rescue; Lizzy and Earl help a music-loving Kentucky couple find the perfect dog to join their karaoke nights.

M2 leaps into action to save a dog roaming the cane fields before it runs afoul of harvest machinery; Tia and Earl help match veteran adopter Kim with a senior dog; Toney and Emily make every day count for hospice dog Chester.

Jeremy Wade encounters the Amazon's legendary arapaima, one of the largest freshwater fishes in the world.

Jeremy tracks down eyewitnesses and survivors of piranha attacks, uncovering the fear behind the man-eater.

Wade travels to Germany, where he meets victims of a beast seen raising its snout above the surface of freshwaters in Europe for the past 700 years; discovering the Wels catfish, an aggressive predator of man-eating proportions.

Rookie vet Dr. Amy is challenged when fat cat, Chubbs, needs immediate facial surgery; Labrador's backside is peppered with buckshot; a runaway dog gets horribly torn up in a chain-link fence; husky puppy fractures her leg by falling out of bed.

Dr. Jeff and his team help a homeless man's 5-month-old puppy that has a broken paw; x-rays reveal one of the worst cases of bladder stones in a dog the staff have ever seen.

A golden retriever with a broken leg is rushed into the clinic by his devastated owner; Dr. Jeff and his team treat a beagle after a vicious dog attack.

Kidney disease plagues an overweight cat; dog gets hit by a car while the owners are overseas.

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

When a Golden Retriever's tastes go off the beaten track Dr. G's skills must be rock-solid; Captain the three-legged cat's appetite proves to be as unique as his form; Dr. G's furry family brings a special inspiration to his work and life.

Dog found tied to a fence needs emergency leg surgery; clinic staff hosts fun run for animals in need; Pomeranian receives the present of a forever home.

A golden retriever with a broken leg is rushed into the clinic by his devastated owner; Dr. Jeff and his team treat a beagle after a vicious dog attack.

Kidney disease plagues an overweight cat; dog gets hit by a car while the owners are overseas.

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

When a Golden Retriever's tastes go off the beaten track Dr. G's skills must be rock-solid; Captain the three-legged cat's appetite proves to be as unique as his form; Dr. G's furry family brings a special inspiration to his work and life.

Dog found tied to a fence needs emergency leg surgery; clinic staff hosts fun run for animals in need; Pomeranian receives the present of a forever home.

Jeremy tracks down eyewitnesses and survivors of piranha attacks, uncovering the fear behind the man-eater.

Wade travels to Germany, where he meets victims of a beast seen raising its snout above the surface of freshwaters in Europe for the past 700 years; discovering the Wels catfish, an aggressive predator of man-eating proportions.

The Thrift Store crew is left shocked by the aftermath of the accident as donations flood in; Allison takes home a patient to make sure he doesn't take a turn for the worse.

Dr. Schwartz is on a mission to hunt down the remains of a tin can that lies within the intestines of an anxious-ridden Labradoodle.

A tomistoma, a freshwater crocodilian, stops laying eggs and a team of keepers scrambles to treat her; the veterinary team has to rescue a baby antelope that isn't getting the care it needs from its mother; Mert the Goose takes a field trip.

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.

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

Bradley and Billy discover that the Yucatan thorn forest is the ideal home for the spiny-tailed iguana, but a perilous place for humans; the toughness of this uber-reptile is proven in the field lab, where its defensive skills are put to the test.

Buddha has put two best friends at odds because he bullies his owner's roommate daily; a couple has reached their breaking point because their cat Dylan has prevented them from sleeping in the same room for four years.

After moving in together, a couple's relationship is put to the test when their two cats don't hit it off; another couple's new home has become her cats' own personal litter box.

Tia and Lizzy answer a distress call from a Mississippi shelter and take on eight dogs in desperate condition; M2 holds down the fort at VRC while juggling life as a mom of two; Mariah finds the perfect home for her special-needs foster dog Rant.

Tia interviews a woman with a deadly past, who could become VRC's first-ever female parolee; Lizzy and Heidi save a tiny dog from the train tracks; veteran adopters Edie and Dennis return to Villalobos seeking their next senior canine.

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

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.

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.

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

Michigan's firearm deer season kicks off, marking the busiest patrol time for conservation officers; in the days leading up, they search for violators using illegal deer shining tactics, ensuring a fair and legal hunt across the state.

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

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.

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.

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.

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

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.

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.

A routine neutering takes a turn when Dr. Vasilescu can't find a canine's testicles; Letty the Burmese sheepdog pup struggles with excessive sleep.

A friendly neighborhood pooch comes into RAPS when experiencing eye trouble; the thrift store gets a second chance as Karen and the team discover an oasis of treasure amid old bins destined for the landfill.

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 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.

The team heads to Madagascar to study the recently discovered Goodman's mouse lemur, one of the smallest primates on the planet; this velvet pinball makes up for its tiny size with incredible agility, breakneck speed, and startling ferocity.

Bradley and Billy hunt for dragons deep in the rainforests of Thailand; the team hopes to discover how this lizard's ability to glide has enabled it to dominate its environment for 250 million years.

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.

For an adopter, a dog rescued from the cane fields seems heaven-sent.

As the new VRC location nears completion, Tia and the team prep to welcome the public for a volunteer day; an Ohio couple feels a powerful connection with deaf dog Ben; Mariah draws on her passion for motorcycles to honor her beloved pit bull Tater.

A Las Vegas wedding business wants a tank that reflects the city's early flavor; the team struggles to install a giant tank in a new student common area at Saint Leo University.

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

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

Harriet is called out to an emergency operation on an elephant whose leg has been wounded; volunteer Debbie is put to the test as nine orphaned baby monkeys arrive at once, and Emma becomes surrogate mother to three-week-old baby hippo Hector.

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

Jenna and Sean are joined by resident elephants and a meerkat in an experiment - using the animals' sense of smell to discover whether the African puff adder, one of the world's deadliest predators, is truly odorless.

Emily anesthetizes a cheetah; Will bonds with rhino orphan Arthur; Emma has her hands full with a troop of mongooses.

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.

Complications arise after the birth of Talbert the giraffe; Robert rescues a black swan entangled in fishing line; Bindi and Chandler plan for Kingston the rhino's first birthday.

Jenna and Sean are joined by resident elephants and a meerkat in an experiment - using the animals' sense of smell to discover whether the African puff adder, one of the world's deadliest predators, is truly odorless.

Emily anesthetizes a cheetah; Will bonds with rhino orphan Arthur; Emma has her hands full with a troop of mongooses.

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.

Complications arise after the birth of Talbert the giraffe; Robert rescues a black swan entangled in fishing line; Bindi and Chandler plan for Kingston the rhino's first birthday.

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

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

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.

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.

Zoo staff make the journey to east Africa to return to the wild thousands of toads they helped rescue from extinction; Utu, the test-pilot giraffe, tries out a new piece of equipment; the bird department works to save the lives of millions of birds.

Built like a tank, and twice as tough, the rhinoceros beetle is a menacing micro-machine with one of the highest strength to bodyweight ratios on the planet; the team is in Thailand to put the legendary strength of this beefy beetle.

In Thailand, Billy and Bradley track down one of the few venomous mammals in the world. Like lightning in a bottle, the Thai musk shrew is a force to be reckoned with. The team will test its bite force, incredible agility and venom production.

Jackson revisits clients from the first four seasons of the show to see how they and their cats are doing, and also checks back on one of his toughest cases.

Jackson Galaxy is in Austin, Texas, to help a professional skydiver with two high-flying Savannah cats, Morello and Darwin; a couple's Maine coon cat, Wolfie, is pooping all over the house and covering it up with their stuff.

A mother and son travel from Boston with hopes of adopting a dog, but Tia struggles to find a good fit for the family; Lizzy rescues a maggot-covered dog that was found lying on the road and races to the vet, hoping to save it.

Villalobos' oldest resident, Summer, a pit with severe arthritis, has a chance at a forever home; Earl works to improve a dog's social skills, hoping to make him more adoptable; Kanani's girlfriend, M2, takes on her first rescue.

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.

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

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.

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

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

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.

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

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.

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.

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

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.

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

Dog's eye view of the Newfoundland, bichon frise, dachshund, beagle and boxer.

A look at why a skunk would do a handstand, why 5,000 birds fell from the sky in Arkansas, and what would make a frog flash like a lighthouse.

A look at the possibility that zombie spiders are real and why would a pod of beluga whales adopt a unicorn of the sea.

A look at why a humpback whale would hold a diver hostage, how a colony of 1.5 million animals hide from the world in plain sight, and how a surprising stash of acorns could disrupt a whole town.

A look at how spiders covered a town in webs overnight and why a lake in South America is the lightning capital of the world.

A look at how a bird could sing without using its voice and how an octopus could simply disappear from his aquarium tank.

A look at what animals are breaking into thousands of cars every year, how ants form a ten-foot bridge using only their bodies, and why did the fish cross the road.

A couple is at odds over their vicious cat Coco who attacks at every opportunity; Foley, a cat with night terrors is driving a wedge between his newlywed owners.

A ferocious black feline terrorizes her owner's with frequent surprise attacks that the local urgent care doctor knows them by name; a couple is desperate for Jackson's help to end their cat's litter box strike.

A new inmate from starts working at VRC, hoping to fill the big shoes that Country Matt left behind; Lizzy and Joe struggle to catch a stray in a nearby neighborhood; A family comes to Villalobos to adopt a dog, hoping to fill a void in their hearts.

A couple from New Jersey fall in love with an adorable canine, but the adoption is put on the line when Dr. Kristen discovers a heart murmur; Tia ventures to the swamps to rescue a dog in desperate need of medical attention.

Forrest is in Mozambique to track down a bull elephant that has been destroying local villages.

Rumors of witchcraft bring Forrest to Africa's Zambezi River, the site of crocodile attacks plaguing a local fishing village; he and his childhood friend are determined to stop the killings and save the croc before things turn even more deadly.

Forrest travels to the pacific northwest with zoologist and wife Jessica on a mission to uncover the truth about the centuries-old myth of the lake monster.

Forrest tracks clues and eyewitness accounts suggesting that the Formosan clouded leopard is still alive after being declared extinct; he treks deep into the jungles of Taiwan where a run-in with a predator might just solve a mystery.

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.

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.

Madagascar's Pachylemurs were red, furry giants, nearly the size of great apes; recently discovered remains disprove that they went extinct 1,000 years ago; Forrest tries to prove the giant species still lives.

Forrest travels to the Faroe Islands to look for any trace of the great auk; his passionate search for a large flightless seabird takes him through some of the most scenic and rugged terrain he's ever seen.

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.

Madagascar's Pachylemurs were red, furry giants, nearly the size of great apes; recently discovered remains disprove that they went extinct 1,000 years ago; Forrest tries to prove the giant species still lives.

Forrest travels to the Faroe Islands to look for any trace of the great auk; his passionate search for a large flightless seabird takes him through some of the most scenic and rugged terrain he's ever seen.

Rumors of witchcraft bring Forrest to Africa's Zambezi River, the site of crocodile attacks plaguing a local fishing village; he and his childhood friend are determined to stop the killings and save the croc before things turn even more deadly.

Forrest travels to the pacific northwest with zoologist and wife Jessica on a mission to uncover the truth about the centuries-old myth of the lake monster.

Julia receives a call from a worried family who have discovered a very dangerous eastern brown snake under their patio. Together with two scientists, Julia wants to catch and milk the world's third most venomous snake, the dreaded coastal taipan.

Julia and her husband John must catch the second most venomous land snake in the world in a cramped laundry room. A snake has invaded a dog breeder's garden full of puppies. A woman has discovered a large python in the lake on her property.

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.

Emma looks after Mars the aardvark who demands five-hour walks every night; Josie has her work cut out as an injured vervet monkey is rushed in after being run over; the time has come to dehorn five previously released white rhinos.

Harriet is called out to an emergency operation on an elephant whose leg has been wounded; volunteer Debbie is put to the test as nine orphaned baby monkeys arrive at once, and Emma becomes surrogate mother to three-week-old baby hippo Hector.

A completely new way of looking at the animal kingdom with adventurer, survivalist, and zoology nut Max Djenohan. Max is on a mission. To unlock and mimic the survival skills of some of the most charismatic animals on Earth.

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.

Pete and NTS build a tree house for the For-Mar Nature Preserve just outside Flint, Mich.; the 5-platform nature headquarters serves as a positive addition to a community still reeling from the water crisis that began in 2014.

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

Pete creates an off-the-grid escape that's all about peace, love, and treehouses, man; building a stunning treehouse made from re-purposed materials, while the client, Sarah Jay, adds her own touch - a massive dream net hammock in the trees.

Pete and his gang ride out to the Lone Star State to build a double-decker hideout in Texas Hill Country; Pete creates rustic perfection in six live oak trees with a saloon-style first floor for sippin' sarsaparilla and a glass floor for views below.

Pete is back in Texas to build a sophisticated, sleek-and-chic treehouse in the heart of Dallas; Daryl and the NTS team put treehouse engineering to the ultimate test at Washington State University, proving down-to-the-pound the power of the TAB.

A canine's strange appetite delivers a stomach full of surprises; a cat with hair-ific taste leads to a marathon recovery mission; Dr. G's son, Ben, joins him for an action-packed summer.

A Bernese Mountain Dog suspected of scarfing an unmentionable feast is a potential record-breaking challenge for Dr. G; a feline rushed to a clinic after a close encounter with a sewing kit sparks a race against the clock to save a family from loss.