Officer Canfield responds to a call about an orphaned bear cub; Sgt. Lucas pays an unexpected visit to a hunter suspected of illegal baiting; Officer Cyrs investigates a large buck shot by a young, nervous hunter during muzzle-loader season.

Investigating a man who shot someone while hunting illegally; a porcupine is wreaking havoc; a seriously ill hiker is trapped on Mount Garfield.

Fun facts and trivia about Australian shepherds, Xoloitzcuintlis, Korthals Griffons, Pekingese and Chesapeake Bay retriever.

Facts and trivia about Bernese mountain dogs, Afghan hounds, Portuguese water dogs, Cairn terriers and Alaskan malamutes.

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 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.

Deep in the jungles of Madagascar, Bradley and Billy discover a creature unlike anything else on Earth: the tomato frog; in their mobile lab they discover the frog's astonishing abilities, from a toxic force field to a self-inflating body.

In the arid scrub-land of Tinaja, N.M., Bradley and Billy track down the giant scolopendra centipede; armed with venomous claws, it's a relentless killer.

Jackson must rescue two cats from their cycle of co-dependency before they're kicked out of their owner's house; Jackson is introduced to a couple who shelters four special need felines and a man who struggles with his frisky feline.

Jackson rehabilitates a cat who is tortured by fear and is aggressive toward her tail; Jackson is introduced to a pair of owners whose cat is constantly knocking things over, climbs up window screens and spontaneously attacks.

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.

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.

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

Wade teams up with a local tribe to solve three mysterious deaths in three different South American countries.

The rivers of Guyana may host a real freshwater mermaid that the locals call the Water Mama.

Dr. Jeff battles to fix a German shepherd's broken elbow and get him back to his worried owner, a disabled war veteran; a cat with a swollen bladder needs difficult surgery to save its life; Drs. Baier and Hector head to an exotic bird sanctuary.

A boxer kicked in the head by a horse requires urgent surgery to repair its skull; Dr. Jeff helps a woman with a rapidly expanding feral cat colony in her backyard; Dr. Baier preps for delicate surgery on a beloved ferret with a facial growth.

Wildlife expert Forrest Galante explores the rescue and rehabilitation at Vantara, a world-class sanctuary; discover how the wildlife there are saved from captivity, conflict, neglect, and are given a second chance at life.

At Vantara, Forrest witnesses King Cheetah race freely across a stadium-sized field. He marvels as an Orangutan enjoys cake, and nature shows to celebrate his birthday. Through these moments, it's clear that the animals at Vantara are living with joy.

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

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

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

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

Wildlife expert Forrest Galante explores the rescue and rehabilitation at Vantara, a world-class sanctuary; discover how the wildlife there are saved from captivity, conflict, neglect, and are given a second chance at life.

At Vantara, Forrest witnesses King Cheetah race freely across a stadium-sized field. He marvels as an Orangutan enjoys cake, and nature shows to celebrate his birthday. Through these moments, it's clear that the animals at Vantara are living with joy.

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

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

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

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

Wade teams up with a local tribe to solve three mysterious deaths in three different South American countries.

The rivers of Guyana may host a real freshwater mermaid that the locals call the Water Mama.

Facts and trivia about border collies, Chinese cresteds, English mastiffs, Italian greyhounds and Lhasa Apsos.

Labradoodle, puggle, chiweenie, goldendoodle, cavachon, and the chorkie.

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.

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.

Bradley and Billy track down and test the abilities of the armadillo girdled lizard, a heavily armored omnivore with a serious bite, when threatened, this micro dragon curls up into a spiky ball reminiscent of a medieval mace.

Bradley and Billy are recruited to capture an escaped sugar glider, a cute Australian marsupial that's running amok in California, but as they test the alien's abilities, the cuddly creature's predatory skills prove that looks can be very deceiving.

Jackson helps a woman overcome fears of her cat's violent behavior; Jackson is introduced to a family afraid to furnish their home because the cat they rescued from Katrina stricken New Orleans is dividing the family.

Jackson transforms the life of a woman who's been feeding a colony of feral cats in her neighborhood. He is also introduced to a pair of hairless Donksoy cats who are treating their guardian's home like it's a party zone.

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.

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

Michigan conservation officers monitor elk hunters across early and late seasons; a blind hunter secures a prized bear tag with help from a group of kids and veterans; officers patrol snowmobilers and ice anglers braving frigid conditions.

Officers safeguard waterfowl, patrol ice fishers and snowmobilers; they also monitor off-road vehicle activity; the Department of Natural Resources relocates a historic lakeside building from an eroding bluff.

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

Set against Nevada's rugged landscapes, Nevada Wild follows the state's dedicated game wardens and wildlife biologists as they protect natural resources, enforce hunting and fishing laws, and respond to high-stakes wildlife emergencies.

Kari Huebner leads a daring moose-collaring mission with Nate Leue, while Nick Brunson makes a gut-wrenching call on an injured deer; in the desert, John Anderson responds to a remote car crash, and Ben Turner tracks a poacher off the grid.

Set against Nevada's rugged landscapes, Nevada Wild follows the state's dedicated game wardens and wildlife biologists as they protect natural resources, enforce hunting and fishing laws, and respond to high-stakes wildlife emergencies.

Set against Nevada's rugged landscapes, Nevada Wild follows the state's dedicated game wardens and wildlife biologists as they protect natural resources, enforce hunting and fishing laws, and respond to high-stakes wildlife emergencies.

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

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

Set against Nevada's rugged landscapes, Nevada Wild follows the state's dedicated game wardens and wildlife biologists as they protect natural resources, enforce hunting and fishing laws, and respond to high-stakes wildlife emergencies.

Set against Nevada's rugged landscapes, Nevada Wild follows the state's dedicated game wardens and wildlife biologists as they protect natural resources, enforce hunting and fishing laws, and respond to high-stakes wildlife emergencies.

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

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

Officers safeguard waterfowl, patrol ice fishers and snowmobilers; they also monitor off-road vehicle activity; the Department of Natural Resources relocates a historic lakeside building from an eroding bluff.

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

Facts about the puli, Thai ridgeback, Lagotto Romagnolo, Peruvian Inca orchid, New Guinea singing dog, and the Karelian bear dog.

Facts and trivia about breeds that some would call ugly.

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.

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.

The team heads to South Africa to track down the Cape mole rat, a mammal with a vicious bite; Bradley and Billy test the mole rat's bite force, incredible senses and supreme digging ability to reveal why it is king of the dirt.

Combing through Californian scrubland, the team locates a rugged insect with a secret weapon: the bombardier beetle, armed with a toxic, boiling fart, the tiny bombardier beetle is nature's ultimate chemical weapon.

Jackson encounters a woman who fears her cat to the point where she keeps him in a box outside her home. He also travels to Brooklyn to try and salvage the relationship between a couple constantly feuding over their two felines.

Jackson visits New York City to meet a father and son who've been taking care of a feral cat colony in their backyard and are desperately in need of help. He also lends his expertise to a couple who are dealing with an antisocial cat.

Kenani and Moe celebrate their birthday by converting a home in the swamps to a dog sanctuary; when one of Villalobos' beloved dogs gets unexpected news, Tia is determined to have him live out his days with the twins.

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

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.

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.

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

High in the mountains, over 10,000 feet up, an unlikely champion stands: the whitebark pine. This resilient tree sustains life, providing food and shelter for animals like the grizzly bear, red squirrels, and more.

Following the three key predators of the Yellowstone ecosystem: the wolf, red fox and coyote.

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

High in the mountains, over 10,000 feet up, an unlikely champion stands: the whitebark pine. This resilient tree sustains life, providing food and shelter for animals like the grizzly bear, red squirrels, and more.

Following the three key predators of the Yellowstone ecosystem: the wolf, red fox and coyote.

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

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.

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.

The Tonkinese, Nebelung, Serengeti, Korat, RagaMuffin and the Toyger; adventurous furballs in it for the long haul.

Inside Bambino, Pixie Bob, Australian Mist, Domestic Longhair, Cats Gone Wild, Cheetoh and Napoleon.

A team tests the problem-solving skills of lions against those of snow leopards; Willow, a young red panda, is having mysterious foot problems; the bird department awaits the gender reveal of two new adjutant stork chicks.

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.

In the Madagascan rainforest, the team searches for a nearly invisible creature called the panther chameleon; when they test the reptile, its incredible 360-degree vision, phenomenal grip strength and deadly tongue strike are all deadly.

A difficult search of the Madagascan forest floor reveals the lowland tenrec, an animal that often tunnels underground and is loaded with ultra-sharp senses and defenses.

Jackson helps a cat who struggles to get along in his rescue home but is hopeful that the right foster family is in his future. He also meets an inspiring feline who overcame a heart condition and has gained internet fame.

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.

Tia addresses her lazy parolees, which leads to a fiery confrontation with Randy; a strange-looking dog is rescued from the searing heat.

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.

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

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

Paul and Jimmy are faced with dual problems and create a solution for both.

Paul struggles to keep up with calls when Ashley leaves to work with tigers and Jimmy takes time off for the restaurant.

Gators must be removed from a water station so divers can safely go make repairs; Tre's shocking new trick may be his last.

The boys look back at their fondest and most dangerous mishaps in Mississippi including the time they helped the Gulf Coast Gator Ranch capture over 200 gators or the first gator they caught named Petsy or the time...

The Gator Boys do their best to rescue giant alligator Moby Dick before hunting season begins.

Reviewing the Gator Boys' most polarizing moments and closest calls from the wild Florida Everglades to the untamed Mississippi bayous.

Jimmy causes major friction with Paul by buying a restaurant while they are already stretched thin by road shows and a new juke joint.

The boys look back at their fondest and most dangerous mishaps in Mississippi including the time they helped the Gulf Coast Gator Ranch capture over 200 gators or the first gator they caught named Petsy or the time...

The Gator Boys do their best to rescue giant alligator Moby Dick before hunting season begins.

Reviewing the Gator Boys' most polarizing moments and closest calls from the wild Florida Everglades to the untamed Mississippi bayous.

Jimmy causes major friction with Paul by buying a restaurant while they are already stretched thin by road shows and a new juke joint.

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

Paul and Jimmy are faced with dual problems and create a solution for both.

American Curl kittens prepare for life on the catwalk, a set of Tonkinese run circles around mum, and a Maine Coon tries to show who's boss.

Meet the Turkish Van, Snowshoe, Chartreux, Bengal, Domestic Housecat, Fat Cats, and Balinese.

The Georgia Aquarium sends a team to Cape Town, South Africa, to help rehabilitate and release a group of African penguins into the wild; a dive team installs a shipwreck feature into an exhibit to provide enrichment for their sea turtle.

Two African penguins, Freya and Neo, welcome a young chick, but there's cause for concern when health problems arise; staff work to train a trio of harbor seals to ride the elevator, with the only hiccup being a nervous seal named Floyd.

Wade comes face-to-face with one of South America's greatest freshwater fighting fish.

Wade is on the hunt to find out what was behind the Sobral Santos attack on the Amazon River, where more than 200 passengers were killed on a pitch-black night.

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

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

Memphis Grizzlies basketball star Zach Randolph contacts Tia about a dog that was rescued from a drainpipe; Mariah and Earl ready a puppy for adoption.

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

Tia addresses her lazy parolees, which leads to a fiery confrontation with Randy; a strange-looking dog is rescued from the searing heat.

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.

Wildlife expert Forrest Galante explores the rescue and rehabilitation at Vantara, a world-class sanctuary; discover how the wildlife there are saved from captivity, conflict, neglect, and are given a second chance at life.

Wildlife expert Forrest Galante explores the rescue and rehabilitation at Vantara, a world-class sanctuary; discover how the wildlife there are saved from captivity, conflict, neglect, and are given a second chance at life.

At Vantara, Forrest witnesses King Cheetah race freely across a stadium-sized field. He marvels as an Orangutan enjoys cake, and nature shows to celebrate his birthday. Through these moments, it's clear that the animals at Vantara are living with joy.

Forrest visits Vantara to see efforts securing a future for rare species; he joins a cheetah feeding circle, meets newborn cubs and follows a once orphaned sun bear called Prince.

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.

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.

At Vantara, Forrest witnesses King Cheetah race freely across a stadium-sized field. He marvels as an Orangutan enjoys cake, and nature shows to celebrate his birthday. Through these moments, it's clear that the animals at Vantara are living with joy.

Forrest visits Vantara to see efforts securing a future for rare species; he joins a cheetah feeding circle, meets newborn cubs and follows a once orphaned sun bear called Prince.

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.

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.

Tia addresses her lazy parolees, which leads to a fiery confrontation with Randy; a strange-looking dog is rescued from the searing heat.

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.

Unusual kinds of dogs including an amazingly bright Briard that can ride a scooter, wipe his face and count, and the Japanese Chin, that likes to spin and sneezes backwards.

Meeting unusual kinds of dogs, including the gentle Borzoi, which is trained to help war veterans suffering from post-traumatic stress disorders.

Jenna and Sean are joined by resident elephants and a meerkat in an experiment -- using the animals' sense of smell to discover whether the African puff adder, one of the world's deadliest predators, is truly odorless.

Emily anesthetizes a cheetah; Will bonds with rhino orphan Arthur; Emma has her hands full with a troop of mongooses.

There's a new arrival for Josie at the Vervet Monkey Foundation, catching up with eight-week-old Hector the hippo, and Alison is on a mission to tag a great white shark. Emily and Annie are called in to help a white rhino with a nasty horn injury.

It's vaccination day at the rhino sanctuary, and Rachel is worried about the orphan hawk, who has an eye infection; on the Eastern Cape, vet Emily is called to help four young sable antelopes who are being bullied by an older dominant male.

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

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

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

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

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

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

When a Golden Retriever's tastes go off the beaten track Dr. G's skills must be rock-solid; Captain the three-legged cat's appetite proves to be as unique as his form; Dr. G's furry family brings a special inspiration to his work and life.

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

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

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

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

A canine with a stomach full of forbidden snacks socks it to Dr. G; a fellow member of the veterinary community fears her dog's symptoms might be due to an off-menu meal, or something worse.

Rocky, a mixed-breed canine suspected of scarfing a purse, deals Dr. G unexpected side dishes; a puppy with a troubled tummy is a head-scratching case from beginning to end.

Dr. Dee has to be careful when she visits a ranch to check on a pack horse named Red; Dr. Terry and Nicole head to a remote clinic; dog has a mass that appears to be cancerous.

Dr. Dee flies to a remote clinic in Healy; tumors found on dog getting spayed; Dr. Dee readies Nugget the Bull to breed; Dr. Terry is surprised while giving six kittens their shots.

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

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

A canine with a stomach full of forbidden snacks socks it to Dr. G; a fellow member of the veterinary community fears her dog's symptoms might be due to an off-menu meal, or something worse.

Rocky, a mixed-breed canine suspected of scarfing a purse, deals Dr. G unexpected side dishes; a puppy with a troubled tummy is a head-scratching case from beginning to end.

Dr. Dee has to be careful when she visits a ranch to check on a pack horse named Red; Dr. Terry and Nicole head to a remote clinic; dog has a mass that appears to be cancerous.

Dr. Dee flies to a remote clinic in Healy; tumors found on dog getting spayed; Dr. Dee readies Nugget the Bull to breed; Dr. Terry is surprised while giving six kittens their shots.

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

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

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

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

A canine with a stomach full of forbidden snacks socks it to Dr. G; a fellow member of the veterinary community fears her dog's symptoms might be due to an off-menu meal, or something worse.

When a child is thrown from a boat and badly injured, wildlife agents are first on the scene. A night hunter faces multiple felony charges when agents make a grave discovery, agents confront a jet ski rider who risks drowning and gets belligerent.

A suspicious man fleeing on the levee after dark puts wildlife agents in danger. A first-time bowhunter could lose his kill over a major violation, and agents question a duck hunter with an attitude who seems to be hiding something.

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.

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.

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.

In the dark of the night, Officers Hannet and Masucci rush to the aid of an injured hiker trapped on Mount Monadnock; Lt. Cheney and Officer Jones patrol the Hooksett Dam, where river herring are spawning; a bear causes chaos.

When a reckless UTV strikes Officer Holmes from behind, Officer Mancini helps him seek medical treatment while handling the crime scene; a car accident kills a doe leaving two twin fawns vulnerable, and firecrackers give a veteran intense flashbacks.

High in the mountains, over 10,000 feet up, an unlikely champion stands: the whitebark pine. This resilient tree sustains life, providing food and shelter for animals like the grizzly bear, red squirrels, and more.

Following the three key predators of the Yellowstone ecosystem: the wolf, red fox and coyote.

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

The upcoming opening of elk season leads to some hunters jumping the gun, with wardens chasing them down; Warden Lesofski tracks down hunters riding their ATV through farmers' crops; Golie races to find a hunter disobeying a landowner's rules.

A warden follows the trail to locate a mysterious group of hunters; a warden makes memories to last a lifetime when he draws a coveted mule deer tag; wardens catch illegal hunters in the act during the bighorn sheep and archery elk-hunting seasons.

The upcoming opening of elk season leads to some hunters jumping the gun, with wardens chasing them down; Warden Lesofski tracks down hunters riding their ATV through farmers' crops; Golie races to find a hunter disobeying a landowner's rules.

A warden follows the trail to locate a mysterious group of hunters; a warden makes memories to last a lifetime when he draws a coveted mule deer tag; wardens catch illegal hunters in the act during the bighorn sheep and archery elk-hunting seasons.

High in the mountains, over 10,000 feet up, an unlikely champion stands: the whitebark pine. This resilient tree sustains life, providing food and shelter for animals like the grizzly bear, red squirrels, and more.

Following the three key predators of the Yellowstone ecosystem: the wolf, red fox and coyote.

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

Naughty felines are caught in the act; cute kittens attempt to mimic the actions of their human friends.

Beloved Asian small-clawed otter Pinkie has a recurring bloody nose, the team goes to great lengths to find out what could be causing it; feisty baby American alligators arrive at the aquarium and must learn to eat in an orderly way.

A sweet beluga whale trains with staff to go on the whale scale; a Blacktip reef shark L2 is not eating normally and staff work to figure out why; the first sea lion born at the aquarium is a 1-year-old pup named Scarlett.

The docs are on double duty when Dr Ross brings his daughter into the clinic; a dog is rushed to Dr Lavigne after suffering multiple seizures and Dr Blue performs a tricky surgery; the staff must tame a feisty feline patient.

Jackson enters the Santé D'or shelter intent on helping an over-aggressive shelter cat named Pigpen. However, by the time he leaves, Jackson is ready to take on the challenge of converting Santé D'or into a new shelter concept.

A mother and daughter are being torn apart by their cat Missy, who seems determined to kill their other cat Fluffy; a tortie named Candy beats up a 9-year-old because she isn't so sweet.

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.

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.

Jeremy searches for a modern-day "Jaws" in Florida's Indian River Lagoon and investigates underwater predators in Missouri's Lake of the Ozarks.

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.

Dr. Jeff and his team head to Mexico to help pets and their owners; Dr. Jeff treats a dog with a painful-looking growth; Dr. Petra and Dr. Nichols help a dog seriously injured in a fight; the team tries to catch and treat a pack of feral dogs.

Dr. Jeff and Dr. Kraft take on a challenging shoulder break while Dr. Petra gets a cat off the hook; Dr. Baier and Dr. Jeff pitch in at a wolf sanctuary and Dr. Kraft helps a rottweiler with a scary condition.

At Vantara, Forrest witnesses King Cheetah race freely across a stadium-sized field. He marvels as an Orangutan enjoys cake, and nature shows to celebrate his birthday. Through these moments, it's clear that the animals at Vantara are living with joy.

Forrest visits Vantara to see efforts securing a future for rare species; he joins a cheetah feeding circle, meets newborn cubs and follows a once orphaned sun bear called Prince.

A canine with a stomach full of forbidden snacks socks it to Dr. G; a fellow member of the veterinary community fears her dog's symptoms might be due to an off-menu meal, or something worse.

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

A canine's strange appetite delivers a stomach full of surprises; a cat with hair-ific taste leads to a marathon recovery mission; Dr. G's son, Ben, joins him for an action-packed summer.

A tuxedo cat takes playtime too far, pitting Dr. G against a life-threatening foreign body; a barbeque season corn-undrum lands a Golden Retriever in urgent care.

At Vantara, Forrest witnesses King Cheetah race freely across a stadium-sized field. He marvels as an Orangutan enjoys cake, and nature shows to celebrate his birthday. Through these moments, it's clear that the animals at Vantara are living with joy.

Forrest visits Vantara to see efforts securing a future for rare species; he joins a cheetah feeding circle, meets newborn cubs and follows a once orphaned sun bear called Prince.

A canine with a stomach full of forbidden snacks socks it to Dr. G; a fellow member of the veterinary community fears her dog's symptoms might be due to an off-menu meal, or something worse.

An old dog develops new tastes that aren't exactly what they seem; when a feline devours a stringy oddity, vet staff are blind to its identity; Ben realizes Dr. G is nearing a major career milestone.

A canine's strange appetite delivers a stomach full of surprises; a cat with hair-ific taste leads to a marathon recovery mission; Dr. G's son, Ben, joins him for an action-packed summer.

A tuxedo cat takes playtime too far, pitting Dr. G against a life-threatening foreign body; a barbeque season corn-undrum lands a Golden Retriever in urgent care.

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.

"Ninja Cats" employ stealthy moves; other categories include "Techno Tabbies," "Feline Foodies" and "Cats With Catitude."

Exploring the canine kingdom; cute dogs; latest videos of guilty pooches; mutts with unusual pals.

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.

Birds of prey at the Renaissance Faire are in need of the West Nile vaccine; Piper the peppy dachshund is not so peppy; Dr. Lavigne performs surgery; Dr. Ross helps Tesla the tortoise with a fractured beak.

Jackson works with Sydney, a Bengal, who's welcoming his new stepmom and new pitbull brother into the family by spraying every piece of furniture in the house; an energetic cat, Stella, threatens to harm a toddler.

Jackson deals with a mother-daughter duo whose lovable cats have pissing matches that are destroying not only their furniture but also their relationship; the Cat Daddy connects with Cat From Heaven, Ziggy, who has CPR skills.

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.

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

Officers check deer and waterfowl hunters, a DNR supervisor leads a turkey hunt, and a rehab center works to heal and release injured wildlife.

Officers patrol archery and firearm deer seasons, monitor ORV use, tag suburban ducks, and investigate a buck shot during a coyote hunt, while hunters donate venison to help those in need. Follow Michigan Conservation Officers as they protect and patrol the most precious natural resources in one of the nation's most remote areas.

Michigan's Conservation Officers unite to protect the state's resources amid winter's chill and a busy deer season; Great Lakes officers aid divers recovering a Tuskegee Airmen's plane, leading to a moving monument unveiling.