This episode reveals what happens when animals fight tooth and claw in the deadliest of conflicts. 7+.

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After-hour phone calls, serious injuries and emergency surgeries are all in a day's work for Dr Michelle Oakley. 7+.

Meet the unlikely duos that are inseparable. From going to work, to playing at the beach, these best friends do everything together. 7+.

Zeb ventures to the rivers of Thailand, home to a huge number of monster fish, to search out a giant stingray, which can have colossal wingspans of up to 13 feet. 7+.

A look at the extreme existence of animals in Africa as they battle the raging sun, drought, and each other for survival. 7+.

Dr Pol and his son set out to solve a mystery, as 10 Angus steers have suddenly gone lame and are struggling to stand.

Dr Oakley treats an off-the-grid dachshund and an emotional support pig, and reunites reindeer siblings. 7+.

Rare wild cats showcase extraordinary skills for survival. Over millennia, each species evolved with unique adaptations to suit their environment. 7+.

Follow staff at the Billy Swamp Safari, as they hunt escaped crocodiles, catch rattlesnakes and chase raccoons in a battle to keep the Florida park safe for visitors.

Emotions run high when the Schroeder family races their beloved dog to the clinic with an emergency. 7+.

Summer nears as Margot and Alex start guiding, Billy tests his boat, Matty and Kelly add sheep and Emilie and Gilbert push to complete their family camp.

Dr Oakley hatches a plan to move two baby musk oxen to a new home. A puppy develops a mysterious illness.

Manatee Rescue Squad: As the vets handle some critical manatees, a young Nyala undergoes a messy procedure and a nervous cockatoo needs a beak trim! 7+.

Filmmaker Bertie Gregory crosses the world's roughest ocean to reach South Georgia Island - a place that now claims to have the highest concentration of wildlife on the planet. 7+.

A few species managed to thrive in isolation on the Galapagos Islands. As a result, the islands are a true evolutionary playground. 7+.

Kill or be Killed: The next generation of Alaskans prepare and plan as temperatures rise across the melting Arctic landscape.

Mbali completes her training by capturing an enormous black mamba inside a garden shed and Simon and Sioux head off to India for a brand-new snake adventure. 7+.

Despite the Bahamas being home to 40 species of shark attacks on humans were rare: until 2002. What caused the increase that left 36 people maimed or dead? 12+.

Bites come in all shapes and sizes - from minute to massive - but all can take a life. Surprisingly, the cure can be just as dangerous. 12+.

When first time pet parents flood the clinic, the Vets do their best to treat the aliments and teach a crash course in New Pet 101. 7+.

Dr Oakley learns how to flip a potbelly big, removes overgrown antlers from a reindeer and treats a dog's frostbitten paw. 12+.

It's kill or be killed as angry elephants go on the rampage, hungry crocodiles take on lions and swarms of deadly ants go into battle. 7+.

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On this special episode, Dr Michelle Oakley works with some of her youngest patients to ensure they grow up healthy and strong. 7+.

Meet the unlikely animal trios that share an amazing bond. 7+.

Aquatic ecologist Zeb Hogan goes in search of North America's giant white sturgeon. Not only are they bigger than him, some have lived the best part of a century. 7+.

The animals that have made their homes in the coldest habitats have honed their bodies and skills to survive against the odds. But still, life is a constant struggle.

After the emergency farm calls and clinic visits for the week are complete, the Pols kick off their Fourth of July celebrations with a parade and a barbecue.

Dr Oakley is kept busy as she sees a horse with a limp, pregnancy checks a group of goats and treats an overweight dog.

The jungles of Thailand are home to some of the rarest wild cats on earth. Join them as they defend their stronghold in one of the last truly wild corners of the world. 7+.

The daunting day has arrived, when the men must relocate the Nile crocodiles. But just how do you make a snapping, snarling 400lb king croc move house? 7+.

Dr Ben treats a duck with an injured foot, while Dr Erin helps a stray chicken find a forever home.

Margot searches the vast wilds of the Yukon for the perfect place to build her new northwoods cabin.

Dr Oakley fears that a deer with a limp has a serious bone infection. 7+.

Penguin Shuffle: As a penguin couple prepare to become surrogate parents, a treasured white rhino trains for her next adventure and a moray eel visits the vets. 7+.

Discover the ancient landscape of northeastern Australia, the most biodiverse region on the continent, and meet the incredible species struggling to survive there. 7+.

Seldom seen and rarely filmed in their natural environment, discover the Lumholtz tree kangaroos - the ghosts of the north Queensland forests. 7+.

Bear Chase: With summer in full swing, Alaskans must take big risks in order to secure their summer food and set themselves up for a prosperous winter.

A giant rat snake causes chaos at a kid's summer camp, before the team come face to face with a king cobra for the first time. 7+.

In 2015, a family vacation hot spot along the Carolina coast became a shark attack hell. What led to this sudden surge in vicious attacks? 12+.

When the animal kingdom bites back, it takes heroism from ordinary citizens to save the lives of some unlucky Florida locals. 12+.

Doc is visited by a motley crew of canines including a truckload of beagle puppies, a wobbly wolfhound and a pregnant chihuahua. 7+.

Dr Oakley treats a limping bull bison, a dog with a mammary mass and a reindeer that's unable to shed his antlers.

Polar bears battle for supremacy. Plus, when a honey badger refuses to play ball, a group of lions get more than they bargained for. 7+.

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From a feisty ferret to a pot-bellied pig with some serious sass, an angry muskox and a bear-sized dog, these patients are not to be underestimated. 7+.

Land Of Extremes: Meet the Grand Canyon's most remarkable critters, including one of the national park's feistiest residents: the Gila monster. 7+.

Aquatic ecologist Zeb Hogan dodges flying fish as he takes a closer look at the Asian carp that have invaded America's waterways. 7+.

Warring animal clans battle for survival in a remote region of Africa. The winners are rewarded with the richest hunting grounds in the kingdom.

From unusual cases such as a horse with a virus and a calf with balance problems, the animals seem to be trying to stump Dr Pol at every turn. 7+.

Dr Oakley treats a dog with a bloated stomach, a goat with a shocking prolapse and a cow with a worrying, mysterious lump.

The small yet fearless honey badger has been known to take on rhinos and even lions. Follow one of these ferocious creatures as she fights snakes and scorpions on the African plains. 7+.

The men discover a breach in their security when a huge alligator escapes from 'Alcatraz', part of the park that houses the most dangerous alligators. 7+.

The vets visit a sick cat at an antique store which leads to some vintage finds. They also treat a hawk with a life-threatening injury. 7+.

In the Yukon, Margot finds inspiration for her cabin-building project in the most unlikely of places.

Dr Oakley heads to the Kroschel Wildlife Centre to treat a moose with limb issues and a mink that cannot stop sneezing. 7+.

Wild Dog Dad Bod: The Zoo celebrates the unexpected birth of a baby siamang as a pony grows a concerning mass and a painted dog combats seasonal allergies. 7+.

Packed with spectacular imagery and new-to-science behaviour, Europe is one of the most ambitious wildlife series ever made. 7+.

Packed with spectacular imagery and new-to-science behaviour, Europe is one of the most ambitious wildlife series ever made. 7+.

Risk to Reward: The next generation adapts to Alaska's extreme weather to navigate lethal terrain in hopes for new lifelines.

It's the height of black mamba season in South Africa - but nothing can prepare the trio for the epic rescue of a deadly boomslang.

Dubbed the world's deadliest beach, Port St Johns in South Africa has seen ten shark attacks in eight years. Experts investigate the mysterious spate. 12+ , ep 1.

While two boys enjoy their summer, two predators look for a meal. 12+.

The clinic rolls out the red carpet for the biggest pet personalities in town, with a special guest performance by Frank the singing Chihuahua. 7+.

Dr Oakley treats a moose with an eye injury, a rescued pig and a dog with a porcupine vendetta. 12+.

These intelligent attacks, clever battle plans and killer clashes prove that brain power can be just as potent as muscle power in the animal world. 7+.

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Two black rhinos slog it out in a bloody battle, a preying mantis goes on the rampage and a shark comes to blows with a saltwater crocodile. 7+.

Mums & Babies: See the drama unfold as vets race to save expectant dogs, fragile kittens and a parvo-stricken pup, with surprise heroes stepping in to help. 7+.

The Otter Limits: Baby otters learn how to swim as they become the Zoo's newest ambassadors and have their TV debut. Meanwhile, Clark the Cougar's future gets brighter. 7+.

Even arctic conditions can't stop clients from blowing into the clinic. As Dr Emily helps a pregnant sow, an African hedgehog is in with a sticky situation.

Dr Oakley treats a miniature horse with a mystery condition and wrangles some rather riotous cows. An emergency gives Sierra a chance to show off her skills.

Dr Oakley meets two reindeer with terrible injuries. Meanwhile, it's tusk-trimming time for a boar and an owlet packs a surprising punch.

Journey to Lake Tanganyika, one of the largest lakes on earth and home to an untouched wilderness along its shores and a spectacularly diverse underwater world. 7+.

When a mountain blizzard causes a double accident, Bjoern is forced to call his rivals for help. 7+.

Jo Roger's rookies are put to the test with a triple rescue, but the mission gets off to a rocky start when their most powerful truck gets stuck. 7+.

Simon and Sioux have their hands full in Mysore, as a King cobra comes too close to a village and a spectacled cobra has to be dug out from a burrow. 7+.

As Si and Sioux's India adventure draws to a close, they assist Gowri with a king cobra before helping Shyam rescue an elusive 'Houdini-snake'. 7+.

G.O.A.T. Bloat: The Docs harness the power of patience when they treat a goat with bloating, help a snake that refuses to feed and a rabbit who won't wee. 7+.

Take this unique aerial voyage across Norway and witness the world's longest deep-sea cable, a 13th century church restoration and a breath-taking postal route. 7+.

As you take to the skies over Belgium, visit the country's largest church, a building shaped like an iron crystal and a spectacular light event. 7+.

Once called 'the greatest meeting of land and sea in the world', the Big Sur provides refuge for creatures including condors, falcons, blue whales, great whites and elephant seals. 7+.

For animals who live in the shadow of America's giant volcanoes, getting from one day to the next can be tricky. 7+.

Gary takes to the forest to acquire valuable marten furs, while Sam and Dave install trail cameras.

As winter looms in Port Protection, its residents both young and old must prepare for the harsh days ahead or face dire consequences. 7+.

With 600 sightings and four attacks, the peaceful tourist destination of Cape Cod suddenly becomes a hot spot for terrifying shark encounters. 12+.

Despite the Bahamas being home to 40 species of shark attacks on humans were rare: until 2002. What caused the increase that left 36 people maimed or dead? 12+.

Dr. Oakley participates in a race pitting human runners against reindeer. Meanwhile, five muskox undergo pregnancy tests.

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When a chicken is the victim of fowl play, Dr Pol is on the case. Plus, Dr Lisa helps a horse and Dr Nicole performs an emergency C-section on a cat.

On Mother's Day, the vets treat new mums including a cow with a young calf. Plus, a pair of dogs need help after a painful encounter with a porcupine. 7+.

'Lion Whisperer' Kevin Richardson sleeps and plays with lions on his reserve. A touching insight into a man's remarkable bond with Africa's most feared predators. 7+.

Series examining one man's remarkable bond with big cats. 'Lion Whisperer' Kevin breaks two lions away from their parents and integrates them into a new pride. 7+.

The jungles of Thailand are home to some of the rarest wild cats on earth. Join them as they defend their stronghold in one of the last truly wild corners of the world. 7+.

Called the Queen of Ranthambore, fearless Machli is one of the wild's longest surviving tigers. But as her offspring challenge her for her territory, her reign could be at its end. 7+.

Join a large pride of lions that have made their home at a permanent waterhole in Botswana, side-by-side with elephants. 7+.

Five young lions set out to establish their own kingdom in the unforgiving Namib Desert: a place fraught with constant danger and where food and water are incredibly scarce. 7+.

Herd Time's a Charm: A rescued manatee arrives with a severe case of cold-stress, and the team works around the clock to save a critically injured Florida panther. 7+.

Gronk Grows Up: A new greater one-horned rhino baby has a father with a concerning hole in his horn, a tapir gets ready for a big move and a macaw visits the vets. 7+.

Only the Best: From injured pets to farm animals, the Critter Fixers tackle attacks, infections and urgent cases proving they are ready for any job. 7+.

Simply the Best: Rush into rural emergencies with the Critter Fixers as they treat fragile puppies, bleeding pets, sick fish and expectant farm animals. 7+.

Sandesh Kadur heads into the mountains of Ladakh in search of the elusive snow leopard, before exploring the jungle realm of the smallest of the big cats, the clouded leopard. 7+.

Follow Toto, a leopard with unusual aquamarine eyes, for the first years of her life as she learns fundamental survival skills. 7+.

Mexico is home to an incredible 400 snake species, nearly a fifth of which are venomous. Nigel searches high and low for his top ten. 7+.

Nigel heads to the scorching deserts of Oman and the United Arab Emirates as he hunts out some of the most adaptable, resilient and dangerous snakes of them all. 7+.

As winter descends on Southeast Alaska, residents in the remote village of Port Protection must combat deadly conditions in their quest for survival. 7+.

The residents of Port Protection learn to survive the midpoint of winter by using old techniques and learned knowledge that has been acquired over the years.

In 2015, a family vacation hot spot along the Carolina coast became a shark attack hell. What led to this sudden surge in vicious attacks? 12+.

Dubbed the world's deadliest beach, Port St Johns in South Africa has seen ten shark attacks in eight years. Experts investigate the mysterious spate. 12+ , ep 1.

Dr Oakley checks on newborn reindeer calves, only to find that one of them is seriously ill. At the clinic, the team must perform an eye-opening surgery.

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A litter of golden retriever puppies have a check-up, a dachshund has an ear infection and a puggle is rushed in with suspected food poisoning. 7+.

Explore the world-famous Yellowstone National Park. A wilderness of forests and valleys, it's home to petite pygmy owls, cougars, bison and black bears 7+.

Zeb goes in search of one of North America's most misunderstood monster fish, the alligator gar: a bizarre 10-foot creature with a mouthful of razor-sharp teeth. 7+.

She haunts the trees and hills in the heart of the realm. She is solitary, silent and virtually invisible. Saba the leopard is a killer without rival.

It's one of Michigan's hottest summers on record and the sweltering heat is taking a toll on both Dr Pol and the local farm animals. 7+.

From bears crashing picnics to cougars chasing trail runners, the animals that call this place home can be wild.

Unique Critters: Get stuck in at Critter Fixers as unusual patients from pythons and ferrets to goats and ducks push the vets to their limits. 7+.

The men search for injured animals in a raging forest fire, corral 50 bison for a big move to another ranch, and save a gang of baby alligators from a muddy ditch. 7+.

Drs Ben and Erin Schroeder lend a helping hand to furry friends in the community.

Margot and a special friend make a final push to complete her cabin before winter fully sets in. 7+.

Dr Oakley helps an alpaca with an eye injury, a horse with a colic emergency and a dangerously emaciated dog. 7+.

Discover incredible wildlife journeys across the US as animals migrate through backyards, parks and towns in search of new seasonal homes. 7+.

Track America's animal feedings as bats, eagles and more travel big distances to feast, revealing wildlife spectacles happening closer than you think. 7+.

a country also home to capuchin, howler monkeys and the Hercules beetle. 7+.

Winter: Sierra Morena is a mountain range of climatic extremes, the harsh winter puts the lynxes to the test and other animals struggle to survive. 7+.

Nature's Bounty: The Alaskans must push through fall chores to ensure their own security in an otherwise uncertain and harsh winter season.

Discover professional snake-catcher Simon Keys' most remarkable encounters with baby snakes in bustling cities.

The series heads to the northern coast of New South Wales in Australia, where a string of shark attacks has left the community panicked and tourism in decline.

When humans cross paths with earth's largest land carnivore or a stealthy sea creature, the results can be painful, or worst, deadly. 12+.

Pol Vet is racing into overtime! After-hours emergencies call Dr Pol to save a puppy hit by a golf cart and a goat having seizures.

Dr Oakley treats an off-the-grid dachshund and an emotional support pig, and reunites reindeer siblings. 7+.

As the world's deadliest predators meet in battle, one misjudged move could mean the difference between life and death. 7+.

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Follow veterinarian Dr Michelle Oakley as she tends to a diverse range of animals across Canada's Yukon territory, beginning with an injured owl. 7+.

On The Hunt: One of the largest wetlands on Earth, the Everglades is home to thousands of species, but the invasive Burmese python threatens to put them all at risk. 7+.

Zeb Hogan teams up with kayaking expert Trip Jennings and a team of Brazilian scientists to find out what monster fish lurk beneath Brazil's Rio Roosevelt. 7+.

On a forsaken ridge of sand that skirts the edge of the Savage Kingdom, a hyena queen, Zalika, plots her revenge on the Marsh Lions who keep her in exile.

Staff treat a litter of pigs that have lost their appetite. Meanwhile, Dr Brenda has a do or die situation on her hands when she meets an injured calf.

Soon two-thirds of the global population will be living in cities, leaving wild animals to develop a whole new set of street smarts. 7+.

Discover incredible wildlife journeys across the US as animals migrate through backyards, parks and towns in search of new seasonal homes. 7+.

Track America's animal feedings as bats, eagles and more travel big distances to feast, revealing wildlife spectacles happening closer than you think. 7+.

Park director Ed closes in on an nine-foot crocodile known as Houdini. Meanwhile, an escapee bear with a nasty injury places the staff on high alert. 7+.

As fall turns to winter, the Schroeders provide care for ailing dogs, a horse losing weight, a cat in need of fostering and a baby llama. 7+.

As temperatures plunge, Margot is on the hunt for some heat, the final step in making her Northwoods home habitable.

Dr Oakley helps a dog that was attacked while protecting its owner, a guinea pig with raspy breathing and a lynx with deformed legs.

Vet the Good Times Roll: Celebrate Vet Appreciation Week with Zoo Tampa as vets perform rare surgeries, tackle daring rescues and protect animals with lifesaving care. 7+.

From vipers to pythons, this gripping deep dive reveals Australia's deadliest snakes, their venom, power and how they rule the wild. 7+.

Across the Americas, over 30 rattlesnake species help curb rodent populations and sustain healthy ecosystems. 7+.

Zombie Fish: As summer wanes, the next generation of Alaskans use land and sea to hunt and gather resources before dark winter hits.

From deadly black mambas in wardrobes to spitting cobras in factories, there's no rest for Simon and Siouxsie during snake season. 7+.

Three shark attacks in just three months causes panic in Oregon. But why was there such a troubling increase? Experts take a closer look. 12+.

Communing with nature has its risks. You can end up on the menu or come between a mom and her calves. In either case, your life is on the line. 12+.

The ultimate Pol party! Dr Pol, Diane and Charles look back on a decade of celebrations.

Dr Oakley must juggle two cases at once when a pregnant goat starts giving birth in the middle of a piglet's hernia repair. All ages.

Creatures of all sizes and savagery clash over food, land and bloodlines in this edge-of-your-seat look at some of nature's best and bloodiest battles. 7+.

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Dr Oakley vaccinates lynx kittens at the Yukon Nature Reserve. She also drives to the rescue of a sickly reindeer, a hungry moose and an injured deer. 7+.

Out of the Pacific Ocean rises the rugged coastline, rain-soaked forests and soaring summits of the Olympic Peninsula - all of which are teeming with wildlife. 7+.

Zeb investigates Thailand's huge population of large fish, and the reasons why this great Eden of aquatic giants is currently experiencing an alarming decline. 7+.

Not all lions in the Savage Kingdom are born equal while the Marsh Pride dominates the beating heart of the realm.

Staff pay tribute to long-time Pol practice vet Dr Brenda. Meanwhile, a dog with a huge wound shows up the clinic and Brenda meets a sickly horse.

Want to know why an octopus would slap a kayaker or why a sea snake might want to be best friends? Take a deep dive into some of the craziest clips. 7+.

This remarkable film follows the animals of Yellowstone during its brutal winter, as beavers, grizzly bears, wolves and river otters fight for survival. 7+.

Staff move an aggressive, pregnant female gator out of the pond and back into the wild. And a dangerous Asian water buffalo strays into the visitors' area. 7+.

After an aging mare gives birth, the Schroeders hustle to examine her new foal since this momma lost her last two babies. 7+.

In winter's depths, Margot hunts fur while Billy attempts to build a hot water heating system to survive the frigid Northwoods. 7+.

Dr Oakley diagnoses a mass on a horse, uncovers a surprise during a lynx's checkup, and treats a dachshund with a skin issue.

Trunks of Love: It's date night for the African elephants, a shoebill couple hope for their reunion after years apart and a tortoise develops a mysterious limp. 7+.

From the broomstick bee's architecture to the meat-eating bee of the Amazon rainforest, remarkable talents are revealed alongside insights into bee intelligence. 7+.

Across the planet, bees face mounting challenges, from Dawson's bees battling for mates to honeybees facing the global spread of varroa mites. 7+.

Bird of Prey: The Arctic fall season faces its end as winter knocks at the door, and the next generation of Alaskans heeds the warning to get ready for it. 7+.

Snakes are on the hunt - targeting a university campus, a child's room and a family kitchen. They're wreaking havoc and it's up to Simon and Siouxsie to stop them. 7+.

Panic reaches fever pitch in Maui when there are 16 shark attacks in two years. As experts investigate, they discover the reason was hiding in plain sight. 12+ , ep 4.

A caregiver needs care after colliding with a toothy aquatic predator and animals that usually steer clear of humans decide to attack in a pack. 12+.

It's Thanksgiving, and Tater the pit bull eats something he shouldn't. His family rushes him to the vet clinic, grateful for their care. 7+.

Dr Oakley is kept busy as she sees a horse with a limp, pregnancy checks a group of goats and treats an overweight dog.

Claws are on show and venom is in full flow as greed, revenge, love and hate cause creatures including snakes, grizzlies and buffalos to go into battle. 7+.

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It's an exhausting week for Alaskan vet Michelle Oakley as she meets her match in an ill-tempered muskox and takes her daughter on her first caribou hunt. 7+.

Seasons of Change: A mecca for 9 million outdoor lovers a year, it's known for its joyful spring flowers and colourful autumn trees. 7+.

Zeb searches for migratory giants on an ultimate fish 'motorway' near Khone Falls in Laos. Can he discover their way upriver before new dams block their route? 7+.

A small family of wild dogs is on the run desperately looking for a safe place to raise six tiny puppies, but the Savage Kingdom will test them to the limit.

A cat with a gunshot wound, an abandoned dog and some husky pups make for a busy day at the clinic. Can Dr Pol and Diane escape in time for their anniversary break.

From a lion invading a tent to a testosterone-fuelled elephant charging down a truck, it's no wonder these clips go viral. 7+.

Join a mother zebra on an epic journey as she strives to travel across the plains of Africa, give birth, evade predators and cross raging rivers. 7+.

As staff of Billi Swamp Safari return, the park is in chaos. With one gator on the loose and another threatening to eat her offspring, new recruits are tested. 7+.

When a young collie is hit by a car, the Schroeders race to diagnose and treat the little dog in critical condition. 7+.

Spring has arrived and Margot searches for a bear, Billy upgrades the cabin, Matty makes a backwoods deep freeze and Emilie and Gilbert work on a 'Shabotwan'.

Dr Oakley treats a deer with a limp and an alpaca-llama cross with an attitude, and guards the family dog from a wandering hound. 7+.

Koala-Ty Time: A young koala and his caretaker share valuable time, a rhino learns the ropes as he grows up at the zoo and a Marabou Stork fights for her life. 7+.

From the bizarre anatomy of the platypus to the Tasmanian devil, Australia's creatures rely on incredible adaptations to survive in diverse habitats. 7+.

Australia's coastline is a true natural wonder, encompassing a diverse range of bountiful habitats and witnessing high stakes battles between predator and prey. 7+.

Deadman's Return: As snow, ice, and gale force winds take hold of the landscape, Alaskans race against the clock to prepare for the treacherous winter months ahead.

The hotter the day, the more deadly the snakes. That's why Simon and Siouxsie find their lives on the line when they get called out to catch a black mamba. 7+.

Experts race for answers when a shocked Cancun suffers six shark attacks in three years. Attacks have never occurred there before, so what could be the cause? 12+ ep 5.

Monster Sturgeon: Cyril and his team of adventurous filmmakers embark on a dangerous mission to help scientists protect the prehistoric white sturgeon. 7+.

To heal their patients the Vets need to get dirty and nastiness awaits. Dr Pol and his team tackle infected kittens, a stinky Macaw and an oozy calf.

Dr Oakley treats a dog with a bloated stomach, a goat with a shocking prolapse and a cow with a worrying, mysterious lump.

There are no prizes for second place when wild animals face off and fight. These battles reveal the lengths creatures go to in order to survive and conquer. 7+.

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At the Yukon Wildlife Preserve, Michelle examines growths on a young caribou. But things take a turn when the drugged caribou challenges a bull to a scrap. 7+.

Life on the River: Home to bears, moose, wolves and endless wilderness, this northern Alaska national park is one of the last untamed places on the planet. , ep 6 7+.

Zeb travels to Spain in search of the invasive wels catfish - a monster fish capable of growing over eight feet long, which is destroying the local ecosystem. 7+.

Rule of the kingdom is reserved only for the strong. Five heroes, each with a unique power, head up rival families struggling for power, clawing their way to the top. 7+.

Dr Pol treats a feisty cow with a foot problem and a puppy with a hernia. Meanwhile, Charles struggles to learn Dutch in time for his uncle's visit.

From cheeky car-surfing parrots to some very angry wombats, our experts explain the animal antics behind the extraordinary wildlife Down Under. 7+.

Epic battles, invaders, rivals and exiles - the Druid pack faced it all during their 14-year reign of Yellowstone's Lamar Valley, until one lone wolf beat the odds and changed everything 7+.

Staff dice with death as they make three alligators move home. The park takes in a huge and dangerous bull gator. But can its staff contain the aggressive beast? 7+.

Dr Ben and Dr Erin take care of a range of cases: a goat in extended labour, a hypothermic horse and a cow struggling after giving birth. 7+.

Margot takes advantage of the milder Yukon weather and tries her hand at a few new wilderness DIY projects. 7+.

Dr Oakley treats a limping bull bison, a dog with a mammary mass and a reindeer that's unable to shed his antlers.

Spring Training: As spring blooms, penguin chicks dive into penguin preschool, a sloth prepares for a big debut and a caretaker trains to be a venomous snake handler. 7+.

The coasts of this continent host some of the greatest migratory gatherings on Earth and exude some of its most exotic colours. 7+.

Three-part series following animal babies in their early stages. Whether they're born weighing 30 grams or 100 kilos, these bundles of joy have a lot to learn. 7+.

Priceless: The next generation of Alaskans journey into isolated territories to stockpile vital resources they need to outlast the dark and vicious winter ahead. 7+.