Captains Joe and Tyler are in a heated battle in the season finale; fighting for the top spot, dark horse Niko spots a chance to steal the lead; with the biggest catches of the season yet to come, it all comes down to the final weigh-ins at the dock.

With the advantage of spotter planes, veteran Tyler and young gun Joe battle for the most monster bluefin until Joe helps strongman Niko get back into contention; when Niko's zapper fails, Tyler steps in to save the day.

As the giant bluefin gorge themselves on schools of fatty baitfish, captains battle to capture oversized quota-killer tuna; young gun Joe scores a rare feat by landing three in a day; veteran Tyler struggles with both science and technology.

With less than a quarter of the bluefin quota still available to catch, a change in weather forces captains to shift their strategy; Tyler quickly scores three big fish; Joe takes to the air, he spots a lone tuna, then races to find it at sea.

Captains Joe and Tyler are in a heated battle in the season finale; fighting for the top spot, dark horse Niko spots a chance to steal the lead; with the biggest catches of the season yet to come, it all comes down to the final weigh-ins at the dock.

Captains Joe and Tyler hit bluefin gold as second-generation harpooner, Niko Chaprales, fails to land even one.

Captain Joe Dion takes his sons to sea, landing two bluefins and witnessing a great white shark feeding on a humpback whale.

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.

A shy toyger kitten makes friends with a large housemate; British shorthairs audition to work the door at a veterinarian's office; a RagaMuffin avoids household chores.

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.

Following surgery, Olga the ostrich is prepared to be reunited with her flock; a squirrel monkey arrives at the zoo; a crowd pleasing warthog returns.

History is made at the Australia Zoo when Robert and team attempt the largest alligator capture and relocation; koala breeding takes a tough turn for Bindi and the Wildlife Hospital; Terri gives the Sumatran elephants more space to roam.

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.

Tensions run high when Dr. Blue visits a cattle ranch to castrate five adult bulls; Dr. Ross treats a hen with an injury; a puppy needs a serious surgery after being hit by a car.

Villalobos is tested like never before when Tia and her crew are called upon to rescue a pack of wolf-dog hybrids abandoned by a backyard breeder; with law enforcement threatening to kill the dogs, the pressure is higher than ever.

Tia races to rescue an emaciated puppy chained to an abandoned home; a couple visit VRC in hope of finding a younger sibling for their dog; a good Samaritan needs help rescuing a stray mama dog still bleeding three weeks after giving birth.

Warden Cain unleashes the hounds when a prisoner attempts a nighttime escape; inmate Jesse wants to handle more responsibility; inmate Oliver asks permission for a wedding ceremony in Angola.

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

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

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

Wardens must be cautious as they release a trapped black bear back into the wild; they pull together all their resources to stop illegal hunting in the valley.

After a tip-off, wardens investigate poaching in dense forests and rugged terrains; other wardens monitor salmon snagging, ensuring fair play and dodging grizzly bears; tensions rise as enforcement meets nature's challenges.

Wardens uncover a crime scene while others patrol summer crowds, issuing fines for littering and DUI; amidst the chaos, Captain Jeff Darrah retires after 26 years, leaving a legacy of dedication and bravery.

Region four wardens navigate conflicting stories from locals, while region six wardens catch trespassers; ranchers help uncover illegal deer shootings, revealing a wildlife mystery as tensions rise.

Wardens come across some colorful characters when they set up a safety check along the river for boaters and rafters; the upcoming opening of the elk season leads to some hunters jumping the gun, with wardens chasing them down.

After a tip-off, wardens investigate poaching in dense forests and rugged terrains; other wardens monitor salmon snagging, ensuring fair play and dodging grizzly bears; tensions rise as enforcement meets nature's challenges.

Wardens uncover a crime scene while others patrol summer crowds, issuing fines for littering and DUI; amidst the chaos, Captain Jeff Darrah retires after 26 years, leaving a legacy of dedication and bravery.

Region four wardens navigate conflicting stories from locals, while region six wardens catch trespassers; ranchers help uncover illegal deer shootings, revealing a wildlife mystery as tensions rise.

Wardens come across some colorful characters when they set up a safety check along the river for boaters and rafters; the upcoming opening of the elk season leads to some hunters jumping the gun, with wardens chasing them down.

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

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

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.

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.

The zoo anxiously awaits the arrival of a snow leopard called K2's fourth cub; the staff is pleased when a pair of Andean condors embrace their new enclosure, while a squirmy binturong fights his annual vaccination.

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

Dr. Blue surprises his wife with a romantic wedding vow renewal in Las Vegas; a Schnauzer being boarded at the clinic needs medical help from Dr. Lavigne; Dr. Ross treats a very ornery parrot; a senior dog with a recurring eye mass.

Dr. Blue castrates five adult bulls on a vegan cattle ranch; a scary bulldozing occurs; a hen with a rough-mating injury; a young puppy is hit by a car.

Tania and Mariah make it their mission to help two puppies diagnosed with swimmer's syndrome take their first steps; Marcel rescues a stray dog trapped beneath a house; a couple from New York look for a companion to share their active lives.

Tia and Mariah join forces to surprise the family with a special gift that celebrates their unique bond; when a homeless man turns over his seven puppies, Mariah and Marcel are inspired to help others living on the streets.

Brittany Kerr, wife of country superstar Jason Aldean, wants Wayde and Brett to surprise her husband with a fish tank; the great outdoors-themed tank has to be a total secret and built before Jason returns from his tour.

Seven-foot-tall NBA star Hassan Whiteside knows a thing or two about what it means to be big; he tasks Wayde and Brett with building him a tank so big, it won't fit through the front door and has to be delivered to his Miami pad on a barge.

Snap On Tools hosts its annual convention and needs ATM's help to wow its attendees, so the company sends one of its giant tool storage chests to Vegas to get the signature tank treatment; Las Vegas restaurant Nacho Daddy wants a custom terrarium.

The Thumb, is not your ordinary gas station, this one stop shop even sells BBQ, and their renovation just won't be complete without a custom fish tank; Wayde and Brett are ready for dessert when Las Vegas' own Donut Bar calls with a plan for a tank.

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

Mike spends the day on a cricket farm, then shows never-before-seen footage of his visit to the Oasis Camel Dairy.

Mike works as an Animal Control Specialist, removing skunks and other wildlife that live around residential areas.

Mike spends the day chasing feral chickens to get them off the streets of Miami; then he answers a letter which asks about the familial bond often rooted within the jobs he does.

Mike travels to Mississippi, to spend a day at an old-fashioned stone ground corn mill; then he heads to Texas, to help relocate a pair of exotic Pere David's deer.

Mike spends the day on a cricket farm, then shows never-before-seen footage of his visit to the Oasis Camel Dairy.

Mike works as an Animal Control Specialist, removing skunks and other wildlife that live around residential areas.

Mike spends the day chasing feral chickens to get them off the streets of Miami; then he answers a letter which asks about the familial bond often rooted within the jobs he does.

Mike travels to Mississippi, to spend a day at an old-fashioned stone ground corn mill; then he heads to Texas, to help relocate a pair of exotic Pere David's deer.

Seven-foot-tall NBA star Hassan Whiteside knows a thing or two about what it means to be big; he tasks Wayde and Brett with building him a tank so big, it won't fit through the front door and has to be delivered to his Miami pad on a barge.

Snap On Tools hosts its annual convention and needs ATM's help to wow its attendees, so the company sends one of its giant tool storage chests to Vegas to get the signature tank treatment; Las Vegas restaurant Nacho Daddy wants a custom terrarium.

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.

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.

Max the Camel faces new challenges as he ages; the Zoo prepares to give an injured turkey vulture a permanent home, but after healing, there may be a change of plan; Willow the Red Panda gives birth to two baby cubs.

Terri responds to the call when Daniel, a very special wallaby, becomes severely injured and cannot walk; Robert and Chandler catch some waves before taking a road trip to pick up a new Komodo dragon; Bindi checks in on Tallbert the giraffe calf.

Dr. Blue wants a home aquarium; Dr. Ross attempts to diagnose a dog with bizarre test results; Dr. Lavigne performs knee surgery on a bulldog; a lamb has breathing problems.

Six sugar gliders turn Dr. Ross into their personal jungle gym; a young Chihuahua with atypical heart trouble; the doctors fish with a client.

Villalobos gets invited to attend their first Puppy Bowl; new parolee Spencer joins Tania on his first rescue mission; a couple from Florida visits VRC in search a dog to help heal their broken hearts.

A disabled veteran and his wife visit Villalobos to find a pair of dogs to help with his depression; Marcel and Mariah race to help a puppy in need; a rescued dog has trouble settling in, so Tia reaches out to other shelters for help.

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.

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.

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.

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.

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 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.

Nicole Moore's vacation in Cancun, Mexico, gets cut short when a shark attacks her close to shore; in Tennessee, a timber rattlesnake bites firefighter Kyle Watson while he hikes in the woods with his family.

On a dream trip in Alaska, Greg Matthews and his brothers cross paths with a grizzly bear; in Australia, Ella Murphy and her friends go surfing when a mystery assailant violently strikes her in the head.

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 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.

Nicole Moore's vacation in Cancun, Mexico, gets cut short when a shark attacks her close to shore; in Tennessee, a timber rattlesnake bites firefighter Kyle Watson while he hikes in the woods with his family.

On a dream trip in Alaska, Greg Matthews and his brothers cross paths with a grizzly bear; in Australia, Ella Murphy and her friends go surfing when a mystery assailant violently strikes her in the head.

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.

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 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.

At the zoo and the New York Aquarium, bull sea lions Clyde and Tacoma trade places to meet a new set of girlfriends; Sifaka lemurs Gemina and Andri form a new breeding pair to help their species.

More than 100 venomous snakes are taken from a private home; problems arise when two pronghorn fawns make their debut; a device is built for a Red River hog.

Chandler must handle a koala crisis, while Terri lends a hand to care for an influx of puggles; A turtle called Billy undergoes a critical surgery, and Bindi recruits Chandler and Robert to bake a special wombat birthday surprise.

Dr. Ross examines a barred owl that was hit by a car, but he hopes will fly again; the doctors also visit an animal rescue center and get close to Texas wildlife.

Dr. Blue opens up the clinic after Hurricane Harvey pours 30-plus inches of rain on the city of Houston, Texas; the doctors help animals affected by the storm, while dealing with the personal issues that Hurricane Harvey has brought to the city.

Villalobos is stretched thin when rescue calls come in one after another; a couple from rural Idaho visits the shelter; Mariah Torres and parolee Leigh help a neighbor whose dog has become too much to handle.

A family from Chicago comes to VRC hoping to find their first dog; in Assumption Parish, Tia takes in a dog that has been attacked and is near death; Earl mentors a young employee, trying to keep him out of trouble.

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

Pete builds an all-star speakeasy for basketball legend Shaquille O'Neal; the ball is in Pete's court to design a decagonal structure with a soaring 25 ft. high ceiling and extra wide stairs to accommodate Shaq and his size 22 shoes.

Dreams are coming to life in Oregon as Pete builds for Marlene, an 81-year-old woman who is finally getting one of her greatest wishes fulfilled: a treehouse; Marlene is giddy with excitement for this new adventure.

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.

The NTS team focus their chi to create a meditation space 20 feet high through twisting maples for a couple in West Seattle.

In Kentucky, Pete creates a treehouse with 17-foot-high ceilings and open-frame timber rafters, allowing a couple with a love of tree-climbing to harness up and dangle from both inside and out.

A 500 square-foot ski lodge treehouse with a stainless steel candy kitchen and wine bar, 11 feet in the air and among 14 camphor trees is the gift Santa Pete wants to give the candy and wine making Splinter family of Northern California.

Pete and his team undertake a sticky challenge and reinvent the classic single-tree treehouse; constructing a magnificent and whimsical beehive-like structure soaring 30-feet high in a majestic Douglas fir.

Pete takes on an exciting project for two tastemakers in Maine that includes a towering rooftop crow's nest and a wall of windows.

In Kentucky, Pete creates a treehouse with 17-foot-high ceilings and open-frame timber rafters, allowing a couple with a love of tree-climbing to harness up and dangle from both inside and out.

A 500 square-foot ski lodge treehouse with a stainless steel candy kitchen and wine bar, 11 feet in the air and among 14 camphor trees is the gift Santa Pete wants to give the candy and wine making Splinter family of Northern California.

Pete and his team undertake a sticky challenge and reinvent the classic single-tree treehouse; constructing a magnificent and whimsical beehive-like structure soaring 30-feet high in a majestic Douglas fir.

Pete takes on an exciting project for two tastemakers in Maine that includes a towering rooftop crow's nest and a wall of windows.

Pete builds an all-star speakeasy for basketball legend Shaquille O'Neal; the ball is in Pete's court to design a decagonal structure with a soaring 25 ft. high ceiling and extra wide stairs to accommodate Shaq and his size 22 shoes.

Dreams are coming to life in Oregon as Pete builds for Marlene, an 81-year-old woman who is finally getting one of her greatest wishes fulfilled: a treehouse; Marlene is giddy with excitement for this new adventure.

Guests: Jackson Galaxy, Nicholas Dodman, John Fulton, Karen Halligan, Dan Schachner, Matt Stopera..

The cutest dogs on the web; dogs acting like nannies to human babies; athletic dogs & chatty mutts.Guests: Nicholas Dodman, Andrea Arden, John Fulton, Karen Halligan, Luigi Francis Shorty Rossi, Dan Schachner, Matt Stopera..

A southern sea otter is rushed to the health center; the team travels to Key Largo to help coral restoration efforts; young African penguins prepare for an upcoming event; love is in the air for a trainer and his favorite sea lion pup, Scarlett.

Trainers help prepare rescued sea lions for an upcoming eye surgery.

A staff member heads to the Marine Mammal Center in California to help in rehabilitation efforts of elephant seals; African penguins Charlie and Lizzie have been together for 25 years, Charlie is having issues with his eyes; a piranha needs surgery.

The team welcomes two rescued southern sea otter pups Mara and Gibson, from the California coast; Young ruddy ducks arrive at the aquarium and are introduced to their new habitat' Nandi, the aquarium's smallest manta ray, is due for a checkup.

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. Dee's dog may have neurological damage; a horse castration becomes complicated; back at the clinic, a potential case of animal neglect may not be what it seems.

A local radio station helps Dr. Dee find a forever home for a special needs dog; cattle turns hostile during castration; Dr. Dee examines a recently awakened black bear.

Dr. Dee takes care of her mother while dealing with her busy clinic; emergency surgery on a Yorkie puppy; puppies are rescued from remote villages in the hopes of finding them homes.

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.

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

Dr. Jeff and his team 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.

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

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

Dr. Jeff performs a surgery he's never done before on a dog experiencing labored breathing; a senior canine is abandoned by its owner, and the staff must find it a new forever home; neglected ornate box turtles are saved by Dr. Baier.

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.

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

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

Dr. Jeff performs a surgery he's never done before on a dog experiencing labored breathing; a senior canine is abandoned by its owner, and the staff must find it a new forever home; neglected ornate box turtles are saved by Dr. Baier.

A local radio station helps Dr. Dee find a forever home for a special needs dog; cattle turns hostile during castration; Dr. Dee examines a recently awakened black bear.

Dr. Dee takes care of her mother while dealing with her busy clinic; emergency surgery on a Yorkie puppy; puppies are rescued from remote villages in the hopes of finding them homes.

Cats cram themselves into tight spots, hang out with unusual friends, and demonstrate their athletic abilities.Guests: Nicholas Dodman, Jackson Galaxy, Karen Halligan, Heather King, Brett Raymer, Luigi Francis Shorty Rossi, Matt Stopera..

Naughty felines are caught in the act; cute kittens attempt to mimic the actions of their human friends.Guests: Jackson Galaxy, Nicholas Dodman, Karen Halligan, Heather King, Wayde King, Luigi Francis Shorty Rossi, Matt Stopera..

Dan Cabela is joining a team of veterinarians and biologists on an ambitious capture operation to test and monitor bighorn sheep in Nevada; he hopes to understand better how the hunting community helps fund population recoveries.

With the fall of the Soviet Union, wildlife populations in Tajikistan were devastated.

Officer Canfield breaks up a 45-year-old illegal fishing tournament; Officer MacFadzen rescues an injured hawk; Officer Hannett confronts two kids riding OHRVs on the road; on Mt. Chocorua, officers rescue a woman with a fractured ankle.

Sgt. Hawks and Officer Benvenuti supervise Trainee Frye's lobster trap detail; Officer Lucas and Trainee McDermott deal with a woman illegally keeping a wild squirrel; Officer Delisle and Biologist Marchand investigate the deaths of multiple turtles.

Lt. Bill Boudreau investigates a complaint about a man illegally feeding bears; Officer Jon Demler pulls over a swerving car, only to find himself in the middle of a domestic dispute; the dive team searches for a man who may have drowned in Kingston.

Officer Canfield meets a feisty swimmer looking for a fight; anger reaches a boiling point when Officers Pushee and McKee ticket a dozen unruly ATV violators at once; as Officer McKee monitors a sleeping bear, it becomes dangerously aggravated.

An ATV accident in which a man's head has been run over; relocating a rare rattlesnake; a dog is locked inside a car; a collapsed student needs rescuing on Mount Willard.

A treacherous rescue on Mount Washington; Lt. Boudreau tracks down the owner of an abandoned vehicle; investigation of a man shooting squirrels; a bear call.

At the annual ice-fishing tournament in Washington, N.H., numerous fishermen are cited for breaking the law; Officer Canfield catches reckless snowmobilers riding without registrations then receives a call that has him rushing to the hospital.

An investigation over unattended fishing lines takes a turn when it's discovered that the fisherman was arrested for shooting his friend; over in Colebrook, a snowmobiler is confronted for riding across a landowner's property without permission.

After an abandoned barrel is discovered, Officer Hannett works with local police to see if it's related to a 20-year-old cold case regarding a missing mother and daughter.

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

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

Officers use a deer decoy to catch trespassers, seize illegally imported deer at the border during the busy hunting season, and patrol lakes to ensure safe boating practices.

Officers patrol the Detroit River during walleye season, seizing undersized fish and citing unlicensed anglers; officers check waterfowl hunters and make a late-night stop.

A conservation officer responds to an untagged deer case in District One's southern section; a hunter used his girlfriend's tag to continue hunting after tagging a deer of hisown; He's fined, and his rifle, unused tag, and deer are confiscated.

During the second elk hunting season, all harvested elk go to check stations, where conservation officers investigate kill sites; in District Three, officers analyze a successful kill, tracking blood trails in the snow for potential violations.

Officers use a deer decoy to catch trespassers, seize illegally imported deer at the border during the busy hunting season, and patrol lakes to ensure safe boating practices.

Officers patrol the Detroit River during walleye season, seizing undersized fish and citing unlicensed anglers; officers check waterfowl hunters and make a late-night stop.

A conservation officer responds to an untagged deer case in District One's southern section; a hunter used his girlfriend's tag to continue hunting after tagging a deer of hisown; He's fined, and his rifle, unused tag, and deer are confiscated.

During the second elk hunting season, all harvested elk go to check stations, where conservation officers investigate kill sites; in District Three, officers analyze a successful kill, tracking blood trails in the snow for potential violations.

An investigation over unattended fishing lines takes a turn when it's discovered that the fisherman was arrested for shooting his friend; over in Colebrook, a snowmobiler is confronted for riding across a landowner's property without permission.

After an abandoned barrel is discovered, Officer Hannett works with local police to see if it's related to a 20-year-old cold case regarding a missing mother and daughter.

In the Pacific Northwest, Jared Douglas and his logging crew risk life and limb to harvest some of the planet's most remote and valuable trees; getting these giants from the forest to market is deadly.

To make up for lost profits, Jared takes a big gamble on bringing two valuable pieces of machinery back to life after decades of neglect; handfallers Jim and Rob go toe-to-toe with a giant cedar that threatens to shut down the entire operation.

Jared moves into an abandoned logging camp, placing a $600,000 bet on a remote, dangerous site that will either sink or save his business; Ross is charged with moving the float camp ten miles deeper into the wilderness.

Drowning in debt, Jared is doing everything he can to keep his business afloat and his workers employed; when foul play threatens to sink his float camp, Jared fights back as his fallers play a game of dominos to get high-dollar trees to market.

Jared needs to move $1 million of wood down a river to market but can't find anyone brave enough to lead the journey; moving deeper into the wilderness to chase big wood, the road builders prepare a blast to gain access.

In an all-out push to turn a profit at Grizzly Camp, Jared enlists Dave to navigate $200,000 of wood down the deadly Grizzly River; fallers Chris and Jeff tackle steep terrain in search of big wood.

As fire season draws closer and threatens widespread shutdowns, Jared's feeling the heat; he races to salvage logs before it's too late; at Grizzly River, fallers Jim and Rob are called in to help clear a path to one last stand of money trees.

India's mighty Ganges, a river revered by a billion Hindus as a living goddess, faces trouble; Jeremy Wade goes on a 1,500-mile mission to investigate the problems firsthand and discover what is being done to save this holy river.

The Danube's scenic route through 10 European countries makes it a tourist magnet; poachers, invasive species and engineering projects make it one of the most endangered rivers on Earth; Jeremy Wade investigates what can be done to save it.

Overfishing, industrial pollution and the loss of iconic monster fish threatens China's Yangtze River; Jeremy Wade journeys upstream to find out if there are any fish left, and meets the heroes fighting for the future of the river.

Africa's Zambezi boasts the world's mightiest waterfall, heart-pounding rapids and man-eating crocs; from the upper reaches in Zambia to the delta in Mozambique, Jeremy investigates the threats to this mighty river.

The Mississippi faces threats on several fronts; alien invaders push out iconic native fish and vast blooms of green algae strangle life from the river; Jeremy Wade meets scientists, fishermen and leaders fighting to save the river.

The Amazon, the mightiest of all the rivers, comes under immense pressure; Jeremy Wade traces the epic migration of the dorado catfish and discovers the issues putting this great river at risk from leaking pipelines to impassable dams.

Self-styled survivalist and demolition expert Mickey Grosman leads a team of amateur explorers deep into the Amazon on a quest to cross the South American continent; a water shortage leaves one team member on the brink of death.

Mickey fires one of the team's only experienced members before enlisting a local guide to lead them through a treacherous desert; when the team gets lost and runs out of water, things spiral, leaving one team member on the brink of death.

A perilous bridge crossing exposes Mickey's crusade for good film footage before the team heads deep into the Eastern Andes; Mickey claims to have sent a team member who broke down back to civilization, but team members are unable to find him.

Mickey loses his grip on the expedition when a spear-wielding indigenous tribe kidnaps them; Mickey replaces his lead guide with an untrained woman who accuses him of having a God complex; the team stumbles into a strange community.

A near-deadly case of dengue fever almost stops Mickey before he's arrested at gunpoint and imprisoned in Brazil; three months of missing footage leads to questions about his escape and the expedition's end.

Mickey fires one of the team's only experienced members before enlisting a local guide to lead them through a treacherous desert; when the team gets lost and runs out of water, things spiral, leaving one team member on the brink of death.

A perilous bridge crossing exposes Mickey's crusade for good film footage before the team heads deep into the Eastern Andes; Mickey claims to have sent a team member who broke down back to civilization, but team members are unable to find him.

Mickey loses his grip on the expedition when a spear-wielding indigenous tribe kidnaps them; Mickey replaces his lead guide with an untrained woman who accuses him of having a God complex; the team stumbles into a strange community.

A near-deadly case of dengue fever almost stops Mickey before he's arrested at gunpoint and imprisoned in Brazil; three months of missing footage leads to questions about his escape and the expedition's end.

Africa's Zambezi boasts the world's mightiest waterfall, heart-pounding rapids and man-eating crocs; from the upper reaches in Zambia to the delta in Mozambique, Jeremy investigates the threats to this mighty river.

The Mississippi faces threats on several fronts; alien invaders push out iconic native fish and vast blooms of green algae strangle life from the river; Jeremy Wade meets scientists, fishermen and leaders fighting to save the river.

One dozen goldendoodles take over a home and a pet pig's bed; a Westie chases after her wandering twin brother; Swiss mountain puppies find their stride.

Artistic Irish terriers meet their troublesome teen brother; eight corgis help out on the farm; an Akita puppy finds her place among her three tough brothers.

The staff is hopeful for a successful breeding season when Mshango the giraffe meets the females of the herd; power tools are needed for an Amur tiger's root canal, while Louie the swan falls ill, jeopardizing his release with his partner-in-crime..

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.

Robert and Terri take to the skies to release three rescued sea turtles near the Great Barrier Reef; Bindi anxiously awaits the birth of the zoo's first tiger cub in years; Richie helps a baby wallaby in his struggle for survival.

A pit bull suffers a raccoon attack; an aggressive ferret; the vets test their pig-whispering skills at an animal rescue; the doctors have a surprise announcement for their wives.

Dr. Lavigne sees a surprise on an X-ray of one of his favorite patients; Dr. Ross flexes his exotic vet chops with a fennec fox and a kinkajou with a highly contagious infection; Dr. Blue has his hands full with a former frat house pig named Aubie.

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

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.

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.

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.

Game Warden Kegan Gould crosses paths with a rock collector and uncovers a devastating secret; a teen is caught on camera destroying protected bird nests, and an unruly crowd threatens public safety on Lake Sam Rayburn.

Region four wardens navigate conflicting stories from locals, while region six wardens catch trespassers; ranchers help uncover illegal deer shootings, revealing a wildlife mystery as tensions rise.

Wardens kick off.

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

Wardens tackle poaching, missing elk and unauthorized campers.

Wardens use new aircraft to patrol from above; on the ground, wardens experience a crazy weekend during the Yellowstone Boat Float and ensure participants comply with the law; their coordinated efforts enhance safety and order in the region.

Wardens in Region 2 respond to a TIP Mont call about a potential elk violation, conducting a detailed investigation; in Region 4, a warden assists hunters in recovering a wounded deer, ensuring proper procedures are followed.

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

Wardens tackle poaching, missing elk and unauthorized campers.

Wardens use new aircraft to patrol from above; on the ground, wardens experience a crazy weekend during the Yellowstone Boat Float and ensure participants comply with the law; their coordinated efforts enhance safety and order in the region.

Wardens in Region 2 respond to a TIP Mont call about a potential elk violation, conducting a detailed investigation; in Region 4, a warden assists hunters in recovering a wounded deer, ensuring proper procedures are followed.

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.

Game Warden Kegan Gould crosses paths with a rock collector and uncovers a devastating secret; a teen is caught on camera destroying protected bird nests, and an unruly crowd threatens public safety on Lake Sam Rayburn.

Four Neo Mastiff puppies to be guard dogs; a shy Chihuahua puppy; a litter of English Setters compete.

A lumbering Newfoundland bowls over spotted Bengal kittens; Norwegian forest cats test the water at the beach; two kittens spread love at a rescue home.

A trio of abandoned puma cubs arrives at the zoo, while the staff grows concerned that Ella, the oldest rhino, is not acting herself; a Caribbean flamingo is born at the zoo after nearly two decades, and Otto the stallion makes his debut.

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.

Dr. Lavigne performs a risky surgery on a loving pit bull with a record-breaking tumor; Dr. Ross examines a rescue pigeon turned pet; an aspiring vet student joins Dr. Blue at Cy-Fair; the doctors deal with a heartbreaking situation at the clinic.

A dog has chewed off her own tail; a reptile may need a tail amputation; Dr. Lavigne helps Sutter Butter, a cat rescued from being thrown out of a car, and is now having seizures.

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.

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.

Wayde and Brett a hired by Howie Mandel to design a tank for his production office without any guidance, because Howie cannot make up his mind.

Houston Rockets superstar Dwight Howard doesn't just want a fish tank, he also wants Wayde and Brett to build a new habitat for his two of his pet snakes.

Wayde and Brett are asked to build a simple,elegant tank for TV host and actress Sherri Shepherd; the Rugged Ridge company has tasked the crew with their most outrageous build ever.

Brett and Wayde build Seattle Seahawks running back and Super Bowl Champion Marshawn Lynch the ultimate 'Beast Mode' Tank.

Wayde and Brett participate in a group dive lesson at the Aquarium of the Pacific; later, they design a tank for international megastar David Hasselhoff; the Hoff hand picks the fish to be used.

Mike travels to Texas to help out a ranch that has and breeds different species of exotic animals including; lemurs, sloths, bearcats and camels.

Mike acts as a fugitive attempting to outsmart a team of bloodhounds and evade being captured; combating invasive species in the Florida Everglades.

Mike helps the U.S. Department of Fish & Wildlife control the sea lamprey population in the Great Lakes; Mike makes meat gel to feed to the fish in the shark reef aquarium at Mandalay Bay Casino.

Mike joins students from Purdue University who are digging through pig carcasses searching for maggots and other insects as they study what is known as PMI, or time of death.

Mike travels to Texas to help out a ranch that has and breeds different species of exotic animals including; lemurs, sloths, bearcats and camels.

Mike acts as a fugitive attempting to outsmart a team of bloodhounds and evade being captured; combating invasive species in the Florida Everglades.

Mike helps the U.S. Department of Fish & Wildlife control the sea lamprey population in the Great Lakes; Mike makes meat gel to feed to the fish in the shark reef aquarium at Mandalay Bay Casino.

Mike joins students from Purdue University who are digging through pig carcasses searching for maggots and other insects as they study what is known as PMI, or time of death.

Houston Rockets superstar Dwight Howard doesn't just want a fish tank, he also wants Wayde and Brett to build a new habitat for his two of his pet snakes.

Wayde and Brett are asked to build a simple,elegant tank for TV host and actress Sherri Shepherd; the Rugged Ridge company has tasked the crew with their most outrageous build ever.