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.

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.

On the eve of their journey back to Alaska, Bird faces a life-changing crisis; on the ranch, Bear and Raiven decide to move up the mountain and finally start their life as a family.

While Bird undergoes emergency surgery, Gabe embarks on a risky wood salvage mission for his homestead build; Raiven gets her first lesson in off-grid building with Bear.

The siblings touch down in Haines, Alaska, on a mission to find a new homestead for Noah; on North Star Ranch, Bam and Gabe set out to deter encroaching predators hungry from hibernation; Bear introduces off-grid cuisine to Raiven.

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.

On the eve of their journey back to Alaska, Bird faces a life-changing crisis; on the ranch, Bear and Raiven decide to move up the mountain and finally start their life as a family.

While Bird undergoes emergency surgery, Gabe embarks on a risky wood salvage mission for his homestead build; Raiven gets her first lesson in off-grid building with Bear.

The siblings touch down in Haines, Alaska, on a mission to find a new homestead for Noah; on North Star Ranch, Bam and Gabe set out to deter encroaching predators hungry from hibernation; Bear introduces off-grid cuisine to Raiven.

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.

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.

Terri helps prepare the zoo's new baby rhino, Carrie, to receive a lifesaving vaccine; Robert is on a rescue mission to save two black swans in very bad shape; Bindi tries to determine if a cranky wombat named Poa might be pregnant.

Troublesome alligators must be removed from a school playground, a nursery and a housing development; a Burmese python sinks its fangs into Tre.

Bob Freer makes the announcement that he is closing Everglades Outpost due to lack of funds after Jimmy gets bit by a gator; no outpost means no gator rescue as Paul races to keep the outpost open.

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 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.

Tia readies for the worst as hurricane season approaches; a clue may help Mariah and the twins locate a dog's owner; Rico's grandparents adopt a shy dog.

Tania and Tia rescue a sick dog from the streets; Chong's health deteriorates as his cancerous tumor continues to grow; Tia works on a long-distance adoption.

Wildlife agents join a manhunt for an armed fugitive on the bayou; a nervous young hunter reveals a serious violation; a night shrimping bust leads to a familiar and unrepentant culprit.

When wildlife agents find an alligator with a fresh bullet wound to the head, nearby anglers are the prime suspects; an injured hunter must be evacuated by helicopter; agents use drones to track crabbers selling their catch across state lines.

The search is on for a missing boater who may have suffered a stroke on Corney Lake; wildlife agents deploy as a hurricane makes landfall, rescuing stranded survivors from the floodwaters and dispensing lifesaving supplies.

As a storm rolls in over St. Tammany Parish, Cpl. Blaine Wagner and Cpl. Rick Clark assist in a search-and-rescue mission for a missing fisherman; agents confront a repeat offender for harassing hunters, and a felon is caught with an illegal firearm.

In Jackson Parish, a reckless hunter is investigated for shooting down a highway; agents stake out a man suspected of two illegal deer kills; duck hunters are confronted for harassment; a crowded boat parade ends with citations.

In Ouachita Parish, a trespassing investigation leads to a dicey encounter and multiple seizures of deer; agents confront a group of duck hunters who are spotted killing non-game birds; health code violations are found during a routine oyster patrol.

In southern Louisiana, Lt. David Nunez and Sgt. Austin Arteaga investigate a group of bird hunters on opening day of teal season; a repeated offender is busted for taking immature crabs; a late-night deer decoy leads to a hunter in handcuffs.

Deep in the woods and bayous of Louisiana, wildlife agents protect the state's resources; a crab fisherman is caught stealing dozens of traps, a hunter crosses state lines with an illegal deer and agents rescue an injured bald eagle.

While using the LDWF's spy in the sky drone, agents track down a boat captain breaking the law in Plaquemines Parish; a family of shrimpers is investigated for pulling oversized nets; two feuding fishermen are suspected of being under the influence.

In Ouachita Parish, a trespassing investigation leads to a dicey encounter and multiple seizures of deer; agents confront a group of duck hunters who are spotted killing non-game birds; health code violations are found during a routine oyster patrol.

In southern Louisiana, Lt. David Nunez and Sgt. Austin Arteaga investigate a group of bird hunters on opening day of teal season; a repeated offender is busted for taking immature crabs; a late-night deer decoy leads to a hunter in handcuffs.

Deep in the woods and bayous of Louisiana, wildlife agents protect the state's resources; a crab fisherman is caught stealing dozens of traps, a hunter crosses state lines with an illegal deer and agents rescue an injured bald eagle.

While using the LDWF's spy in the sky drone, agents track down a boat captain breaking the law in Plaquemines Parish; a family of shrimpers is investigated for pulling oversized nets; two feuding fishermen are suspected of being under the influence.

When wildlife agents find an alligator with a fresh bullet wound to the head, nearby anglers are the prime suspects; an injured hunter must be evacuated by helicopter; agents use drones to track crabbers selling their catch across state lines.

The search is on for a missing boater who may have suffered a stroke on Corney Lake; wildlife agents deploy as a hurricane makes landfall, rescuing stranded survivors from the floodwaters and dispensing lifesaving supplies.

Cat owners and their fabulous felines in the southeast.

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

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

Ashley has a bad experience in the gator pit; Jimmy accuses Chris of poor training methods.

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 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.

Hurricane Isaac batters New Orleans, flooding Villalobos' evacuation location and isolating Tia from the rest of the world.

Tia recalls dramatic rescues and heartwarming moments from the fourth season of the series; updates on featured dogs.

Lusso Auto Spa, designers of customizations for high-end and rare vehicles, want an exotic fish tank that matches their amazing automobiles; they commission a massive 14-foot, three-sided tank.

Three-time world champion boxer Fernando Vargas asks Wayde and Brett to make a boxing glove-shaped tank for his boxing gym in Las Vegas; this challenge goes well beyond the ring.

R&B singer Keyshia Cole dreams of having a saltwater aquarium in her home, and Wayde and Brett endeavor to make her dreams come true.

Jeremy investigates the bull shark.

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

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

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

Jeremy's quest to locate the legendary Loch Ness Monster takes him from the depths of the Scottish lake to the volcanoes of Iceland.

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

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

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

Jeremy's quest to locate the legendary Loch Ness Monster takes him from the depths of the Scottish lake to the volcanoes of Iceland.

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

Three-time world champion boxer Fernando Vargas asks Wayde and Brett to make a boxing glove-shaped tank for his boxing gym in Las Vegas; this challenge goes well beyond the ring.

R&B singer Keyshia Cole dreams of having a saltwater aquarium in her home, and Wayde and Brett endeavor to make her dreams come true.

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

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

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

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

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.

Paul and Jimmy argue over Jimmy's goal to expand the Gator Boys Rescue Operation; Jimmy disappears; Paul tries to keep the Gator Boys from falling apart.

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

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 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.

A former adopter returns for a support companion as she battles cancer; the effort to rescue an injured stray; Tia puts a new parolee through his paces.

Moe and Lizzy rescue a sick, scared stray, but a diagnosis proves tricky; a friend of the rescue visits in hope of adopting a dog that has previously been overlooked; new mom Tania struggles to find a balance between life and work at Villalobos.

Hiking in the Montana mountains, trail engineer Todd Orr is attacked twice by grizzly bear protecting her cubs; during a vacation in the Bahamas, Tiffany Johnson is snorkeling when she finds herself face-to-face with a tiger shark.

Micki Glenn is attacked by a shark during a dive trip; hours from the nearest medical facility, she has to rely on her husband and friends to save her life; a couple is attacked by a giraffe while on safari.

Paul Templer is leading a canoe safari on the Zambezi River near Victoria Falls when a hippopotamus bursts to the surface and drags him into the water; in Texas, an animal pounces on 5-year-old Jade DeMoss.

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.

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.

A polar bear chases down Erin Greene as she walks home from a Halloween party in a small arctic town; a bull shark attacks triathlete Chuck Anderson in the Gulf of Mexico, biting his arm and pulling him to the ocean floor.

A grizzly bear charges taxidermist Wilf Lloyd while he hunts elk with his son-in-law in the Canadian Rocky Mountains; miles from shore, diving 180 feet below the surface, spearfisher Anthony Segrich finds a bull shark charging toward him.

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.

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 polar bear chases down Erin Greene as she walks home from a Halloween party in a small arctic town; a bull shark attacks triathlete Chuck Anderson in the Gulf of Mexico, biting his arm and pulling him to the ocean floor.

A grizzly bear charges taxidermist Wilf Lloyd while he hunts elk with his son-in-law in the Canadian Rocky Mountains; miles from shore, diving 180 feet below the surface, spearfisher Anthony Segrich finds a bull shark charging toward him.

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.

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.

Micki Glenn is attacked by a shark during a dive trip; hours from the nearest medical facility, she has to rely on her husband and friends to save her life; a couple is attacked by a giraffe while on safari.

Paul Templer is leading a canoe safari on the Zambezi River near Victoria Falls when a hippopotamus bursts to the surface and drags him into the water; in Texas, an animal pounces on 5-year-old Jade DeMoss.

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

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

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

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

Terri 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.

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

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

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.

The police need Villalobos' help when a woman in the French Quarter is rushed to the hospital, leaving her dogs behind; a recent divorcee from Alabama visits the rescue to help fill the void in his home; Rhino faces a health crisis.

Remembering the first pit bull that Tia rescued, and the dog that walked Tania down the aisle; the family looks back at the most memorable dogs.

Pete has one week to build a Christmas-treehouse wonderland in the desert outside Jamul, Calif., for a family who celebrates Christmas 365 days a year; members of the Fraternal Order of Real Bearded Santas lend a helping hand.

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

Adventure-themed treehouse with suspension bridges, rock-climbing wall and hidden passages is built in the Pocono Mountains.

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

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

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

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

Pete builds a 600-square foot Western-style man-cave tree house that includes a cigar humidor, a meat smoker, and a flat-screen TV, for a father of three daughters in Texas.

A couple dreams of having a treehouse atop a lighthouse in Washington, and Pete finds the property's steep grade challenging.

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

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

Pete builds a 600-square foot Western-style man-cave tree house that includes a cigar humidor, a meat smoker, and a flat-screen TV, for a father of three daughters in Texas.

A couple dreams of having a treehouse atop a lighthouse in Washington, and Pete finds the property's steep grade challenging.

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

Adventure-themed treehouse with suspension bridges, rock-climbing wall and hidden passages is built in the Pocono Mountains.

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.

Jackson and Zoe meet Tami, whose two terrorized cats have been outfitted with a rooftop cat sanctuary, complete with scratching posts, food and water stations and lawn chairs.

To prevent a couple's third breakup, Jackson assists Terence, who needs to overcome his feline fears; Zoe works with the couple's Rottweiler.

A couple want to move in together, but their pets don't get along; a stressed cat licks her belly raw.

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.

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 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.

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.

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 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.

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