Discover the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations, and more.

Discover the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations, and more.

Discover the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations, and more.

Discover the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations, and more.

A cat is brought into the shelter with its paws missing.

A dog with matted fur and an embedded harness is brought to the shelter.

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.

Keepers introduce three gaur, a large species of cattle, to the rest of the herd; a sickly sambar fawn is rushed to the health center; the bird department prepares for the arrival of great hornbills.

Peaches, a 2-month-old warthog, charms his keepers while training to become an animal ambassador; a nervous one-horned rhino adjusts to her new exhibit; Willow, a red panda, shows signs of being pregnant.

A couple wants their savannah cat and foster kittens to safely enjoy the outdoors; Antonio's solution is to build an intricate system of outdoor catwalks and double-decker enclosures with cat-friendly plants, natural climbing surfaces and toys.

Antonio transforms an overgrown backyard into a beach-themed oasis for humans and rescued rabbits, complete with predator-proof enclosures.

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

Tia is lured into a potentially deadly rescue when two pit bulls hide behind a stack of lumber.

A rescue mission focuses on a protective mama and her litter; William must step up and control rowdy puppies.

Wayde and Brett create unique aquariums for a luxury apartment complex and a knee brace company; Wayde hopes to energize his employees by holding a special contest.

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.

Never before scene footage of some of the most outrageous tanks ever made.

Client wants a playable 8-piece drum set tank; tank for Hawaiian Lahaina Grill.

Wayde sends the team to team building boot camp to keep them motivated in building two huge salt water tanks.

Mike learns how to make high quality bird food in Payette, Idaho, and then milks spiders for their venom in Arizona.

Mike visits the Happy Trails Kennels in Big Lake, Alaska, where he finds out how to breed and train sled dogs.

Mike heads to a unique dairy farm in Ramona, Calif. where he learns how to milk, care for and breed dromedary camels.

Mike performs tests on endangered snapping turtles, then travels to San Francisco where he removes and recycles toilets.

Mike learns how to make high quality bird food in Payette, Idaho, and then milks spiders for their venom in Arizona.

Mike visits the Happy Trails Kennels in Big Lake, Alaska, where he finds out how to breed and train sled dogs.

Mike heads to a unique dairy farm in Ramona, Calif. where he learns how to milk, care for and breed dromedary camels.

Mike performs tests on endangered snapping turtles, then travels to San Francisco where he removes and recycles toilets.

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.

Never before scene footage of some of the most outrageous tanks ever made.

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.

A trio of new penguin chicks are introduced to the pool for their first swim; family dynamics change when the mandrill monkey troop welcomes a new baby; a pair of king vultures are prepped for their big debut at the Queens Zoo.

A new bison calf has a hard time keeping up with his mom; the bird department prepares a group of Von der Decken hornbill chicks for their move to the Minnesota Zoo; keepers at the Central Park Zoo hope the female snow monkeys accept a new male.

Antonio goes hog wild and designs the ultimate piggy paradise with a new pig house, a mud pit, space to run and an activity wall to keep Mr. Pickles happy.

Antonio builds the ultimate barn with all the modern comforts for two rescued miniature horses that insist on sleeping in their owner's bedroom.

The family prepares Croc One, Steve Irwin's research ship, for a mission to release an endangered sea turtle back to the wild; Scarlett the giraffe reunites with her grandmother; Grub the wild echidna is released from the Zoo's Wildlife Hospital.

The Villalobos crew races into the city in search of a dog reportedly hit by a car; with the new arrival needing a kennel, Tia hopes adopting out a dog to a police officer and his sister will relieve capacity.

Tia receives a call about a puppy stuck in a pipe at the edge of the river and enlists the help of the twins and the parolees to rescue the dog; Tania and Perry must help build up a shy puppy's confidence when an adopter comes calling.

An Arctic mega-storm rocks the fleet; Sig plays cat-and-mouse with towering waves; Keith watches an 800-pound crab pot launch into a deckhand; Wild Bill fights for a comeback.

Sig, Johnathan and Jake attempt to run from a second arctic hurricane, but Keith refuses to heed the warnings; Stress-induced chest pains threaten the remainder of Sig's season.

After suffering chest pains, Sig awaits news in the hospital; Wild Bill struggles to stay out of harm's way while also handling dissension on deck; Sean lays down the law with Zack.

In the wake of the Destination tragedy, one last storm bears down on Edgar, Bill, Sean and Jake; the Coast Guard attempts to save the crew of a fishing vessel while their boat takes on water.

Shedding blood on the Time Bandit; a fight breaks out on the Wizard; the Northwestern grapples with a burnt-out boat; a lost bet leads to cod guts on the Brenna A.

Lucas Congdon and his crew are tasked with creating a jungle feel in a suburban backyard.

Lucas creates an outdoor water room in which a mermaid could live; former clients that love the ocean want to remodel their tiny pool that sits yards away from the Gulf of Mexico.

Lucas builds a family size water park in a neglected backyard that includes a waterslide and double decker outdoor patio.

Lucas and his crew encounter several design firsts as they create a Mexican-inspired resort in a Venice, Fla. backyard.

Lucas Congdon and his crew are tasked with creating a jungle feel in a suburban backyard.

Lucas creates an outdoor water room in which a mermaid could live; former clients that love the ocean want to remodel their tiny pool that sits yards away from the Gulf of Mexico.

Lucas builds a family size water park in a neglected backyard that includes a waterslide and double decker outdoor patio.

Lucas and his crew encounter several design firsts as they create a Mexican-inspired resort in a Venice, Fla. backyard.

Sig, Johnathan and Jake attempt to run from a second arctic hurricane, but Keith refuses to heed the warnings; Stress-induced chest pains threaten the remainder of Sig's season.

After suffering chest pains, Sig awaits news in the hospital; Wild Bill struggles to stay out of harm's way while also handling dissension on deck; Sean lays down the law with Zack.

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

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

Crate training Nikita the Amur tiger in preparation for her move to Washington, D.C., proves challenging; an endangered Chinese alligator shows signs of being pregnant; staff prepare to release rare New England cottontail rabbits into the wild.

A giraffe named Mashengo journeys from the Indiana Zoo to his new home in the Bronx; keepers hand-raise endangered ducklings and release them at the Central Park Children's Zoo; love is in the air for a pair of cloud rats.

Antonio transforms two Nigerian dwarf goats' space into the ultimate goat playground, complete with a climbing tower, observation deck, and an easy-to-clean three-story house.

Ricky adopted a 20-foot Burmese python he rescued from a burning building, and now needs Antonio's help to transform his basement into an epic habitat with heated rock facades, a waterfall and a pond.

Robert wrangles Utah, a venomous 12-foot king cobra; Dr. Amber visits Tandora to care for wild koalas; back at the zoo, an old injury flares up for Bruce the brolga, a bird that has been in the Irwins' care for 26 years.

As the team drives all the way to Michigan for a home check, they get sidetracked by an emergency rescue.

Two dogs running wild on the train tracks prompts a dangerous rescue mission; married couple look to adopt a dog to help heal from tragedy.

Pete helps three siblings surprise their parents with a Scandinavian-style, two story, art studio treehouse with Murphy-bed art tables, multi-use studio area and sky tents in Wisconsin.

Pete is tasked with building a tree-top, Native American themed, summer camp treehouse with a built-in kennel, French door, climbing wall, back deck and fire pole for a young family on the Washington coast.

Pete and the crew look to Buddha's teachings as they build a traditional Japanese teahouse 20 feet in the air complete with a shoji screen wall, Tatami mats, low table with sunken floor and pagoda style roof for a zen-like paradise in Seattle.

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

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

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

Pete builds a secluded, three-story, speakeasy-themed treehouse, 60 feet above the ground with rooftop lounge and writing-and-recording room with vintage guitars for country music superstar Brian Kelley, of the award-winning duo Florida Georgia Line.

Pete returns to where he built his very first treehouse; now with experience, knowledge, new techniques and some steel, he can rebuild it; he has the technology; he has the capability to build the world's first bionic treehouse.

Amish locals help Pete construct a barn-themed treehouse tavern on an Ohio family's sprawling rural property.

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

Pete builds a secluded, three-story, speakeasy-themed treehouse, 60 feet above the ground with rooftop lounge and writing-and-recording room with vintage guitars for country music superstar Brian Kelley, of the award-winning duo Florida Georgia Line.

Pete returns to where he built his very first treehouse; now with experience, knowledge, new techniques and some steel, he can rebuild it; he has the technology; he has the capability to build the world's first bionic treehouse.

Amish locals help Pete construct a barn-themed treehouse tavern on an Ohio family's sprawling rural property.

Pete is tasked with building a tree-top, Native American themed, summer camp treehouse with a built-in kennel, French door, climbing wall, back deck and fire pole for a young family on the Washington coast.

Pete and the crew look to Buddha's teachings as they build a traditional Japanese teahouse 20 feet in the air complete with a shoji screen wall, Tatami mats, low table with sunken floor and pagoda style roof for a zen-like paradise in Seattle.

Theresa and Tony Scruff Matthews turned their dream retirement home in Australia into a full-time kangaroo rescue; they're ready to release kangaroos Lisa, Luna, and Barbie, but an injury might threaten one of them returning to the wild.

Seven-year-old social media sensation Roman McConn and his mom, Jen, have saved over 1,500 shelter dogs by connecting them with adopters around the country; the duo have 1 month to find homes for over 100 shelter dogs, including Noah, Rocky and Migo.

A quarrelsome cat threatens marriage plans; an aggressive feline interferes with a Pilates business.

A Bengal cat disrupts the peace between girlfriends; Mad Max sneaks into a neighbor's apartment.

A vicious feline's attacks threaten to keep a couple from getting married; a tiny dog is terrorized by an aggressive cat.

A nasty feline prevents a couple from adding a baby to their family; a couple's cat chases them around the house.

Two feuding felines threaten a couple's impending honeymoon; a Bengal cat refuses to engage in play duty.

A once-cuddly kitten matures into a demonic feline; a couple's rescue cat resents the arrival of a new kitten.

A woman and her friend share custody of a yowling, troublesome feline; a couple want to start a family, but are worried about their cat's aggressive behavior.

A man puts his annoying cat in.

A transplanted cat attacks its owners; a man moves in with his girlfriend, but her cat resents the new man of the house.

A couple's ferocious feline keeps family members from visiting; a Russian blue cat declares war on her owner's boyfriend.

Roommates Josh and Grace's respective cats are constantly attacking each other; feral cat, Blackie, is a handful for mother-daughter duo, Catherine and Patty; Koneko Cat Café.

Jackson enters the Santé D'or shelter with the intention of helping an over-aggressive shelter cat, Pig Pen.

Scout fears his tormentor, Caramel, to the point that he literally lives inside a kitchen cabinet; a woman adopts a hybrid Bengal cat who can use the toilet but can't otherwise keep still.

Jackson works with a guardian, Tara, whose traumatic experience with her previous cat affects her currently troubled cat, Cali; Jackson must deal with guardian Kurtis and his cat, Kurtis Jr., before the guardian has his feline namesake declawed.

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.

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.

Scout fears his tormentor, Caramel, to the point that he literally lives inside a kitchen cabinet; a woman adopts a hybrid Bengal cat who can use the toilet but can't otherwise keep still.

Jackson works with a guardian, Tara, whose traumatic experience with her previous cat affects her currently troubled cat, Cali; Jackson must deal with guardian Kurtis and his cat, Kurtis Jr., before the guardian has his feline namesake declawed.

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.

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 transplanted cat attacks its owners; a man moves in with his girlfriend, but her cat resents the new man of the house.

A couple's ferocious feline keeps family members from visiting; a Russian blue cat declares war on her owner's boyfriend.

The staff at East Winch Wildlife center tackles the growing problem of seals trapped in discarded fishing nets. Elsewhere, a swan has its foot caught in discarded rubble.

An animal rescue officer must overcome her fear of heights to rescue a trapped cow; RSCA volunteers rescue a baby hedgehog, a swan and a fox cub.

Dan Cabela participates in a scientific sampling project to monitor the musk ox population in Barren Ground, Canada, hoping to gain firsthand experience of the relationship between its people and this Arctic icon.

Famous for its Mayan ruins, the Yucatán in Mexico is home to diverse wildlife; after years of overharvesting and exploitation, regulated hunting is helping to conserve large areas of the fragile ecosystem; Dan travels to the region to learn more.

LDWF biologists undertake an explosive mission to help conserve Louisiana's wild turkeys; a suspicious deer skull points to a hunter flouting the law; more than 1,000 lbs of shrimp are at stake when a captain is caught in a major violation.

A barrage of heavy gunfire in an archery-only area puts wildlife agents on high alert; two boaters are stranded on Catahoula Lake; a hunter is caught in an act of fraud; a veteran agent encounters a high-stakes violation on his final patrol.

A suspicious encounter in a quiet neighborhood leads wildlife agents to a black market venison sale. A routine boating check ends with a wanted man in handcuffs, and agents launch a massive search for a 93-year-old boater lost.

LDWF biologists on a conservation mission get hands-on with black bear cubs, facing a protective mama bear; hunters get caught using a banned method to hunt ducks; wildlife agents stake out after dark for a felon with an illegal gun.

A suspicious driver leads wildlife agents on a high-speed chase through a national forest. Goose hunting guides are caught in a repeat offense, and a routine stop turns treacherous when a suspect is discovered concealing a firearm.

When a pair of illegal hunters flee by truck, wildlife agents set out to track them down. Heaps of trash dumped at a fishing spot lead to a suspect who denies any wrongdoing, and damning evidence in a truck bed catches a hunter in a lie.

Officers St. Pierre, Benvenuti and K9 Cora investigate a couple accused of road hunting; an actress tries to perform her way out of a ticket with Officer Hannett; Officer Holmes gets an injured goose call; Officer Frye handles a neighbor dispute.

Conservation Officers statewide join forces with volunteers and the National Guard to launch an intensive search for a missing hiker; Officer McKee gets news of a bear who has infiltrated a home in search of food.

Officer Cyrs gets a call about a rabid fox that attacked a homeowner; Officer Crouse tracks down a group of ATV riders; Lt. Murphy talks to a farmer about a nuisance bear; Officers Frye and Jones investigate a hunter that may have shot from the road.

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.

Two officers join forces to summon a man for baiting without a permit; pursuing a pair of ATV speedsters riding with a toddler with no safety gear; a call about a deer wedged in a fence.

Stories aren't adding up when wardens go to check if a group has valid fishing licenses; Wardens confront anglers fishing in closed water and crack down on anglers during the limited paddlefish season.

Discover the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations, and more.

Stories aren't adding up when wardens go to check if a group has valid fishing licenses; Wardens confront anglers fishing in closed water and crack down on anglers during the limited paddlefish season.

Discover the lives of conservation officers of Montana defending public lands, handling anti-poaching sting operations, and more.

Conservation Officers statewide join forces with volunteers and the National Guard to launch an intensive search for a missing hiker; Officer McKee gets news of a bear who has infiltrated a home in search of food.

Officer Cyrs gets a call about a rabid fox that attacked a homeowner; Officer Crouse tracks down a group of ATV riders; Lt. Murphy talks to a farmer about a nuisance bear; Officers Frye and Jones investigate a hunter that may have shot from the road.

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

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

Jeremy searches for a modern-day.

Jeremy travels to the Amur River in eastern Russia, where a mammoth predator is allegedly responsible for the disappearances of three fishermen.

Jeremy stalks a rare river beast in Mongolia while minding the armed outlaws in the wilderness.

Jeremy investigates grisly river attacks in the Himalayas, but is warned that the suspected predator is a sacred creature.

Jeremy 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.

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

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

Forrest 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.

A mysterious and aggressive shark emerges from the deep off California's coast, sparking a race to catch it and reveal whether it's an enormous mako, a mutant or a great white-mako hybrid.

Alison Towner and Dickie Chivell investigate how killer whales hunt great whites; Dickie disguises as an orca in New Zealand.

Off Mozambique's coast, sharks swarm a hidden peak, hunting giant trevally in a once-a-year feeding frenzy; when 5,000 trevally fight back, the hunters become the hunted in one of the ocean's wildest showdowns.

Wildlife biologist Forrest Galante injects himself with shark venom after diving into Australia's dangerous waters, home to some deadly sharks; he hopes this experiment will help in discovering the potency of the Port Jackson Shark and Ghost Shark.

A mysterious and aggressive shark emerges from the deep off California's coast, sparking a race to catch it and reveal whether it's an enormous mako, a mutant or a great white-mako hybrid.

Alison Towner and Dickie Chivell investigate how killer whales hunt great whites; Dickie disguises as an orca in New Zealand.

Off Mozambique's coast, sharks swarm a hidden peak, hunting giant trevally in a once-a-year feeding frenzy; when 5,000 trevally fight back, the hunters become the hunted in one of the ocean's wildest showdowns.

Wildlife biologist Forrest Galante injects himself with shark venom after diving into Australia's dangerous waters, home to some deadly sharks; he hopes this experiment will help in discovering the potency of the Port Jackson Shark and Ghost Shark.

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

Follow puppies in the first months of these Pugs, Mini-Australian Shepherds and Rottweillers' lives as they will be adventure-filled, including a lesson in duck-herding.

Heartwarming romps featuring hairless Sphynxes, inquisitive Burmese cats, and tiny Ragdolls who buddy up to German Shepherds.

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

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

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

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

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

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

Dr. 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.

Off Mozambique's coast, sharks swarm a hidden peak, hunting giant trevally in a once-a-year feeding frenzy; when 5,000 trevally fight back, the hunters become the hunted in one of the ocean's wildest showdowns.

Wildlife biologist Forrest Galante injects himself with shark venom after diving into Australia's dangerous waters, home to some deadly sharks; he hopes this experiment will help in discovering the potency of the Port Jackson Shark and Ghost Shark.

With reports of enormous fat white sharks appearing off the coast of New Zealand, scientists Tom Hird and Leigh de Necker set out to find one of these behemoths and determine if the great white can reach a staggering 6,000 lbs.

Researchers brave a great white shark feeding frenzy inside a life-sized whale decoy, which could be the key to finding the biggest great white sharks in South African history.

Dr. Austin Gallagher and his fearless team deploy a 29 foot whale decoy to attract and study massive great whites in New Zealand; witnessing their feeding frenzy and uncovering dominant Queen Boss females ruling male dominated clans.

After nine great white attacks off South Africa's.

Shark attack survivor Paul de Gelder attempts to get attacked by a shark again; under the supervision of experts, Paul provokes sharks to attack him in multiple scenarios, where they bite and tear off prosthetic limbs to teach life-saving tactics.

A rogue tiger shark kills two people in the Caribbean, sparking fear that it's the legendary Devil Shark. A team tracks the shark behind the attacks and uncovers a seismic force driving sharks to aggression in these waters.

Shark expert Tristan Guttridge and his mad scientist team use CGI to build the ultimate.

After nine great white attacks off South Africa's.

Shark attack survivor Paul de Gelder attempts to get attacked by a shark again; under the supervision of experts, Paul provokes sharks to attack him in multiple scenarios, where they bite and tear off prosthetic limbs to teach life-saving tactics.

A rogue tiger shark kills two people in the Caribbean, sparking fear that it's the legendary Devil Shark. A team tracks the shark behind the attacks and uncovers a seismic force driving sharks to aggression in these waters.

Shark expert Tristan Guttridge and his mad scientist team use CGI to build the ultimate.

Wildlife biologist Forrest Galante injects himself with shark venom after diving into Australia's dangerous waters, home to some deadly sharks; he hopes this experiment will help in discovering the potency of the Port Jackson Shark and Ghost Shark.

With reports of enormous fat white sharks appearing off the coast of New Zealand, scientists Tom Hird and Leigh de Necker set out to find one of these behemoths and determine if the great white can reach a staggering 6,000 lbs.

The fun-filled early months in the lives of Savannah, Siberian and shorthair cats include exploring new realms and playing with other small household pets.

Frisky fun with glamorous American Curl kittens; Tonkinese youngsters bedevil their mother; a Maine Coon kitten bosses his siblings around.

The Pensacola Blue Wahoos ask Wayde and Brett to turn an old school bus into a mobile fish tank; Brett comes up with a unique tank design for his mother's nail salon.

The CEO of a national pet-supplies chain desires a massive tank for a diverse selection of animals; a tank is needed for a business venture between rock band Kiss and Monster Mini-Golf.

Comic Tracy Morgan keeps the men entertained while they install a tank in his basement; a Las Vegas boy wants to cut a deal for his own tank.

Wayde and Brett get the royal treatment from a Chicago company with a demanding project in mind; restaurant owners want a window tank with remote-controlled submarines.

Wayde and Brett construct a complex koi pond for NFL linebacker Bart Scott; a client desires an 8-foot-tall, 500-gallon tank.

The Acrylic Tank Manufacturing family remembers some of the best tanks and pranks of the year, along with memories of how the business began and what it's like working alongside a wife, father and brother-in-law.

Brett and Wayde reflect on their unusual experiences building tanks across America.

A phenomenon known as.

Something is happening in the abyss around Guadalupe Island; photos of great whites with strange scars believed to be from giant squids have surfaced; Dr. Tristan Guttridge leads a mission to get a glimpse into the battles between the two beasts.

The Meg, a massive shark measuring 50 feet and weighing 60 tons, was once feared as the most fearsome predator; it could devour a killer whale effortlesslyn new evidence suggests that its cousin, the great white shark, may have caused its extinction.

In New Zealand, a clash of titans is about to erupt, the Great White versus a 60 foot leviathan; Dr. Tristan Guttridge and Kina Scollay simulate epic battles and study orca tactics to discover the ultimate predator.

Shark expert Tristan Guttridge and his mad scientist team use CGI to build the ultimate.

American bull sharks throw down with Ozzie bulls in a wild competition to determine which one is superior. Paul De Gelder provokes his Australia bulls to perform against Craig O'Connell and Florida's fiercest bull sharks.

Great white male and female sharks battle each other in a series of contests to prove which is the superior sex.

Using data gathered in new experiments, Tristan Guttridge, Rosie Moore and Dr. Sora Kim construct a CGI fight to the death between two of the apex predators in the water, the great white shark and Nile crocodile.

Alison Towner and Dickie Chivell investigate how killer whales hunt great whites; Dickie disguises as an orca in New Zealand.

American bull sharks throw down with Ozzie bulls in a wild competition to determine which one is superior. Paul De Gelder provokes his Australia bulls to perform against Craig O'Connell and Florida's fiercest bull sharks.

Great white male and female sharks battle each other in a series of contests to prove which is the superior sex.

Using data gathered in new experiments, Tristan Guttridge, Rosie Moore and Dr. Sora Kim construct a CGI fight to the death between two of the apex predators in the water, the great white shark and Nile crocodile.

Alison Towner and Dickie Chivell investigate how killer whales hunt great whites; Dickie disguises as an orca in New Zealand.

Something is happening in the abyss around Guadalupe Island; photos of great whites with strange scars believed to be from giant squids have surfaced; Dr. Tristan Guttridge leads a mission to get a glimpse into the battles between the two beasts.

The Meg, a massive shark measuring 50 feet and weighing 60 tons, was once feared as the most fearsome predator; it could devour a killer whale effortlesslyn new evidence suggests that its cousin, the great white shark, may have caused its extinction.

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.

Issues with the local community and government convince Tia to move the Villalobos Rescue Center from California to New Orleans.

A large family hopes to adopt a new dog after losing their pet to cancer; Tia and Tania encounter a snarling, sick dog in New Orleans' 9th Ward.

A girl needs Tia's help after she saves a pit bull from drowning in a canal; Tia must hire another parolee after 20 new puppies arrive at Villalobos.

Tragedy results when Tia and Mariah help a man care for two rescued animals; a Villalobos volunteer wants to adopt a dog with a strange past.

Tia travels to Nashville with Tania and new parolee Randy to save a dog from death row; a storm threatens to flood Villalobos; a rescued puppy may find a permanent home.

Tia and the twins search for a dog abandoned in the swamps; a young parolee has a hard time coping with the stress of work and parenthood.

Tia races to save a mother dog and her puppies; a major event in the life of a loyal parolee leaves Tia reeling.

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.

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

In Vietnam, Forrest treks through the world's largest cave searching for the saola in a hidden oasis; this exotic species was only recently discovered, but rumors swirl that The Asian Unicorn might already be extinct.

Wildlife biologist and conservationist Forrest Galante dives into some of the most treacherous, shark-infested waters in the southern hemisphere all in an attempt to rediscover three unique sharks lost to science for as long as 100 years.

International wildlife biologist Forrest Galante travels the world in search of rare and elusive wildlife, including those lost to science and mysterious cold water sharks.

Welcome to New Smyrna Beach -- Florida's spring break hotspot and the Shark Attack Capital of the World. Wildlife biologist Forrest Galante investigates to figure out why this party spot has become so deadly before more blood ends up in the water.

There's blood in the water as Josh Gates investigates the strangest shark mysteries ever told from the real-life inspiration for Jaws to the shocking case of a tiger shark in captivity that vomited a human arm and helped police solve a murder.

Josh Gates sends Phil and Heather on their riskiest mission yet: tracking a legendary 20-foot shark lurking in the eerie waters off Colombia's Malpelo Island; after seeing chilling footage, Josh tasks his team with uncovering the predator's identity.

A mysterious and aggressive shark emerges from the deep off California's coast, sparking a race to catch it and reveal whether it's an enormous mako, a mutant or a great white-mako hybrid.

Welcome to New Smyrna Beach -- Florida's spring break hotspot and the Shark Attack Capital of the World. Wildlife biologist Forrest Galante investigates to figure out why this party spot has become so deadly before more blood ends up in the water.

There's blood in the water as Josh Gates investigates the strangest shark mysteries ever told from the real-life inspiration for Jaws to the shocking case of a tiger shark in captivity that vomited a human arm and helped police solve a murder.

Josh Gates sends Phil and Heather on their riskiest mission yet: tracking a legendary 20-foot shark lurking in the eerie waters off Colombia's Malpelo Island; after seeing chilling footage, Josh tasks his team with uncovering the predator's identity.

A mysterious and aggressive shark emerges from the deep off California's coast, sparking a race to catch it and reveal whether it's an enormous mako, a mutant or a great white-mako hybrid.

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

In Vietnam, Forrest treks through the world's largest cave searching for the saola in a hidden oasis; this exotic species was only recently discovered, but rumors swirl that The Asian Unicorn might already be extinct.