Lopashanski attempts every trick in the book to wrangle a stubborn moose off of a busy roadway; Officer Canfield plays a game of cat and mouse with a suspected illegal deer hunter; Officer McKee and Demler investigate an illegal turkey kill.

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.

Terri and Bindi witness and help with a complex koala surgery.

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

The boys search for a legendary 15-foot alligator known as Big Bull; Paul and Chris hope to determine if whips or knives make the better accessory.

Former reality star Peggy Tanous is struggling to keep the peace between her cat Shadow and her family. Meanwhile, a couple is desperate for Jackson to change the frisky behavior of their feline, Albert.

When Debbie returns home from a trip, she finds her house covered and smelling like cat pee from her boyfriend, Brian's cat Blinkie, who denies the problem;Krisi may have to choose between marriage to her boyfriend Jason and her cat Frankie.

One of Earl's favorite senior dogs finally has a chance at his forever home; Tia heads to a small shelter in rural Louisiana to help with a hound; Tania, Mariah and Lizzy take on a project that showcases dogs in their forever homes.

Wanting to give the senior dogs a special place, Lizzy, Tania and Mariah create a retirement center at one of the warehouses; Lizzy rescues a dog that has one of the worst skin conditions she has ever seen.

Alison prepares to release an endangered penguin. Emily anesthetizes a cheetah that needs to go to a new home. Will and Rachel at Care for the Wild introduce orphaned baby rhinos Ribbon and Lazuli, whose mums were killed for their horns.

Anna and the team dehorn two rare and dangerous black rhinos; Emma spends months rehabilitating Finya the Black-Backed Jackal for release, but getting her ready to move proves difficult; Jenna and Sean tackle human and elephant conflict.

Partially blind bull elephant Matambu is seriously injured; Harriet and the team are on a race against time to find him; Emily and Annie work with a herd of skittish roan antelope when one bolts and needs to be tracked down.

Jenna and Sean lead forces in vital elephant research; they compare glucose levels in wild elephants with that of similar elephants kept in zoos.

Harriet and the team tackle the problem of human and elephant conflict with an unusual experiment using African honeybees; Alison checks on a colony of Cape fur seals.

Debbie calls on Emma to take in two baby jackals that have been found abandoned. Josie at the Vervet Monkey Foundation introduces orphan Theo to his new foster mom. Vets Emily and Will need to relocate two cheetahs to spread bloodlines.

Emma at Umoya Khulula Wildlife Center has a tiny bush baby that needs round-the-clock care. Jenna and Sean are forced to stop elephant research for the day as a bush fire comes perilously close to destroying their home.

Robert and Indah, a Komodo dragon, participate in an exciting research experiment; Terri tries to save a koala joey with a zero percent chance of survival; Bindi visits friends at childhood favorite spot Oregon Coast Aquarium.

As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend, Chandler; things get dangerous as Robert wrangles gators in thick mud; Terri helps with the momentous birth of a baby white rhino.

Debbie calls on Emma to take in two baby jackals that have been found abandoned. Josie at the Vervet Monkey Foundation introduces orphan Theo to his new foster mom. Vets Emily and Will need to relocate two cheetahs to spread bloodlines.

Emma at Umoya Khulula Wildlife Center has a tiny bush baby that needs round-the-clock care. Jenna and Sean are forced to stop elephant research for the day as a bush fire comes perilously close to destroying their home.

Robert and Indah, a Komodo dragon, participate in an exciting research experiment; Terri tries to save a koala joey with a zero percent chance of survival; Bindi visits friends at childhood favorite spot Oregon Coast Aquarium.

As Bindi celebrates her 21st birthday, she gets a surprise proposal from her boyfriend, Chandler; things get dangerous as Robert wrangles gators in thick mud; Terri helps with the momentous birth of a baby white rhino.

Anna and the team dehorn two rare and dangerous black rhinos; Emma spends months rehabilitating Finya the Black-Backed Jackal for release, but getting her ready to move proves difficult; Jenna and Sean tackle human and elephant conflict.

Partially blind bull elephant Matambu is seriously injured; Harriet and the team are on a race against time to find him; Emily and Annie work with a herd of skittish roan antelope when one bolts and needs to be tracked down.

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

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

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.

Problems with nuisance alligators keep the boys busy; a boy encounters a danger in his pool; Ashley's PR scheme involves Scott dressing in a gator costume.

Paul calls in an expert when Allan and Curtis insist Mississippi alligators are stronger than their counterparts from Florida; Sara feels neglected by Jimmy.

Ambreen has been in an abusive relationship for the past 13 years, but her abuser is her cat, Calvin; Josh has two women in his life--his cat Nico and his girlfriend, who recently moved in with them. But Nico has been anything but welcoming.

A man is tired of living in fear of his girlfriend's cat and vows if things don't change he will move out permanently. Meanwhile, a couple is convinced their feline Woody is the root cause behind their deceased cat's death.

Lizzy tries to track down the owner of a dog tied up outside the rescue; an older couple comes looking for their first dog, but their choice requires some special temperament testing; when a dog develops allergies, Mariah looks for a natural cure.

Two strays lead Lizzy and Villalobos employees on a wild goose chase; a grandmother comes to Villalobos looking for another canine companion, but her dog has other plans; Tania pursues her dream to write a children's book.

In the deep South lives a fish reputed to have committed a series of violent attacks on humans, said to be as vicious as a shark and as big as a gator; extreme angler Jeremy Wade heads to Texas to reveal the truth about the alligator gar.

Jeremy Wade searches for the Amazon's notorious flesh eaters; a man is swallowed whole by a fish.

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.

Jeremy investigates the bull shark.

Jeremy Wade searches for a two-hundred year old legend.

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.

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.

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.

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.

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.

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.

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.

Jeremy Wade searches for the Amazon's notorious flesh eaters; a man is swallowed whole by a fish.

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.

Six Coton de Tulear puppies romp on a farm; a young German shepherd struggles with obedience classes; twin French bulldog pups get in a tussle.

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.

Robert continues his father's legacy as he faces off with Bosco, the most aggressive croc at the zoo; Bindi lends a hand when a koala needs eye surgery.

The boys deal with more nuisance alligators; Tre embarks on a mission to locate a legendary creature that supposedly haunts the bayous of Mississippi.

Paul makes a bid that could bring the Gator Boys back to Everglades Holiday Park; a photo shoot involving alligators takes a dangerous turn.

A woman creates a video as a desperate plea for help to find her ferocious feline a new home; a couple has three cats who viciously attack one another while treating the home as their personal litter box.

A photographer who lives and works out of his home is at risk of losing his business and his assistant because of his bloodthirsty cat; a fat feline's love for food is bound to be his greatest downfall.

Lizzy and Elise struggle to rescue a stray dog on the train tracks near the Villalobos warehouse; Mariah enlists help to get to the bottom of Tater's nagging pain; a senior dog with a long medical history finally has her shot at a forever home.

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.

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

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.

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.

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 and his crew trek to the Blue Ridge Mountains to build a tree house for one of their own, carpenter Mike Reynolds; sitting 16 feet high, it makes the perfect rustic guesthouse to host the raucous Appalachian Breaking Up Christmas tradition.

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

Pete travels through France with tree house visionary Alain Laurens; winding through the magical countryside, Alain shows Pete his structures that implement ingenious engineering, reach dizzying heights, and redefine what a tree house can be.

Pete heads to Alabama's Appalachia to build a super spy treehouse; he pulls out all the stops to make the client's espionage-themed dreams come true; gadgets, hidden passageways, secret rooms and more.

Pete and his crew trek to the Blue Ridge Mountains to build a tree house for one of their own, carpenter Mike Reynolds; sitting 16 feet high, it makes the perfect rustic guesthouse to host the raucous Appalachian Breaking Up Christmas tradition.

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

Sign off.

Pete heads to Alabama's Appalachia to build a super spy treehouse; he pulls out all the stops to make the client's espionage-themed dreams come true; gadgets, hidden passageways, secret rooms and more.

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.

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.

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

PC Bartley reminisces about his first dog, who was killed in action chasing a gang of burglars; sniffer dog Lucy is called into action when a driver is stopped.

Counting down the very best online video clips in the web-o-sphere to find America's cutest cat.

A compilation of pet animals from America, including technologically savvy cats, friendly dogs and more.

Cats cram themselves into tight spots, hang out with unusual friends, and demonstrate their athletic abilities.

One feline has an appetite that's shockingly on the money, while another's taste for stringy oddities appears to be insatiable; while Ben is back home visiting family, an exotic bird with questionable peckishness puts Dr. G out of his comfort zone.

Dr. G gets tied up as he unravels the cause of Ivan the cat's questionable mood; a fellow veterinarian calls for help when her beloved Poodle's cough points to foreign material in an unusual place.

A pet owner who is a nurse gets a front-row seat as Dr. G explores a troublesome appetite; a feline at risk for a dangerous blockage means a high-pressure game of cat and mouse.

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.

A canine's countertop gulp puts Dr. G and Ben on the road to a wholly challenging case; a feline who may have nibbled from a first aid kit presents a dire situation; Ben tries to pull his old school dad into the 21st century with mobile digital gear.

An apparent dog treat turns out to be anything but for Norman the canine; a cat with unexplained symptoms has Dr. G chasing a cause; a suspected foreign body case proves to be more than anyone bargained for.

A Husky has been baited by a dangerous nibble; Dr. G must be precise with a Boston Terrier believed to have troublesome objects in its ear and nose; an exotic animal charity inspires Ben to harness humor for a good cause.

A former stray cat that's believed to have scarfed an unidentified snack means a jagged challenge; a magnetizing situation draws Dr. G in, putting his skill and expertise to the test; Ben hopes to see his dad hit a big career milestone before summer ends.

A dog is rushed to the clinic after being struck by a car; four rats are relinquished to Susan and must be neutered before adoption; a girl rescues kittens in Grand Junction; a pair of lovable Yorkies come in with knee issues.

The cause of a senior dog's lump; a cat named Tigger is monitored for unusual eating habits; a puppy that was bought online gets sick; Petra shows off her guinea pigs.

Dr. Jeff and Petra train new vets at a wildlife sanctuary in Mexico; spaying an endangered jaguar; helping an injured osprey.

Dr. Jeff and Ben head to an island in Panama to help with the pet population; a terrier loses a battle against a German shepherd puppy, and a sickly sphinx kitten needs medical attention.

An adventurous pup falls from a trampoline and it's up to Dr. Jeff and Petra to mend its broken leg; a dog called Pebbles must undergo emergency surgery for bladder stones; Dr. Jeff also helps a young alligator with an injured tail.

Dr. Jeff and his team give some aid at Lakota Reservation in South Dakota; Amy debates about emergency surgery for a French bulldog that ate its favorite toy; Susan finds a forever home for Koda the lovable canine.

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

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 and Ken head to Eagle, Alaska, to host a vet clinic; dog that suffered a vicious attack needs emergency surgery; Dr. Dee contemplates a lovesick turtle mystery; checking a rancher's cows for pregnancy.

Dr. Jeff and his team give some aid at Lakota Reservation in South Dakota; Amy debates about emergency surgery for a French bulldog that ate its favorite toy; Susan finds a forever home for Koda the lovable canine.

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

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 and Ken head to Eagle, Alaska, to host a vet clinic; dog that suffered a vicious attack needs emergency surgery; Dr. Dee contemplates a lovesick turtle mystery; checking a rancher's cows for pregnancy.

The cause of a senior dog's lump; a cat named Tigger is monitored for unusual eating habits; a puppy that was bought online gets sick; Petra shows off her guinea pigs.

Dr. Jeff and Petra train new vets at a wildlife sanctuary in Mexico; spaying an endangered jaguar; helping an injured osprey.

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 tense confrontation ensues when Wardens Scott and Gould respond to a call about an illegal deer hunting case; two raccoons find their way to a gas station and must be trapped; Warden Boone handles a disgruntled hunter at a deer hunting club.

In Llano County, a jet skier's life is spared after an explosion on the water; when a man fakes his own death, Warden Herchman and Stapleton join forces to track him down; a man is found trespassing while fishing.

Warden Cummings deals with an angry man who blew a stop sign; Warden Boone helps chase a trio of armed robbers on the run; Warden Inman investigates a group of suspected deer hunters for trespassing.

Game Wardens Mallory Mitchell and Jeremy Lindsey intervene when an overloaded boat and unruly jet skiers put lives at risk; Randolph McGee investigates reports of a wild hog being tortured; gathering up gator.

Warden Randolph McGee surprises a thief with real-time footage from a stolen camera; game warden Allison Hatten races to the aid of boaters stuck in quicksand; a pair of suspected road hunters tell an unlikely story.

On Lake Sam Rayburn, game wardens tangle with unruly crowds while rescuing a stranded family; Warden Kegan Gould unearths a devastating secret after questioning a suspicious rock collector; an abandoned baby animal gets a second chance.

When a wakeboarder's life is endangered by a critical injury, game wardens leap into action; Randolph McGee uncovers bizarre activity on a stakeout; Derrick Lopez gets creative to rescue a wild animal trapped in a garage.

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

Warden Taylor keeps the peace between hunters and landowners; Warden Golie first gets to the bottom of a curious case and later is shocked by hunters' behavior; Warden Luepke has a teachable moment with hunters who harvest deer illegally.

Discovering the lives of conservation officers of Montana defending public lands, handling antipoaching sting operations, and more.

Warden Taylor looks into hunters reported on a property without the landowner's permission; Warden Burroughs makes a tough decision when deer get their antlers stuck during a fight; Wardens Holland and Taylor investigate elk hunters harassing a herd.

Warden Kuka catches a repeat offender in the act; Warden Holland finds that someone fishing without a license also has a warrant out for his arrest; Wardens Taylor and Burroughs use an elk decoy to entice hunters.

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

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

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

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.

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

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

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

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.

Warden Taylor keeps the peace between hunters and landowners; Warden Golie first gets to the bottom of a curious case and later is shocked by hunters' behavior; Warden Luepke has a teachable moment with hunters who harvest deer illegally.

Discovering the lives of conservation officers of Montana defending public lands, handling antipoaching sting operations, and more.

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

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

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

Paul handles an emergency in Florida while the boys work nuisance calls along the Mississippi Gulf Coast; a giant alligator attacks Tre.

The boys must catch several large alligators and teach the Mississippi crew wrestling moves before they can return home to Florida; Paul has a dangerous underwater encounter.

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 man's devilish cat, Darkness has made his girlfriend fear for her safety after moving in together; a couple's four felines have turned their brand-new home into a war zone.

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.

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.

The team goes to Canada to investigate a Bigfoot encounter caught on tape.

The team heads to New York to investigate a video of baby bigfoot.

The team travels to southwestern Virginia, where a hairy creature known as "The Beast of Gum Hill" reportedly makes the rounds.

Locals report Bigfoot activity in Kentucky's Daniel Boone National Forest.

The team travels to New Mexico to investigate alleged sightings in and around Valles Caldera National Preserve.

The Kilchers prepare for winter; Otto saves a friend's home from sinking into the bay; parenting during the pandemic is stressful for Eve; Atz Sr. stalks a bear on the homestead.

Atz Sr. reveals his Fox Cabin legacy build; Eivin tries to complete a late project; Jane and Atz Lee attempt to airlift a piano to their remote cabin before snowfall.

The Kilchers prepare for winter; Otto saves a friend's home from sinking into the bay; parenting during the pandemic is stressful for Eve; Atz Sr. stalks a bear on the homestead.

Atz Sr. reveals his Fox Cabin legacy build; Eivin tries to complete a late project; Jane and Atz Lee attempt to airlift a piano to their remote cabin before snowfall.

The team heads to New York to investigate a video of baby bigfoot.

The team travels to southwestern Virginia, where a hairy creature known as "The Beast of Gum Hill" reportedly makes the rounds.

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.

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.

The boys battle a multitude of nuisance gators; Ashley suspects her job is in jeopardy; Paul tries to teach Kayla how to catch alligators by hand.

The boys must repair their old enclosures at Everglades Holiday Park to make space for endangered alligators; Tre is hired as an airboat captain, but soon wrecks his vessel.

A successful pet psychic is having trouble communicating with her vicious cat, Lily; Khloe the cat has developed erratic behavior after her owner discovered a colony of feral felines living behind the house.

A woman was forced to move out of her home due to her two cats who aggressively attack each other; a daughter feels threatened by her feral cat and fears that her 95-year old mother may be her next target.

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.

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

When a landowner ensnares a suspected trespasser and thief, Warden Mike Boone steps in to find the truth; Warden Randolph McGee races to rescue a deer caught in a hog trap; Wardens Ben and Chelsea Bailey reason with a stubborn angler.

Game Warden Allison Hatten tracks down the killer behind a string of inhumane deer deaths; wardens patrolling the national forest have a startling encounter; an informant leads Warden Austin Shoemaker to one of the biggest busts of his career.

When a group of anglers is caught trespassing in dangerous waters, one tries to conceal a serious offense; game wardens discover a brutal and illegal piece of equipment on a fishing boat; game warden Justin Eddins investigates a suspicious squatter.

A routine patrol turns intense when Game Wardens Kyle Allison and Dustin Delgado discover an angler is wanted for serious crimes, then rush to the scene of a plane crash.

While investigating a boat wreck, Warden Jennifer Provaznik discovers a grisly secret; game wardens intervene to save baby turtles being sold on a street corner; a fisherman's oversized fillet sparks suspicion.

With help from a K9 scent tracker, game wardens gather evidence that a lying hunter may have committed a felony; a duck hunter is caught hiding an illegal bird; game wardens Chelsea and Ben Bailey suspect an unidentified boat may be stolen property.

Retired game warden Benny Richards returns with a friendly challenge for game warden Randolph McGee; a gunshot leads to dubious activity on a night stakeout; wardens spring into action to save a wakeboarder who has a life-threatening injury.

When an oyster captain gets confrontational, Warden Trey Kram discovers one of the crew members has a history with the law; Warden Mike Boone encounters suspicious trespassers; Warden James Cummings celebrates his daughter's graduation.

Matt Kiel and Michael Serbanic investigate a bizarre lakeside encampment; a day at the beach turns ugly when illegal gillnets are discovered, and Matt Maloney protects a neighborhood from trespassers in the border town of Del Rio.

With help from a K9 scent tracker, game wardens gather evidence that a lying hunter may have committed a felony; a duck hunter is caught hiding an illegal bird; game wardens Chelsea and Ben Bailey suspect an unidentified boat may be stolen property.

Retired game warden Benny Richards returns with a friendly challenge for game warden Randolph McGee; a gunshot leads to dubious activity on a night stakeout; wardens spring into action to save a wakeboarder who has a life-threatening injury.

When an oyster captain gets confrontational, Warden Trey Kram discovers one of the crew members has a history with the law; Warden Mike Boone encounters suspicious trespassers; Warden James Cummings celebrates his daughter's graduation.

Matt Kiel and Michael Serbanic investigate a bizarre lakeside encampment; a day at the beach turns ugly when illegal gillnets are discovered, and Matt Maloney protects a neighborhood from trespassers in the border town of Del Rio.

Game Warden Allison Hatten tracks down the killer behind a string of inhumane deer deaths; wardens patrolling the national forest have a startling encounter; an informant leads Warden Austin Shoemaker to one of the biggest busts of his career.

When a group of anglers is caught trespassing in dangerous waters, one tries to conceal a serious offense; game wardens discover a brutal and illegal piece of equipment on a fishing boat; game warden Justin Eddins investigates a suspicious squatter.

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 look at why a leopard let its dinner escape; an ominous dark mass looming over an Icelandic lake; some scorpions glow in the dark.

A look at how a moose get stuck in an apple tree; why a crow is snowboarding on a jam jar lid; and whether Yellowstone's super volcano is about to erupt.

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

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.

Penny is an aggressive feline who has her owners desperate to restore peace in the home; Tony is a cat who displays bizarre and malicious behavior, leaving his care takers puzzled and eager for Jackson's help.

Buddy's owners are determined to transform him into the perfect indoor cat, despite his aggressive tendencies; Kali was recently adopted but due to her terrorizing behavior she may end up back in the shelter.

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.

Tia and M2 take to the water to prepare a pit bull for her forever home; a new parolee comes to Villalobos from Boston, hoping stay on track so that he can make his teenage son proud; a stray dog is near death when Lizzy and Heidi find him.

Greg and habitat designer Lucas travel to Washington State to meet the Dasch family, who look to create a grand Mayan-inspired terrarium for their extensive collection of poisonous dart frogs.

Just south of Cornel's World, reptile and amphibian lover and rescuer, Stevie, enlists the team to come up with a sci-fi fantasy-themed enclosure for her basilisk lizard; the guys lay a little princess magic on a showpiece for three ball pythons.

The team must create a samurai-themed enclosure for two boa constrictors in time for the grand opening of Serpent Tattoo; Rachel is forced to confront her fear of snakes when the team collaborates with a rattlesnake wrangler.

The Irwins take action when a croc becomes ill.

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.

The Irwins go to the Steve Irwin Wildlife Reserve; Robert leads his first croc-catching team; Bindi and Chandler have a life-changing announcement.

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

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.

Robert continues his father's legacy as he faces off with Bosco, the most aggressive croc at the zoo; Bindi lends a hand when a koala needs eye surgery.

The Irwins go to the Steve Irwin Wildlife Reserve; Robert leads his first croc-catching team; Bindi and Chandler have a life-changing announcement.

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

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.

Robert continues his father's legacy as he faces off with Bosco, the most aggressive croc at the zoo; Bindi lends a hand when a koala needs eye surgery.

Just south of Cornel's World, reptile and amphibian lover and rescuer, Stevie, enlists the team to come up with a sci-fi fantasy-themed enclosure for her basilisk lizard; the guys lay a little princess magic on a showpiece for three ball pythons.

The team must create a samurai-themed enclosure for two boa constrictors in time for the grand opening of Serpent Tattoo; Rachel is forced to confront her fear of snakes when the team collaborates with a rattlesnake wrangler.

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.

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

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.

A couple who has moved in together have merged the lives of their two cats. Since the move, Buddy has become territorial and a bully; two roommates adopted a cat who destroys and pees on everything in their apartment.

A woman's cat Pip is a one-eyed feline with cerebellar hypoplasia who torments her other cat, Red; a little girl's birthday present named Autumn is destructive to their home and targets the couch, beds, computer monitor and microwave.

Tia is called in to help rescue five injured dogs from a dog fighting situation; parolee Spencer gets out of jail and returns to Villalobos; Tia asks Spencer to help out with an adoption as a way to keep him on the straight and narrow.

A Harley-loving adopter arrives; Mariah and Lizzy struggle to catch a stray pit in New Orleans East; when a litter of black pit-mix puppies are dropped off at the Sanctuary, Tia and M2 turn to social media to adopt them out.

Angler Jeremy Wade heads to the Australian outback to try and catch the rare and fearsome freshwater sawfish, a shadowy predator said to be 18 feet long and known to attack boats.

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

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

Jeremy dives into western Australia's crocodile-infested Fitzroy River to catch an elusive, endangered shark.

Jeremy investigates when a terrifying creature with sharklike teeth is rumored to exist in Botswana's Okavango Delta.

Forrest returns to the volcanic islands of Indonesia to find the Millers grizzled langur, otherwise known as the Dracula monkey.

Forest sets off on a dangerous, shark-infested search for the extinct Caribbean monk seal, to prove its existence, he and the crew descend into deep waters where they come face-to-face with a giant tiger shark.

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.

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 returns to the volcanic islands of Indonesia to find the Millers grizzled langur, otherwise known as the Dracula monkey.

Forest sets off on a dangerous, shark-infested search for the extinct Caribbean monk seal, to prove its existence, he and the crew descend into deep waters where they come face-to-face with a giant tiger shark.

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.

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.

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

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

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.

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.

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.

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.

A Pennsylvania prison offers to take 20 dogs from Villalobos; an emaciated pit bull fights for its life; a potential adopter travels from Michigan to meet a dog that stole her heart.

Tania tries to rescue a puppy that's hiding beneath a shed; a potential adopter visits Villalobos to find a friend for her dog and she's only interested in the hounds; a beloved employee learns he's finally off parole.

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.

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'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 explores tree houses worldwide that tap into one's inner spirits; a manta-ray-shaped tree house within a Thai jungle; a spirit-soothing retreat hidden in Australia's wilderness.