Warden Greenway braves the elements to patrol ice fishermen; a snowmobiler runs into trouble when the warden finds he doesn't have a valid registration; wardens come across a deer hunter on opening day who doesn't have a hunting license.

Conservation officers crack down on boaters not complying with the law; a routine fishing patrol has officers tracking down over-the-limit anglers; a kayaker is reminded that lifejackets work best when worn, even when close to home.

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

Wardens ensure that snowmobilers are abiding by the law, then they help with an annual sled dog race; trespassing anglers are caught in the act while salmon fishing; bird hunters are out in force.

Warden Greenway braves the elements to patrol ice fishermen; a snowmobiler runs into trouble when the warden finds he doesn't have a valid registration; wardens come across a deer hunter on opening day who doesn't have a hunting license.

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.

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.

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

A dog named Goobs wins the RAPS team's hearts; Shadow, a Pitbull mix, has a potentially cancerous lump on his neck; Lilou the cat gets a diagnosis to explain her aggressive and unusual behavior; Karen and her team of pickers hit a jewelry jackpot.

Trust and experience are put to the test when an elephant requires delicate veterinary treatment from her keepers; endangered pink pigeons need all the help they can get to produce offspring; Monty the adorable otter needs to visit the dentist.

The team create a circus-themed enclosure for the Hazelaar family's bearded dragon, Nash; Jason helps Greg out with Emma's surprise party by bringing some of his own reptiles, but Greg might not be comfortable with Jason's pet tarantula at the party.

Greg and Lucas make clients Aaron and Karen a dinosaur-themed enclosure for a new reptile they're introducing into their growing family; with Jason and Chris' guidance, animal lover Kate picks out an affectionate blue Tegu that melts her heart.

Terri attends the exam of Charlie the tiger to determine if his tumors were successfully treated; Bindi and the Small Mammal Team help develop a vaccine for Eden the Tasmanian devil; Robert discovers the true genders of the zoo's shingleback lizards.

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.

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.

Coddingtown Center in Santa Rosa have tasked the guys with a very special tank; to kick off their new remodel, they want Wayde and Brett to make a tank that pays respects to the heroes that helped the area during the recent wildfires.

Dr. Jeff gives hope to a concerned owner when their dog is diagnosed with cancer; the team cares for a litter of abandoned kittens; Dr. Amy solves the mystery of a beloved cat's painful injury; Dr. Jeff and Hector help a rescued tiger find love.

Dr. Jeff treats a couple's cherished bloodhound puppy that won't eat; Dr. Petra races to save a cat after it swallows a handful of hair ties; Dr. Jeff and Hector head out to a veteran's ranch to help a baby therapy yak.

Dr. Jeff treats a dog with a mysterious injury; Dr. Petra helps vet tech Jes' Dalmatian after it eats something toxic; a neglected turtle needs a new home, and the team falls in love with a litter of stray kittens.

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.

Dr. Jeff performs surgeries with the help of two vet students; a tribe of fainting goats is seen by Dr. Jeff and Hector; Dr. Amy discovers why a cute and cuddly kitten is teary-eyed.

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.

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.

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 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.

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.

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.

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 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 treats a couple's cherished bloodhound puppy that won't eat; Dr. Petra races to save a cat after it swallows a handful of hair ties; Dr. Jeff and Hector head out to a veteran's ranch to help a baby therapy yak.

Dr. Jeff treats a dog with a mysterious injury; Dr. Petra helps vet tech Jes' Dalmatian after it eats something toxic; a neglected turtle needs a new home, and the team falls in love with a litter of stray kittens.

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.

A black cat with breathing problems gives the vets a run for their money; Bucky, a senior Labrador, takes a frightening turn during surgery; Lucy the Hedgehog surprises her owner with undetected health issues.

The squirrel monkeys play hard-to-get with the Children's Zoo's keepers; a pair of Komodo dragons meet for the first time, with explosive results; the Inca terns prepare for their first big flight.

Greg and Lucas visit the Moorehouse family who want an Old West saloon-themed enclosure for their first reptile; Tyrone, Jason, Chris, and Lucas have a competition to see who creates the funniest memes.

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

The family makes the annual trip to the Steve Irwin Wildlife Reserve to capture, study and release wild crocodiles, a mission started by Steve and Terri that provides research vital to the protection of Australia's apex predators.

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.

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.

MMA fighter Urijah Faber wants Wayde and Brett to create two aquariums for his new gym and wants a little bit of the ocean inside; a couple hosts a party for The Marine Aquarium Convention.

Colorado park ranger Andy Peterson is hiking when he crosses paths with a mountain lion and its prey; in Vancouver, Kari Toft is walking her dog just steps from her home when she is attacked by a vicious raccoon.

Twenty miles into a marathon in a remote part of New Mexico, Karen Williams finds herself caught between a bear and her cub; Steve Campbell is working on an oil pipeline in Alberta, Canada, when a mountain lion attacks him.

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.

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.

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.

Forrest is determined to find out if the famously reclusive Ivory Billed Woodpecker still exists; the alligator and poisonous snake infested swamps of Louisiana make for a challenging mission, but he is prepared for anything.

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

Forrest ventures home to Zimbabwe in search of the mysterious Cape lion; he and the crew navigate the African bush determined to get DNA proof, facing threats of charging rhinos and huge prides of lions.

Deep in the jungles of Colombia, Forrest is on a mission to prove the Rio Apaporis Caiman still exists. Locals believe this crocodilian resides within a lawless land inhabited by guerilla rebels, kidnappers, and deadly predators.

Forrest is determined to find out if the famously reclusive Ivory Billed Woodpecker still exists; the alligator and poisonous snake infested swamps of Louisiana make for a challenging mission, but he is prepared for anything.

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

Forrest ventures home to Zimbabwe in search of the mysterious Cape lion; he and the crew navigate the African bush determined to get DNA proof, facing threats of charging rhinos and huge prides of lions.

Deep in the jungles of Colombia, Forrest is on a mission to prove the Rio Apaporis Caiman still exists. Locals believe this crocodilian resides within a lawless land inhabited by guerilla rebels, kidnappers, and deadly predators.

Colorado park ranger Andy Peterson is hiking when he crosses paths with a mountain lion and its prey; in Vancouver, Kari Toft is walking her dog just steps from her home when she is attacked by a vicious raccoon.

Twenty miles into a marathon in a remote part of New Mexico, Karen Williams finds herself caught between a bear and her cub; Steve Campbell is working on an oil pipeline in Alberta, Canada, when a mountain lion attacks him.

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

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

A pregnant African wild dog has the staff anxiously preparing for the big day; zoo director Jim Breheny steps in to help a keeper learn how to handle a golden eagle; a new tree in Jungle World gives the gibbons a fresh world to explore.

The team create a gangster-themed enclosure for seven snakes; a Russian tortoise name Littlefoot gets a new home;. when Greg takes Kevin to the veterinarian, the results are a bit surprising.

The team come up with a bodacious "Bill & Ted's Excellent Adventure"-themed terrarium for Jay and Bean from Happy Harbor Comics; Jordan and her dad, Corrado, want a modern art piece enclosure that'll show Jordan's love for triathlons.

After months of croc wrangling training with Steve Irwin's best friend Wes, Robert, Steve's son, takes the final step in his journey to feed Graham, a huge crocodile at the zoo's famous Crocoseum.

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.

Lifestyle brand Salt Life wants an aquarium even bigger and better than the original; Wayde and Brett are asked to build a custom acrylic waterfall as part of a memorial in Las Vegas.

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.

The Lucas Lagoons team are in Siesta Key to turn an old pool into a natural lagoon that connects to a new koi pond; they also install a new aquaponics system.

When all the units at a treehouse bed-and-breakfast are booked, Pete finds a way to provide an engaged couple with a structure for their upcoming wedding and honeymoon.

An Irish family in California's Orange County desires a Celtic-themed cottage in their backyard olive tree; Pete's circular design includes a fireplace and a rainmaker.

Pete builds a Scottish-inspired treetop cottage for Scottish gardeners in Tulsa, Okla., that connects to the clients' home by way of a sky bridge.

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

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

Pete builds a Scottish-inspired treetop cottage for Scottish gardeners in Tulsa, Okla., that connects to the clients' home by way of a sky bridge.

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

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

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

The Lucas Lagoons team are in Siesta Key to turn an old pool into a natural lagoon that connects to a new koi pond; they also install a new aquaponics system.

Sam Brittain and Melanie Croce run Seal Rescue Ireland, the only seal rescue in the entire country; alongside devoted volunteers, they do everything to save and rehabilitate orphaned and injured seals so that they can return to the wild.

With the help of her two daughters and husband Phil, Donna Stepan runs Sleepy Burrow Wombat Sanctuary; she takes in a new orphaned baby in critical condition and the next 24 hours become a fight for its life.

Jeremy Wade travels to the Sepik River in New Guinea to investigate a creature suspected of taking the lives of at least two fishermen.

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

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

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

Jeremy Wade travels to Japan, searching for two legendary monsters.

Wade hunts for the Lau-lau, a creature said to swallow men whole.

Wade faces one of his greatest fears to uncover increasing missing persons cases.

Simmons, Parker and Robertson catch sportsmen who fired from inside their truck; Spahr leads the search for a missing elderly woman in York County; the dive team searches for two duck hunters presumed drowned in the Sebasticook River.

ATV driver tries to escape Sergeant Spahr and Warden Lounder; Warden Pelkey's K9 searches for hard evidence in a moose shooting; Warden MacCabe helps out a trapped great blue heron.

Warden Dudley helps an Amish family save their corn crop from a bear; Wardens Carter and McBrine hunt for a man hiding out in a cabin.

Maine's busy deer hunting season keeps the wardens on their toes; a sportsman misidentifies his target and shoots an antler-less deer; a hunter gets lost in the woods at night; feuding neighbors hamper an investigation into an illegal deer kill.

Warden Carter must track down an injured bear; Wardens search for a missing man in the woods.

A busy day finds the wardens catching smelt poachers, placing radio collars on bears, searching for a suspected home invader, and launching a search-and-rescue operation.

The wardens search for a suspect in a watercraft hit-and-run accident; a strange man arrives shortly after the Boston Marathon bombings and then vanishes after leaving a suicide note.

Mainers are out on their 4-wheelers in the spring rains where several accidents are happening and the wardens rescue a boy from a flash flood; Parker investigates ATV hit-and-run.

MacCabe investigates a disturbing campsite where people are vanishing; after a drug deal gone wrong, the wardens search for pot plants.

A busy day finds the wardens catching smelt poachers, placing radio collars on bears, searching for a suspected home invader, and launching a search-and-rescue operation.

The wardens search for a suspect in a watercraft hit-and-run accident; a strange man arrives shortly after the Boston Marathon bombings and then vanishes after leaving a suicide note.

Mainers are out on their 4-wheelers in the spring rains where several accidents are happening and the wardens rescue a boy from a flash flood; Parker investigates ATV hit-and-run.

MacCabe investigates a disturbing campsite where people are vanishing; after a drug deal gone wrong, the wardens search for pot plants.

ATV driver tries to escape Sergeant Spahr and Warden Lounder; Warden Pelkey's K9 searches for hard evidence in a moose shooting; Warden MacCabe helps out a trapped great blue heron.

Warden Dudley helps an Amish family save their corn crop from a bear; Wardens Carter and McBrine hunt for a man hiding out in a cabin.

Bear trainer Jeff Watson embarks on a mission to teach his captive, 700-pound grizzly bears, Bob and Screech, how to survive in the deep wild.

Bob and Screech learn how to feed themselves, to Jeff's delight; how to den up for the winter; the grizzlies get territorial.

Colorado park ranger Andy Peterson is hiking when he crosses paths with a mountain lion and its prey; in Vancouver, Kari Toft is walking her dog just steps from her home when she is attacked by a vicious raccoon.

Twenty miles into a marathon in a remote part of New Mexico, Karen Williams finds herself caught between a bear and her cub; Steve Campbell is working on an oil pipeline in Alberta, Canada, when a mountain lion attacks him.

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.

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.

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.

Forrest is determined to find out if the famously reclusive Ivory Billed Woodpecker still exists; the alligator and poisonous snake infested swamps of Louisiana make for a challenging mission, but he is prepared for anything.

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

Texas game wardens go on alert after a massive flash flood; game wardens rush to a gas station that could explode; a patrol through the Rio Grande leads to an unexpected encounter; game wardens investigate an illegally killed hawk.

Texas Game Warden Benny Richards is committed to conserving Texas wildlife; Game Warden Albert Flores enforces fishing laws; Game Warden Jennifer Provaznik schools anglers; Game Warden Jayme Deschaaf makes sure dove hunters follow the laws.

The game wardens' marine team searches a foreign cargo vessel in the Gulf of Mexico; a man gets suspected of poaching 15 deer out of season; the game wardens discover a large marijuana growing operation outside of Dallas.

Officers scramble to save passengers of a capsized boat; confront a suspect on drug related charges; a dead sturgeon floating on the Columbia River is investigated; local tribe makes good use of a bear carcass.

Officers protect orca whales, a mother hen and her ducklings; showdown with a repeat offender; drunk driver is arrested; black market shrimp trafficker is taken down.

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.

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 Golie and Logan investigate the curious case of a dead deer; a young hunter eyes the moose of his dreams; warden Kambic tries to keep the peace between several hunters when an elk is shot against regulations.

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.

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 Golie and Logan investigate the curious case of a dead deer; a young hunter eyes the moose of his dreams; warden Kambic tries to keep the peace between several hunters when an elk is shot against regulations.

Texas Game Warden Benny Richards is committed to conserving Texas wildlife; Game Warden Albert Flores enforces fishing laws; Game Warden Jennifer Provaznik schools anglers; Game Warden Jayme Deschaaf makes sure dove hunters follow the laws.

The game wardens' marine team searches a foreign cargo vessel in the Gulf of Mexico; a man gets suspected of poaching 15 deer out of season; the game wardens discover a large marijuana growing operation outside of Dallas.

Charlie scrambles to secure his first big kill and rebuild his trap lines; Heimo's daughter, Krin, and her family arrive in the refuge, but they're tested immediately when their cabin turns out to be uninhabitable; Bob struggles with his health.

Tracking a caribou herd, Heimo's daughter, Krin, and her husband, Scott, are out to prove they can make it in the refuge; Tyler and Ashley look to make a major improvement by adding running water to their cabin.

The loss of Bob Harte is felt across the Refuge; Heimo boats to Bob's cabin to bring Bob's possessions to his family; Charlie recovers his father's shotgun from a hidden survival cache and hunts small game; Edna prepares caribou head.

Moose season opens; as Charlie looks for a kill, he realizes he's being stalked by a bear; Heimo takes Krin to his best moose territory; Tyler takes to the skies to assess the fire damage.

As winter closes in, Tyler is on a desperate hunt to get a moose that can feed his family; with the river freezing over, Heimo and Scott race to get his boat off the water; Bob's daughter and ex-wife return to his cabin to honor his memory.

With temperatures plummeting, Heimo pushes into the Arctic, desperate to get a moose for winter; Charlie and Tyler look to start their trapping seasons but must overcome devastating fire damage on their trap lines.

With no meat for winter, Heimo is desperate to run his trap line, but he has no choice but to hunt for moose; Krin discovers that a wolf pack is hunting on her trap line; Tyler and Ashley work together to make the most of a recent moose kill.

Heimo tests his trapping skills on both land and water to outsmart one of his favorite catches, beaver; Scott puts lessons learned to the test as he tracks marten; Tyler's plan to run his sled dog team is threatened when the pack turns on each other.

Scrambling to finish the trapping season, Heimo discovers the best catch of the season, a wolf; Charlie walks in a legend's footsteps as he works the trap lines Bob left him; Tyler gets the hunting cabin ready for next season.

An Arctic storm slams the fleet, which is already reeling from the closure of king crab season; Johnathan sets pots deeper than ever before; Sig struggles to launch his Norwegian operation; a deckhand fights for life on the Patricia Lee.

With his deckhand crushed by pots, Capt. Rip charges into the Arctic storm to attempt one of the riskiest USCG helicopter rescues in recent history; John fights to save the Time Bandit at anchor; Sig takes his first Norwegian rogue wave.

Sig struggles with a Norwegian crewman who thinks he knows more than the captain; Capt. Wild Bill fights to save his boat from the rocky Norwegian coastline with a line snarled in his propeller; Keith's greenhorn faces a violent brush with death.

When Shyanne discovers a serious breach on the Saga, Jake and his crew scramble to save it from capsizing; in Norway, Sig drops pots on Russia's western line; as canneries close their doors, Josh and Casey call in a last-minute favor from Johnathan.

Sig scrambles to get home for Bairdi and Mandy's baby as his crew finds a honey hole of Russian king crab; the typhoon catches Shane, Josh's brother, on the Cornelia Marie; Rip faces a crisis when a greenhorn collapses unconscious.

Johnathan searches for a pot of golden kings at the end of a double rainbow; a medical mystery confounds Capt. Rip when his greenhorn regains consciousness on the Patricia Lee; Keith partners with Josh and Casey until John steps in.

Johnathan sets mile-deep pots and pulls up an unknown species; Jake faces reality when his niece, Shyanne, gets injured on the Saga; Clark takes the helm in Sig's wheelhouse to help tank the Hansen family Bairdi quota.

Mandy breaks news of a pregnancy complication, forcing Sig and Clark to reconsider their decision to keep fishing; Jake teams up with Rip Carlton in deep waters, but powerful Aleutian tidal currents unexpectedly shift Jake's string.

Jake and his niece set pots on the same waters their ancestor fished in the 1930s; Johnathan risks losing his entire live catch when the Time Bandit ventures into fresh water; Josh experiments with glow sticks to attract crabs at the darkest depths.

Johnathan searches for a pot of golden kings at the end of a double rainbow; a medical mystery confounds Capt. Rip when his greenhorn regains consciousness on the Patricia Lee; Keith partners with Josh and Casey until John steps in.

Johnathan sets mile-deep pots and pulls up an unknown species; Jake faces reality when his niece, Shyanne, gets injured on the Saga; Clark takes the helm in Sig's wheelhouse to help tank the Hansen family Bairdi quota.

Mandy breaks news of a pregnancy complication, forcing Sig and Clark to reconsider their decision to keep fishing; Jake teams up with Rip Carlton in deep waters, but powerful Aleutian tidal currents unexpectedly shift Jake's string.

Jake and his niece set pots on the same waters their ancestor fished in the 1930s; Johnathan risks losing his entire live catch when the Time Bandit ventures into fresh water; Josh experiments with glow sticks to attract crabs at the darkest depths.

With his deckhand crushed by pots, Capt. Rip charges into the Arctic storm to attempt one of the riskiest USCG helicopter rescues in recent history; John fights to save the Time Bandit at anchor; Sig takes his first Norwegian rogue wave.

Sig struggles with a Norwegian crewman who thinks he knows more than the captain; Capt. Wild Bill fights to save his boat from the rocky Norwegian coastline with a line snarled in his propeller; Keith's greenhorn faces a violent brush with death.

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

Dr. Vasilescu navigates a rescue dog's heart murmur after also showing signs of dental discomfort; Dr. Schwartz attempts to uncover the reason behind a cat's ear pain after losing part of his tail to frostbite.

When keepers introduce two tigers as potential mates, the process proves bumpy; a pair of African porcupines arrive at the zoo, requiring delicate handling; a pregnancy check on a 3,000-pound rhino necessitates some highly specialized equipment.

Spring has sprung in Michigan, and Barn Sanctuary prepares to open the pastures; Dan and Kelley head to Iowa to rescue a lamb called Ginger who is in need of major medical attention, and Dan's twin Chris is home and ready to be put to work.

Chris experiences his first rescue and saves two goats called Hugo and Emmy who are in need serious medical attention; Joey the calf returns after a series of surgeries, and Lola the kid goat is surprised with a prosthetic.

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.

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.

NFL player Clay Matthews and his wife, Casey, are building their dream home and want a classy tank with subtle references to his career with the Green Bay Packers.

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.

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.

Game Warden Boone responds to a venomous rattlesnake; game wardens investigate the illegal killing of a goose in the Texas Panhandle; Game Wardens follow up on a tip about a man going over the fishing limit.

Boone checks in with a landowner who found an injured kingfisher bird; Gould and Hickerson work with border patrol agents to locate drug smugglers crossing the Rio Grande River; Amundson and Poole patrol the popular fishing spots of Corsicana.

Adventurous deer get caught in a school bathroom, and wardens are tasked with getting them out safely. A bear is shot too close to an occupied building, and the owner wants wardens to prosecute the hunter. Students come face-to-face with sea lamprey.

Wardens have to commandeer hunting tags and harvested animals when hunters are caught not following regulations. An angler who repeatedly violated regulations is confronted. A warden finds hunters on the verge of illegally baiting.

A hunter insists he's searching for coyotes when he's caught using an unauthorized gun; officers track down a man who killed a deer first and bought his license later; hunters raise concern when they're too close to houses.

A warden checks on a hunter he suspects may be illegally baiting deer; a warden tracks down hunters using blinds on state land and finds they aren't quite abiding by the law; wardens enforce the law with anglers on the Detroit River.

Adventurous deer get caught in a school bathroom, and wardens are tasked with getting them out safely. A bear is shot too close to an occupied building, and the owner wants wardens to prosecute the hunter. Students come face-to-face with sea lamprey.

Wardens have to commandeer hunting tags and harvested animals when hunters are caught not following regulations. An angler who repeatedly violated regulations is confronted. A warden finds hunters on the verge of illegally baiting.

A hunter insists he's searching for coyotes when he's caught using an unauthorized gun; officers track down a man who killed a deer first and bought his license later; hunters raise concern when they're too close to houses.

A warden checks on a hunter he suspects may be illegally baiting deer; a warden tracks down hunters using blinds on state land and finds they aren't quite abiding by the law; wardens enforce the law with anglers on the Detroit River.

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.

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.

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.

Surgery on a silverback gorilla's broken canine reveals a more serious medical issue; love develops between two birds-of-paradise; dozens of venomous tarantulas keep the staff on their toes.

A cow called Buttercup comes to Barn Sanctuary, but the team is concerned about her feisty behavior toward the rest of the herd; Ginger the lamb battles a life-threatening infection, and Bart the rowdy rooster is in need of a vet visit.

Dan heads to Chicago to give cockfighting roosters a second chance; then the crew worries if DJ the cow's unruly behavior will be welcomed by the rest of the herd.

The Australia Zoo's alligator snapping turtles need a health check, and it's Robert's job to protect from their fierce bites; Terri and Bindi welcome seven new lemurs from the United States; the Rescue Unit must save possums caught in a chimney.

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.

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

Wayde and Brett recall their favorite projects from the first season and share never-before-seen footage.

The team learns that Wayde has a crush on Betty White when the guys create an animal-themed aquarium for her and the Morris Animal Foundation; a local company wants a smartphone-themed tank with a working touch screen.

Weight restrictions throw a wrench in Brett and Wayde's plans to build a Zen-like fish tank for comedian Bill Engvall's new office in Hollywood.

Basketball legend Dwight Howard returns to the ATM crew for a habitat large enough to house all 14 of his snakes.

Wayde and Brett build a pair of vintage bus inspired tanks for standup comedian Gabriel 'Fluffy' Iglesias' newly remodeled office.

Ethel M Chocolate Factory in Henderson, Nev., gears up for its annual Holiday Cactus Lighting event and tasks Wayde and Brett with building the ultimate holiday tank; Heather surprises Wayde with a gift.

Latin music star Prince Royce wants a custom aquarium for his Miami mansion.

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.

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

Ethel M Chocolate Factory in Henderson, Nev., gears up for its annual Holiday Cactus Lighting event and tasks Wayde and Brett with building the ultimate holiday tank; Heather surprises Wayde with a gift.

Latin music star Prince Royce wants a custom aquarium for his Miami mansion.

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.

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

The team learns that Wayde has a crush on Betty White when the guys create an animal-themed aquarium for her and the Morris Animal Foundation; a local company wants a smartphone-themed tank with a working touch screen.

Weight restrictions throw a wrench in Brett and Wayde's plans to build a Zen-like fish tank for comedian Bill Engvall's new office in Hollywood.

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.

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

Cardiologists try to determine why the geladas are experiencing a life-threatening heart condition; Nile crocodiles are shifted off exhibit for a maintenance project; the elephant shrews are breeding.

As summer arrives, the team hosts a carwash fundraiser to help the cows and donkeys receive medication; a covert mission to save KJ, an injured goat kid; and a donkey called Mary Pete needs medical attention.

The sanctuary welcomes a blind goat called Charlie and two lovable ducklings that need help to learn how to swim; a tussle between pigs June and Jasper ensues during routine tusk and nail trimming, while Ginger the goat embraces her new prosthetics.

Rosie the giraffe is ready to give birth; Robert has a bloody encounter with a wild python that has entered an enclosure; Terri helps the keepers wrangle Chief the Tasmanian devil.

Tia's dream of relocating becomes a nightmare as fate turns against her; a call from the former owner of one of Villalobos' most aggressive dogs leads to the ranch's most emotional reunion yet.

Tia decides to hire new parolees, but one parolee may blow his chance at redemption on the first day; shocking news about one of Villalobos' most beloved dogs, Creature, threatens to end his chances of being adopted.

Comic Tracy Morgan wants to be able to swim with his massive sharks, so he wants the guys to tank his entire pool house; a local car dealership wants a new tank in its showroom to make a big splash.

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.

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.

On family trip to the Canadian wilderness, 12-year-old Zac Delventhal is dragged from his sleeping bag by a hungry wolf; while swimming in the Pacific Ocean, Maria Korcsmaros is attacked by a great white shark.

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.

The southern Rocky Mountain wolf hasn't been seen in almost 80 years, but recent cattle attacks spark the possibility that is still exists; trekking high into the Sierras, Forrest is determined to bring it out of hiding.

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.

The southern Rocky Mountain wolf hasn't been seen in almost 80 years, but recent cattle attacks spark the possibility that is still exists; trekking high into the Sierras, Forrest is determined to bring it out of hiding.

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.

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.

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.

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

Iray, a red ruffed lemur, is rushed to the health center when keepers discover a wound on its leg; a new exhibit is built for the Pallas' cats, the original grumpy cats; seven baby turtles join the zoo's colony of an endangered species.

The barn partners with Michigan Humane Society to find forever homes for four neglected calves; they also welcome a litter of piglets, and Chris is tasked to build a playground for the goats.

A cow called Dwight is ready to conquer his pain from a leg injury and heads to Indiana for hydrotherapy; Lola the goat is gifted with a prosthetic and is ready to walk again, while Dan takes in over a dozen exotic farm animals.

Terri welcomes Mballa, a new cheetah cub from South Africa, to the Australia Zoo family; Robert sets out to save a stranded platypus and Bindi prepares to meet Bert the Koala Joey as he emerges from his mother's pouch for the first time.

Tia and the twins hit the road after she receives back-to-back calls for help from the South; after helping an army veteran with a new litter of puppies, the team find themselves on a wild chase after an injured dog through Jackson, Miss.

Tia sends Jake and Armando on a rescue mission to Texas after hearing about two pit bulls who were wounded in a run-in with a porcupine; when a second story about a dog on death row comes in, the guys need to kick it into high gear.

ATM builds a SmileMore aquarium for YouTube superstar Roman Atwood; but a shop prank almost tanks the whole project.

The Lucas Lagoons crew crafts a bayside paradise for a couple with a home in Snead Island, Fla.; Lucas is frustrated by the challenge of building an outdoor living space without any of his signature rockwork.

Lucas brings in massive rocks to turn a dull patio pool into a stunning, natural atrium while also remodeling it to make it child safe.

Lucas turns a landlocked backyard into a Caribbean destination; when the clients demand that he uses specific materials to create a tropical oasis with a sand bottom and saltwater pool, a battle of wills ensues.

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.