A tiger's hunger for territory results in a fatal conflict with its own kind. Two huge monitor lizards fight it out in a nail-biting battle for dominance. 7+.

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The team treat a dog with nose bleeds, Woody Island's new calves, a gagging cat and an aging bald eagle. Dr Oakley is roped into a cowboy competition. 7+.

Friendship can spring from the unlikeliest of places - meet a cheetah who is best buds with a Rhodesian ridgeback, and a pair of cat-cuddling canines. 7+.

Discover how the world's weirdest and ugliest creatures are sometimes the most adaptable in a look at the strangest body parts in the animal kingdom. 7+.

From the desert to the savanna, Africa's big cats are nature's ultimate predators, fighting tooth and claw to stay at the top of the food chain.

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 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.

The Last Shangri-La. Explore this Eden between Tibet and India, a place where nature and religion have combined to turn a tiny Buddhist kingdom into the world's last Shangri-La. 7+.

Follow the lives of Zambia's most formidable predators. Audacious leopard Olimba has just won control of the Luangwa Valley. But can she hold onto it? 7+.

Orangagang: The zoo welcomes the newest member of the orangutan family as a tapir struggles with leg issues and a cherished anteater is celebrated. 7+.

Erin operates on a rescued Shar Pei with excess skin around his eyes while Ben puts a not-so-mini horse on a weight loss plan to help his hobbled hooves.

The tables turn as the Pol family pets go under the knife. The clinic hustles to keep up with an onslaught of the puppies, kittens and calves.

Simon has a close call with a black mamba in the middle of the night. He also finds his first-ever snouted cobra, that's managed to hitch-hike to Durban. 7+.

Time is of the essence as Dr Oakley races to diagnose a cat with a bladder issue, and a cattle farm needs a hand to test out a new system for some rowdy bison. 7+.

Bear Necessities: It's spring at Zoo Tampa, and the alligators, skunks and bears are emerging from hibernation. 7+.

To see them stride across the Mara is a spectacle indeed. An undeniable band-of-brothers. But no partnership comes without its challenges. 7+.

Of all of nature's hunters, the big cats are undoubtedly the elite. Super fast and incredibly powerful, they are true athletes of the hunt. 7+.

Deadman's Dilemma: When temperatures drop to all-time lows, the Alaskans must battle the harsh elements in order to secure basic necessities.

Stress levels reach new heights for Thord when a rescue fails on his third attempt and time is running out. 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.

From miniature murderers to nature's biggest brutes, witness wildlife at war in these deadly battles for turf, dominance and the right to mate. 7+.

What do dishrags, sweatshirts and fishhooks have in common? They've all been eaten by patients at Pol Vet Services. 7+.

Dr Oakley and her daughters travel to the AWCC where they attempt to bond with a lone wolf. Plus, they give a bald eagle a much-needed mani and pedi.

From the highest mountains to the most extreme depths of the ocean, witness the vicious and nail-biting battles that begin when creatures turn on their own kind. 7+.

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At a wildlife sanctuary in Costa Rica, the team assess a pair of jaguars and a three-toed sloth, plus they treat a black river turtle and a tayra. 7+.

A look at the most surprising animal friendships, including the world's smallest stallion and his canine pal and two rhinos that are guarded by sheep. 7+.

Take a look at a little-known side of farming, including bizarre and dangerous practices such as milking spiders and breeding edible insects. 7+.

The hunters return to tangle with Costa Rica's deadliest snakes, and wade through murky, chest-deep water in order to net a huge and dangerous crocodile. 7+.

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 checks up on Bindi's pups to get them ready for adoption. Plus there's a problem infesting the reindeer at the AWCC.

Follow National Geographic Explorer Enric Sala and his Pristine Seas project as they travel the globe to save our oceans. 7+.

Surrounded by marauding hyenas and armies of elephants, the trials begin immediately for seven lion cubs born during Zambia's wet season. 7+.

A tiny Silky Terrier is brought to the clinic with three babies stuck inside and a very pregnant cow is down and can't get up. 7+.

It's mamba season and these deadly snakes are playing hard-to-get in trees, boxes and even a fridge. Simon risks his life to save them. 7+.

Two bear cubs in recovery need Dr Oakley's expertise as they embark on a long journey to a new home. Meanwhile, two baby goats are in need of castrations.

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+.

The emperors are the largest and strongest of all penguins, living in the coldest, most extreme place on Earth. 7+.

Millions of years ago, penguins left the ice, journeying to new lands and reshaping traditions in deserts, tropics and among humans. 7+.

Thord and Bjoern are tested to the limits when they have to rescue a truck from falling into a lake. 7+.

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

Nature gets nasty as the animal world goes to war. With survival and bloodlines hanging in the balance, the stakes are high for these ferocious fighters. 7+.

Join the team at Pol Veterinary Services as they work together to play detective, solving the mysteries that walk through the door. 7+.

Dr Oakley rushes to save a Siberian Husky who has eaten a bottle of pills. Later, they tackle the talons of a grumpy owl.

Take a ringside seat at a cut-throat fight between two turkeys. Plus, a hippo defends his family to the death, and a badger viciously turns on its own kind. 7+.

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Dr Oakley treats a bulldog and an elk and moves three baby bison to their new home. The team meets a veteran and their beloved therapy reindeer. 7+.

A look at the most surprising animal friendships, including a parrot that's palled up with a pooch and a husky that has raised a kitten. 7+.

You don't have to be physically attractive to be well adapted, as proven by the animals in this episode. For these critters, being ugly helps them survive. 7+.

During a risky off-road search for the mighty green anaconda, the hunters stumble on one of the largest vipers they have ever seen. 7+.

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

Dr Oakley travels off grid and checks on a prickly peacock. Back at the clinic, the team need to remove a warped horn from Gimli the goat.

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+.

It's a dangerous time for the pride. Rival males move in on the current kings, who will be pushed to their limits to protect their family and their territory. 7+.

Follow veterinarians Ben and Erin Schroeder as they race to save animals big and small across rural Nebraska while juggling the demands of family life.

Simon interrupts two mating boomslang snakes to rescue them from a stone-throwing mob. Can he prevent them both from slithering away.

Dental damage is no trouble for an old horse with a history of being a survivor, but another pony's mysterious nosebleed needs a deeper look. 7+.

Hungry, Hungry Dragons: A rescued panther demands veterinary staff attention. Meanwhile, a pair of 'hangry' Komodo dragons come for dinner! 7+.

Legends of Venom: Cobra: Step into the slippery world of the cobra. It's a realm filled with cannibalistic kings, bird-hunting desert dynasties and semi-aquatic toad hunters. 7+.

Legends of Venom: Viper: Vipers rule deserts, besiege homesteads and haunt the forest floor. Meet a snake family as diverse as the challenges they face.

Dead Weight: What lurks deep in Alaska's wilderness is not for the faint of heart, and this winter will test everyone who dares to survive.

Thord and Bjoern battle one of Norway's biggest storms in a decade as they try to rescue a truck loaded with steel girders. 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.

Killer footage reveals how some of the animal world's most dangerous fights break out between the same species. And there can only be one winner. 7+.

Every day at PVS is different. But whether they're treating a severe injury or carrying out a routine check-up, the vets are always ready for a challenge. 7+.

Dr Oakley helps a horse with walking and breathing problems, and makes time to visit a puppy while she's there.

Witness two lions stage a hostile takeover of a pride. Plus, crocodiles battle for bathing rights and a colony of giant hornets eat their queen alive. 7+.

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The team treat an elk calf's limp, an ox's dental emergency, a porcupine's swollen eye, a husky's shocking problem and give a pig a roadside pedicure.

A look at the most surprising animal friendships, including a cat that comforts other creatures at an animal shelter and a dog that helps to raise a cheetah. 7+.

Deep under the sea, some of the weirdest looking creatures on the planet lurk. However, it's their ugly attributes that keep them alive. 7+.

The guys continue their reptile rescue mission in flood-ravaged Thailand by wrestling a huge crocodile and searching for deadly cobras and Burmese Pythons. 7+.

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 discovers a cow with a nasty infection. At her clinic, therapy dog Gauge needs surgery on his eye.

Explore the remarkable geological past and present of Europe, a continent born from colliding land masses, erupting volcanoes, earthquakes and huge asteroid impacts. 7+.

Young hyena Mizumu musters all his strength, intelligence and cunning for the biggest challenge of his life - finding a new clan. 7+.

Springtime is always busy in Nebraska. Dr Erin attempts to unclog a cat's colon while Dr Ben examines a horse who can't shed her winter weight.

Siouxsie comes face-to-face with a green mamba and Simon gets a narrow escape. Plus, the pair catch two bizarre snakes that don't belong in Durban. 7+.

It's all hands on deck as Dr Oakley castrates a once-wild stallion. But will the newly gelded horse succeed in getting three mares pregnant.

You're The Rhino I Want: Love is in the air at Zoo Tampa as one-horned rhino Johnny misses his love connection. 7+.

From shrimps packing a punch with the force of a bullet to birds with lethal legs, these unlikely killers are some of Africa's most dangerous predators. 12+.

Follow an elephant's journey as she witnesses Gorongosa National Park transform from 'Africa's Eden' to a devastated warzone and then to the site of a huge wildlife restoration project. 7+.

White Out: Alaskans must find a way to outsmart the brutal elements if they wish to maintain their isolated lifestyle. 7+.

Bjoern is put under pressure when a head-on collision between two trucks blocks an ambulance on an emergency call-out. 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+.

From grey whales to African elephants, the strength and skill of nature's biggest and toughest come under the spotlight as they clash in epic battles for survival.

Join Nala the Australian sea lion as she gives birth to a healthy pup! Plus, the zoo prepares to welcome zebras to the African Savanna exhibit. 7+.

Runaway the horse has a mysterious lump, so Dr Oakley is called in to check it out. Plus, a dog is attacked late at night.

Witness two bears as they battle it out for a prime fishing spot. Plus, a vicious honey badger takes on two jackals and two African big cats come to blows. 7+.

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With water in short supply, two male elephants go tusk to tusk in the heat. In frozen Alaska, two polar bears engage in a brutal battle for territory. 7+.

Hiss & Make-Up: The Docs get up close and personal with venomous snakes, help a dog whose face droops and send a diabetic canine on the road to recovery. 7+.

Grumpy Cat: A very grumpy tiger arrives in Columbus and lets her new keepers know she's in no mood for small talk. Plus, the zoo attempts to make reptile history. 7+.

It's Dr. Pol's birthday - but before the celebrations can begin, there's a host of cases for the Pol Veterinary staff to deal with. 7+.

Dr Oakley gets more than she bargained for when she checks on a herd of reindeer. Plus, 2 foxes get their jabs and a moose's big belly gives cause for concern. 7+.

Dr Oakley races the clock to wrangle a herd of bison. She also treats a bald eagle with a blow to the head and a cat with a confusing case of curled claws.

Cameras follow SeaWorld Orlando's ambitious attempt to recreate the Antarctic in sunny Florida as it builds the biggest penguin display in the world. 7+.

Thord's top team battles the biggest blizzard of the winter as they try to rescue two trucks in trouble.

Stress levels reach new heights for Thord when a rescue fails on his third attempt and time is running out. 7+.

In the Indian city of Mysore, Simon and Sioux team up with local snake catcher Snake Shyam to rescue some of the world's most venomous snakes. 7+.

The duo catch the biggest Russell's viper they've ever seen, find a snake hiding in a child's toybox and catch a deadly krait that's slithered into a family home. 7+.

We Fix 'Em All: The Docs at Critter Fixer inspire and hope for the owners of an elderly dog with a tumour on its spleen and a young cancer patient wants to be a vet. 7+.

The emperors are the largest and strongest of all penguins, living in the coldest, most extreme place on Earth. 7+.

Millions of years ago, penguins left the ice, journeying to new lands and reshaping traditions in deserts, tropics and among humans. 7+.

It takes brave penguins to thrive in the harsh Southern Ocean, with forty million thriving in its rocky, isolated areas. 7+.

Simon interrupts two mating boomslang snakes to rescue them from a stone-throwing mob. Can he prevent them both from slithering away? 7+.

As winter arrives in Port Protection, the community takes advantage of some mild weather to increase their chances of survival.

After a series of failed hunts, 70-year-old Gary Muehlberger treks deep into the Alaskan wilderness in search of a doe.

Take a look at a little-known side of farming, including bizarre and dangerous practices such as milking spiders and breeding edible insects. 7+.

Find out how some of the world's most repulsive creatures, including flesh-eating maggots and parasitic worms, could hold the key to saving human lives.

Two bear cubs in recovery need Dr Oakley's expertise as they embark on a long journey to a new home. Meanwhile, two baby goats are in need of castrations.

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The vets see patterns emerging in their cases, with waves of animals suffering from respiratory problems. But no two cases are ever truly the same. 7+.

Surprises come in all scrapes and sizes. Dr Lisa ponders a barn cat's bladder, while Dr Pol remains focused when a chihuahua needs urgent help after hours. 7+.

A look at the eclectic mix of Australian and Asian animals that took up home on Indonesia's islands, including cockatoos, kangaroos, tigers and rhinos. 7+.

A tour of the Indonesian island of Sulawesi. Having baffled biologists for centuries, Sulawesi is home to some of the world's most unusual wildlife. 7+.

From bats and butterflies to Komodo dragons and elephants, explore the variety of creatures that populate the isolated islands of Indonesia. 7+.

Meet Germany's hidden wonders. From the North Sea to the Alps, Germany's wild spaces hide many curious animal characters. 7+.

Seas and snow batter the Iberian Peninsula, creating unique habitats that allow species found nowhere else on earth to thrive. 7+.

Poland is one of Europe's last natural gems. From the Baltic Sea to the Carpathian Mountains, the country is home to a wide range of unique creatures. 7+.

You're The Rhino I Want: Love is in the air at Zoo Tampa as one-horned rhino Johnny misses his love connection. 7+.

Stingray Stunner: Stuart the stingray soaks up some Florida sun in order to get back his colour and his groove. 7+.

Documentary exploring the secret lives of squirrels. Having invaded the cities, these bushy-tailed critters now live side by side with us. But how much do we know about them? 7+.

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+.

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+.

Siouxsie comes face-to-face with a green mamba and Simon gets a narrow escape. Plus, the pair catch two bizarre snakes that don't belong in Durban. 7+.

The dark days of winter have come. Sam looks to get his garden ready for spring, while the Porters head off to pick up two newcomers to the community.

The community works together to battle the obstacle presented by nature, and prepare for the worst with a search-and-rescue drill.

In the wild world of nature's oddballs, the deadly and devious often come out on top. Survival favours those who think outside the box. 7+.

You don't have to be physically attractive to be well adapted, as proven by the animals in this episode. For these critters, being ugly helps them survive. 7+.

Dental damage is no trouble for an old horse with a history of being a survivor, but another pony's mysterious nosebleed needs a deeper look. 7+.

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Dr Michelle Oakley has a tough time trying to tame a wolverine, risks it all to treat an aggressive donkey and gets up close and personal with grizzlies at the zoo.

A touching look at surprising animal friendships, including a duck and its two feline friends and a dog that likes to hitch a ride on a miniature horse. 7+.

Evolution has bestowed these animals with some of the world's weirdest physical traits, but they're all super functional and key to their survival. 7+.

The team embark on a risky hunt for a dusky pigmy rattlesnake. One of Florida's most common snakes, its victims can easily lose a finger. or a limb. 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 and her daughters travel to the AWCC where they attempt to bond with a lone wolf. Plus, they give a bald eagle a much-needed mani and pedi.

Between Death Valley's searing temperatures and the alpine air of Mount Whitney lies a land that only the hardiest creatures can survive. 7+.

Born in Zambia's Luangwa Valley, this litter of wild dogs has a lot to learn if they're to become the crack hunting team the family needs to survive. 7+.

The Schroeders take a road trip to New York to visit Dr Erin's parents, surprising her dad with a 1910 Cadillac. 7+.

A huge black mamba hides under the kitchen sink, Simon rips apart a couch to find a spitter and climbs a tree to catch a highly venomous vine snake. 7+.

A young reindeer with many ailments needs Dr Oakley's help to get back into fighting shape, and an elderly porcupine poses a pokey problem.

Playing dead, playing offense, even playing house - these creatures prepare for just about anything in some of the world's weirdest ways. 7+.

Playing dead, playing offense, even playing house - these creatures prepare for just about anything in some of the world's weirdest ways. 7+.

Desert Lions: Skeleton Coast - Lion researcher Dr Philip Stander follows three orphaned lion cubs from birth to adulthood as they navigate the complexity of survival. 7+.

After 30 years of war, Gorongosa National Park in Mozambique is being restored, with herbivores returning, but hunters have been slow to come back, leaving an imbalance.

Big Boss: The Alaskans use their limited resources to acquire the food and other things they need to survive in the deadly cold. 7+.

Thord and Bjoern face the ultimate rescue challenge when a truck is destroyed after crashing 40 metres down a mountainside. 7+.

The Enemy Within. Lion king Sekekama's three sons threaten to steal his throne. Meanwhile, a rival pride prepares a bloodthirsty army to take revenge against the Marsh Pride.

Mums wage war to protect their young and a battle for territory turn toxic. Plus, some of nature's toughest scavengers clash in a fight for food. 7+.

Pets actively improve the lives of their owners, so the vets must ensure that these working animals are healthy and safe! 7+.

After seeing the devastation caused by Australian wildfires, Dr Oakley heads Down Under to assist in any way she can. 7+.

A bobcat and a lynx fight tooth and claw for territory. Plus, two bulls go horn to horn and a mouse takes on one of the planet's largest centipedes. 7+.

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Dr Michelle Oakley has her work cut out as she wrangles a huge muskox. A herd of wild horses give her the runaround, too.

A surprising look at unusual animal friendships, including a remarkable bond between a tiger and a lion and giant rabbit that's brought great happiness to a cat. 7+.

Sometimes, kooky courtships, mystifying mating, peculiar pregnancies and bizarre babies all come together to make one big happy family. 7+.

The guys try to outwit a speedy sand monitor during a tense snake hunt across the Outback. They also nab a king brown, one of the longest snakes in the world. 7+.

Dr Pol eases the aches of an emotional support goose and a mini horse having trouble eating. Dr Brenda admits a pit bull that's been hit by a car. 7+.

Runaway the horse has a mysterious lump, so Dr Oakley is called in to check it out. Plus, a dog is attacked late at night.

Think of Texas and you think of cattle and cowboys. But its rolling plains have a secret side - a hidden world of glowing scorpions and deadly rattle snakes.

The daughter of an alpha female, hyena Spotty is a princess. But in a competitive family, she must cement her status quickly or lose her rank forever. 7+.

Impossible: A chicken lays an egg while under anaesthesia and Dr Ben fixes a prolapsed cow and a puppy with an upset stomach. 7+.

Simon and Siouxsie bring 25 baby rock pythons into the world and try to catch a black mamba.

Dr. Oakley sees two stubborn muskoxen and a particularly wily coyote. A badly burned dog receives an innovative, if fishy, new treatment.

Stingray Stunner: Stuart the stingray soaks up some Florida sun in order to get back his colour and his groove. 7+.

They might look ancient but, when it comes to killing, reptiles are just like their dinosaur ancestors - deadly.

Armed with mortal venom or a suffocating embrace, snakes are up there with Earth's most lethal creatures. One bite from a Gaboon viper can kill an elephant - quickly. 7+.

Hard Target: As the Alaskans evolve, adapt and innovate, Chris and Jessi struggle to find a new fishing area to source winter protein. 7+.

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

First Blood: Neo's future is thrown into the balance when his mother is seriously injured. Meanwhile, the vengeful northern queens suffer a cruel blow to their growing pride.

Check out some of the most brutal and surprising battles in nature - ones where size doesn't matter, and no victory is guaranteed.

From wrangling large animals to solving complicated cases, Dr Pol and his incredible team of superwomen overcome every challenge they face. 7+.

Dr Oakley meets a wolverine with a growing lump on its side and provides comfort to its worried owner.

With water in short supply, two male elephants go tusk to tusk in the heat. In frozen Alaska, two polar bears engage in a brutal battle for territory. 7+.

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Dr Oakley and her daughter team up to treat a turkey with a broken leg, a family's sickly assistance dog and a pregnant goat.

A heart-warming look at surprising animal friendships, including a dog that plays mum to a fox cub and another that buddies up with a camel. 7+.

Welcome to a weird and wonderful world where birds swim, snakes fly, and lizards shoot poisons out of their eyes. 7+.

The guys search the great barrier reef for a box jellyfish. It's one of the deadliest creatures in the world, and the only way to catch it is by hand. 7+.

Dr Pol treats a dog who really did eat homework, before a farm call sends Doc and son Charles running in circles to catch a horse. 7+.

After seeing the devastation caused by Australian wildfires, Dr Oakley heads Down Under to assist in any way she can. 7+.

Ever heard of a mouse that howls? There's one in Big Bend, a national park that's also home to black bears and strange and burrowing spadefoot toads.

The powerful Mwamba lion pride has long dominated the west bank of the river in Zambia's Luangwa Valley. But now this family is facing an uncertain future.

Dr Erin removes mysterious mammary lumps from a hunting dog while Dr Ben repairs a calf's hernia. They also decide to adopt a Border Collie named Hank.

A hitchhiking forest cobra at a wedding keeps Simon and Siouxsie guessing.

While Dr. Oakley awaits a litter of puppies, she hits the road to treat a stubborn bison and a moose with a respiratory issue. 7+.

Oh, The Hu-Manatee: The team welcome two manatees to the Zoo Tampa Manatee hospital, and say goodbye to chimpanzees Twiggy, Jamie and Nick. 7+.

Spanning Africa's mighty rivers, many imposing animals inhabit the waters. Explore the vast range of animals - from mighty to miniscule - that occupy these rivers. 7+.

From vast deserts to lush tropical forests and from immense lakes to winding rivers, Africa is a continent of extremes. 7+.

Nature of the Beast: With spring rapidly approaching, young Alaskans struggle to complete necessary tasks while the Arctic melts beneath them. 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+.

Reign of Traitors: The Marsh Pride reaches breaking point as Sekekama struggles to protect his kingdom and suppress the rebellion of his three treacherous sons.

Witness some of nature's deadliest battles as mothers risk everything to protect young, clans unite to take on rivals and species turn on each other for food.

Nothing can brighten up Dr Pol's day better than babies, but with great cuteness comes great responsibility. 7+.

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

In a heavyweight showdown, a rhino and a buffalo get brutal on the battlefield, a grizzly bear is confronted by a cougar and a mongoose takes on a cobra. 7+.

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Michelle performs an urgent C-section on a bulldog and meets a pregnant alpaca with a skin condition. Some sick reindeer calves need her help, too.

A touching look at surprising animal friendships, including a dog that befriends a cheetah cub and another that can't get enough of its flippered friends. 7+.

The birds and the bees have never been so wild. Get ready for alien romance, bizarre reproduction and creative concepts in parenting. 7+.

The guys explore the destruction wrought by invasive cane toads and join the father of the late Steve Irwin on a mission to save Australia's sea turtles. 7+.

It's spring, the busiest time of the year, so the team have decided to search for another vet. Plus, Dr Pol and his son head out to check on a cow. 7+.

Dr Oakley meets a wolverine with a growing lump on its side and provides comfort to its worried owner.

Welcome to Bracken Cave, home to 20 million bats. It's the largest colony on Earth, but numbers don't always mean safety, especially with flesh-eating beetles about. 7+.

Born into the largest pride around, lion cub Milo looks to have his future made. But when a tragedy leaves him all alone, he must fight to be accepted. 7+.

Dr Ben performs surgery on a cat that swallowed thread and Dr Erin mends a puppy that played a little too hard. 7+.

Simon and Siouxsie try to secure a black mamba escape artist, wrangle an irate python, and catch a cat killer. 7+.

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

All Iguana Do: It's a waiting game for the Tampa team as they anxiously await the birth of a rare Indian rhino baby. After 16 long months, the calf is almost here! 7+.

Legends of Venom: Mamba: Mambas are the fastest, longest venomous snakes in Africa. They strike fear into most, but are they really as terrifying as we think? 7+.

Explore the peculiar true stories of snake attacks that have sent people to hospital, hearing from experts and scientists as they examine the facts. 7+.

Feast or Famine: With spring fast approaching, the next generation of Alaskans must secure and protect their food to make survival possible.