Expert fishermen head deep into the rainforest in Nicaragua in the hope of reeling in a 300lb Tarpon fish, one of the top predators in the country's rivers.

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

A look at some of the most stomach-churning eating habits in the animal kingdom. From strange snacks to a pelican caught swallowing a pigeon whole.

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.

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+.

Customs officers uncover what could be their biggest drugs haul in 10 years. An engineer races the clock when a fault is found on a plane two hours before take-off. . All Ages.

Join Legadema as she transitions from a vulnerable leopard cub to one of the most feared predators in Botswana in just three years. All ages.

Meet Jeremy, a young boy saved from a potentially deadly canine attack by his feline friend Tara. Pooch Piper, meanwhile, won't let 'goat puppy' GP out of her sight 7+.

Stand by your Manatee: Tiger cubs explore their new habitat at the zoo and an orphaned manatee is rescued from the wild. Plus, there are laughs at hyena feeding time. 7+.

Lizard Wizard: The team heads to NBA champ Dwight Howard's farm, a gecko turns inside out after taking a spill and a puppy overdoses on his owner's pain meds.

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.

Kangaroo-Mance: Vets rush to save a pregnant warthog's life and staff play cupid with two kangaroos. Plus, it's party time when the zoo's oldest silverback gorilla turns 34. 7+.

Welcome to the living Eden that is Madagascar, home to an array of creatures found nowhere else in the world, including leaping lemurs and inch-long chameleons.

Discover an unseen side of the lush tropical paradise of Thailand with a look deep into its dense jungles, where elephants and gibbons roam and the tiger rules.

Salmon People: An exploration of the challenges faced by these resilient individuals as they strive to maintain their connection with nature. 7+.

Bjorn gets caught in a difficult situation when he heads out to a job in a storm. In the North, a truck causes big problems for Marius. 7+.

The Alaskan community faces new challenges as Gary goes shrimping, Timbi searches for much-needed remedies and Sam heads into the wilderness on a bear hunt.

From the stealthy crocodile to the toxic stonefish, explore how camouflage, patience and precision lets Africa's predators surprise their prey with a killer strike. 7+.

Dr Nicole tends to her old beloved beagle and it's all hands-on-deck for a litter of 11 puppies. U.

Follow vet Dr Michelle Oakley as she tends to the Yukon's vast animal population. First up is a feral cat, a fearsome muskox and a former sled dog champion.

Zeb Hogan begins a global hunt for the world's largest fish. His search begins with the vampire fish, a 40-pound monster boasting six-inch long fangs. 7+.

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Dr Oakley has met her match when she takes on a mighty muskox. Also, a baby reindeer needs urgent help and wild horse herding gets a 21st-century spin.

The River Stingray: Cyril and his team of adventure filmmakers work with local scientists in Argentina to locate the elusive short-tailed river stingray. 7+.

Discover the strangest looking creatures with the most startling mutations in a documentary exploring freaky animal deformities.

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.

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.

Stress levels rise when an emergency landing threatens to shut down one of the world's busiest airports. At customs, officers uncover a whopping 2.1kg of crystal meth.

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.

More unbreakable bonds are formed, this time between a fawn and a shaggy dog, and a four-year-old boy with autism brought out of his shell by a flock of chickens. 7+ , ep 4.

Kangaroo-Mance: Vets rush to save a pregnant warthog's life and staff play cupid with two kangaroos. Plus, it's party time when the zoo's oldest silverback gorilla turns 34. 7+.

Choc Full of Puppies: Three goats are consumed by parasites while the docs treat one of the most insidious threats to dogs everywhere.

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+.

Beauties and the Beasts: The zoo is hit by baby fever as the cheetah repopulation program gets into full swing.The park's most chilled residents get a frozen treat. 7+.

The battle between predator and prey is not always about power and strength - knowing what lurks in the dark can mean the difference between life and death.

Life needs more than just brute force. Animals with a super-powered sixth sense can get the edge on prey, beat the elements and find food in unlikely places.

Veins of Alaska: In preparation for winter, Alaska Natives gather valuable resources along the rivers of their homelands. 7+.

An avalanche is set off to secure a road when a snow plough breaks down in the south. Plus, a salvage truck expert must act fast when he slips off the road. 7+.

With duck pens to be built, firewood to harvest, trucks to renovate and trout to catch, spring brings plenty of chores for the remote Alaskan community.

Danger is everywhere for those living among Africa's deadliest. The speedy few escape their fate on foot, while others must rely on a different strategy.

Beloved clinic house cat Tater falls ill and the team bands together to save him. Charles debuts a new look and Dr Pol treats wood-chewing steer. U.

Time is of the essence when Dr Oakley is called to Quebec to help a team of scientists battling to save a unique caribou herd from being wiped out.

Zeb encounters ferocious piranha and some of the planet's most toxic freshwater river rays as he searches the Paraná River for a 400lb stinger.

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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+.

Razor Sharp: Cyril and his team of adventure filmmakers continue searching for the venomous short-tailed river stingray.

The stories of humans who, caught on the wrong turf at the wrong time, experienced the raw and terrifying side of the planet's wild creatures.

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.

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.

Faulty planes, awkward cargo and missing passengers cause havoc for staff working the hectic night shift at Dubai International, when up to 34 planes can land every hour.

Experts let their imaginations run wild when, with the help of cutting-edge special effects, they visualise what could be in store for our feline friends. 7+.

Meet a Hawaiian surfer who loves hanging out with his pet pig, a blind woman with a guide horse and, finally, an immobilised cat protected by a dachshund. 7+.

Rhino-Mite!: Jedi and June take four wild cats on an LA trip to meet James Corden on The Late, Late Show. A rhino's ultrasound shows up a big surprise and two manatees head home.

The Lizard Of Hodge: The docs at Critter Fixer perform bone pin surgery on a lame goose to try to save its life and go fishing for a hook stuck in a dog's mouth.

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+.

Bringing Up Baby!: Doctors rush to save a cougar with an abscess, a miracle baby okapi gets a check-up and 2,000 animals come in for the winter. 7+.

Polar bears and arctic foxes are Earth's ultimate survivors. But as the ice breaks beneath their paws, even their resilience is tested to the extreme. With Bear Grylls.

As the sun gets hotter and the deserts get drier, the fight to survive grows even tougher for these remarkable creatures. Bear Grylls narrates a stunning look.

Looks Good Shoot Good: Alaska Natives prepare for fall hunting, honing skills and gathering supplies, honoring traditions passed down through generations. 12+.

Follow salvage truck drivers as they battle to prevent chaos and disaster on Norway's dangerous terrain. A major challenge turns up in the forest. 7+.

The remote community counts on Hans and Timbi as they transport some very precious cargo. Meanwhile, Curly sets out on a solo bear hunt.

Look out for these Botswana bullies. Scourges of the Savannah, they target others and their own, bringing terror to the Kalahari.

An ice storm shuts down the clinic, but when treacherous weather leaves injured animals in its wake, Dr Pol and his team rush to the rescue. U.

Tragedy strikes the Oakleys' own backyard when a coyote attack puts Willow's goat in a critical condition.

Zeb travels to Albi in France where he discovers that huge catfish are feasting on pigeons. But can he catch one for himself.

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A look at some of the fiercest animal bust-ups in the Wild West. A pack of wolves settle old scores and two bison go head-to-head in a heavyweight fight. 7+.

Dr Ben provides relief for a flock of featherless chickens and a bull with a bum hoof. Meanwhile, the docs motivate each other to shed a few unwanted pounds.

Polar Bear Express: An orphaned 600-pound manatee is ready to join her cousins in the wild. Meanwhile, a polar bear becomes the zoo's newest resident. 7+.

It's all go when a mini-pig, a giant rabbit and an injured chicken arrive at the clinic. Dr Pol struggles to say no when a Great Dane shows up in need of a home.

Dr Michelle Oakley makes her annual 500-mile trek to help Alaska's newborn reindeer and moose. She also takes on a ferocious wolverine.

Following an incident with a porcupine, a pack of dogs is in urgent need of Dr Oakley's attention. But the Yukon vet's night doesn't end there.

Forty million years ago, Sardinia broke away from Europe and headed towards Africa, picking up a rich diversity of passengers along the way.

Bjord struggles to control his anger when a reckless move endangers a trucker. Thord heads out to rescue a driver who made a similarly risky error.

Junior tow trucker Ole heads off on a major solo mission. Thor goes to the rescue of a carpenter, only to find he's not equipped for the task.

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.

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

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.

See Great Britain as you've never seen it before, exploring the impenetrable defences of Wales's biggest castle plus a huge celebration in Scotland. 7+.

Uncover the beauty of the Santorini skyline, Corfu's Venetian fortress and a summer festival with a fiery twist on the island of Spetses.

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.

It's Simon and Siouxie to the rescue when a python slithers into a wedding, a cobra winds up in a pool and a black mamba terrorises a neighbourhood.

Sam and Troy embark on a treasure dive as Mary stalks a buck and Oliver quests for firewood.

Residents race to complete projects before winter. Curly constructs a duck blind. Oliver and Breanna try to load up on crab. 12+.

The team attempt to create a one-of-a-kind tank for an NYC hotel. The idea is simple but the size and shape are a recipe for disaster. 7+.

Living Color bid to build an exciting tank for Hershey's. But against a tight deadline, the team worry ambition may have got the better of them. 7+.

Dr Michelle Oakley risks everything to save a brown bear from drowning, then has to run to save her own life.

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Dr Nicole tends to her old beloved beagle and it's all hands-on-deck for a litter of 11 puppies. U.

Beloved clinic house cat Tater falls ill and the team bands together to save him. Charles debuts a new look and Dr Pol treats wood-chewing steer. U.

The team investigates a flurry of shark bites off the coast of Long Island, as Diva calls upon local experts and takes a dive in search of answers. 12+.

Diva uncovers a mysterious cluster of winter shark bites in California, before scouring the world for help understanding the encounters. 12+.

With just two weeks left to finish their missions, the scientist race to wrap up their research. Plus, a year's worth of supplies arrive into the part.

Winter heralds home time for the scientists. But while they get ready to leave, a skeleton crew prepares to survive the cold, dark months to come.

In Bulgaria's Rhodopes Mountains, a wildlife revival is underway. But to fully renew the circle of life, it's vultures that hold the key.

Sami reindeer herders and modern conservationists team up to save one of Europe's wildest frontiers. 7+.

Red Panda Drama Mama: A naughty red panda mum makes a play for attention, a moose struggles with a nasty cough and a cherished cheetah hits a milestone.

Giraffe-Ic Park: This week at the zoo: it's raining baby giraffes, Dr Priya gives Connie the elephant an eye exam and two camel brothers embark on a new life.

Ready, Vet, Go!: The docs at Critter Fixer attempt to help a llama get over an illness, remove a tumour from a dog's leg and embark on a new vet national tour.

Familiar species and behaviours take on new drama, with revelations that reaffirm why big cats remain nature's most formidable predators.

Join Immani - one of the 7,000 cheetah left in the world - as she navigates the plains of the Mara ecosystem and fights to keep her four cubs alive. 7+.

With active volcanoes, forests and miles of coral reef, the Philippines is a place of wonder and wildlife. Many of its islands boast their own unique species. 7+.

The Chocolate Hills, the Philippine eagle and the Samar cobra come under the spotlight, along with whale sharks and manta rays at The Tubbataha Reefs Natural Park. 7+.

Simon and Siouxsie search for a seriously angry mamba and an elusive cobra spotted in a trailer park. Plus, a spitting cobra shows Simon who is boss.

Tim "Curly" Leach may have bitten off more than he can chew as a pack of wolves turn a routine duck hunt into a potential bid for survival. 7+.

Breanna puts her lifetime of hunting experience to the test on a solo mission for deer but encounters some unsettling signs. 7+.

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

Mission Critical: A freak windstorm forces Cyril and his team deep into the northern wilds to collect salmon samples. 7+.

Problems arise as Dr Michelle Oakley arranges for two wild horses to be airlifted to a new home.

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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.

The Mighty Tarpon: Shadowed by an armed police escort, Cyril and his team embark on a gruelling mission to find Central America's most explosive predatory fish. 7+.

Surprise encounters with animal pranksters reveal how unpredictable the animal world can be. These displays are proof that some creatures cannot be tamed.

of Change. Head inside America's most visited national park. A mecca for 9 million outdoor lovers a year, it's known for its joyful spring flowers and colourful autumn trees.

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

A fault on an incoming plane threatens to close the airport. Another technical hitch could cause Cat Stevens to miss his induction into the Rock & Roll Hall of Fame.

Ready, Vet, Go!: The docs at Critter Fixer attempt to help a llama get over an illness, remove a tumour from a dog's leg and embark on a new vet national tour.

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+.

Beauties and the Beasts: The zoo is hit by baby fever as the cheetah repopulation program gets into full swing.The park's most chilled residents get a frozen treat. 7+.

Fish out of Water: The docs at Critter Fixer help a ram with big horns, Dr Ferguson treats the Georgia state bird and Dr Hodges performs surgery on a goldfish.

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+.

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

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.

Indigenous educator Phil Breslin heads into the mangroves to discover which animal is truly built to survive the mud and muck. 7+.

Indigenous educator Phil Breslin heads to the mysterious blue depths to discover which animal dominates the sea. 7+.

Stealth Mode: As the winter months approach, Alaska Natives are busy stockpiling food and resources to survive in the unforgiving Arctic environment. 12+.

Bjorn gets more than he bargained for when a call to a truck leads to a double road rescue. Thord struggles to keep the roads open as the snow comes down. 7+.

With the 'dark days' almost upon them, the residents of Port Protection use the last days of good weather and daylight to stock their freezers.

Safety comes in numbers when you're surrounded by Africa's deadliest. But when aggression turns inwards, whole families go to war.

A whirlwind of emergencies keeps Doc out on nonstop farm calls while his team of vets keep the clinic covered. U.

Dr Oakley comes to the aid of a donkey in need of an attitude adjustment, and a male caribou with a life-threatening leg infection.

Zeb wreck-dives with sharks and faces fiercely-fanged barracudas as goes in search of a truly-enormous goliath grouper. 7+.

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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+.

No Sudden Movements: Cyril and his team take on backbreaking waves and jagged reefs with their armed police escort to collect DNA samples desperately needed by scientists. 7+.

A look at the ingenious and surprising methods employed by mothers and their offspring to sidestep and outwit their predators.

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. 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+.

See Great Britain as you've never seen it before, exploring the impenetrable defences of Wales's biggest castle plus a huge celebration in Scotland. 7+.

Staff confront a passenger who's travelling on a fake passport. And, six years after it was bought, the first Emirates Airlines Airbus is given a thorough maintenance check.

Familiar species and behaviours take on new drama, with revelations that reaffirm why big cats remain nature's most formidable predators.

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+.

Bringing Up Baby!: Doctors rush to save a cougar with an abscess, a miracle baby okapi gets a check-up and 2,000 animals come in for the winter. 7+.

Staff confront a passenger who's travelling on a fake passport. And, six years after it was bought, the first Emirates Airlines Airbus is given a thorough maintenance check.

Hogs and Hisses: Dr Hodges comes face-to-face with an Albino Chinese Cobra and an African Bush Viper whose lethal bite has no known anti-venom.

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+.

Love is a Cheetah Cub: The zoo goes wild for three cute cheetah cubs. But it's not all good news. Staff fight to save Arctic fox Anana, and monkey Finnick needs emergency care.

Determined to find out whether sharks really do feed at night, scientists fit tiger sharks with cameras to determine how their behaviour changes when the sun goes down.

Enrico Gennari and Lacey Williams lead a team of experts into a bay off South Africa's southern coast to capture conclusive evidence of sharks eating other sharks. U.

A Moose Can Feed a Family: As the youngest members of these communities take on the responsibility of hunting, they face the challenges of survival. 12+.

Bjorn battles heavy snowfall as he deals with frozen fuel tanks and troublesome reindeer. In the south, a truck loses its axle on the icy hillside. 7+.

Amanda has a moment of truth on her first deer hunt, while Gary embarks on a buck hunt of his own that takes him deep into the Alaskan bush.

In Africa, a deadly game unfolds as crocodiles and heat-detecting pythons hunt unsuspecting impala.

Dr Pol wrestles to save a calf and mother cow in a troubled labour, Dr Nicole sutures two wounded ducks and Dr Lisa investigates a rare paw problem. U.

Dr Oakley takes a young bald eagle injured in a fire under her wing, before being given a run for her money by a lame caribou.

From a century-old white sturgeon off the Pacific coast to river sharks in Florida, Zeb goes in search of the US's lesser-known freshwater monsters. 7+.

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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.

Into the Jungle: With scientists still needing samples from a second massive tarpon, Cyril and his team head deeper into the Nicaraguan jungle than they've ever been before. 7+.

A look at the mindblowing methods employed by clever critters in order to stay one step ahead of their predators and prey.

Head inside one of the country's newest national parks. It boasts more species than any other desert in North America, as well as incredible floral blooms.

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.

Uncover the beauty of the Santorini skyline, Corfu's Venetian fortress and a summer festival with a fiery twist on the island of Spetses.

Customs uncover $135,000 worth of cocaine stashed in a passenger's shirts. Things go very wrong when staff test out a spare parking space for a $330million plane. . All Ages.

sea turtles. 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+.

Love is a Cheetah Cub: The zoo goes wild for three cute cheetah cubs. But it's not all good news. Staff fight to save Arctic fox Anana, and monkey Finnick needs emergency care.

Customs uncover $135,000 worth of cocaine stashed in a passenger's shirts. Things go very wrong when staff test out a spare parking space for a $330million plane. . All Ages.

Some Bunny to Love: The Docs help a koi fish with skin cancer and clean up a rescued bunny that has some pets of its own, while performing a second surgery on a Doberman.

Canadian vet Michelle Oakley risks life and limb to give a cheetah and a bear a check-up. Later, she also tends to some baby meerkats. 7+.

Penguin's New Do: A penguin that's had a year's worth of bad hair days gets a much-needed new look. The team calls in a human heart expert in the hope of saving chimp Lady.

Documentary exploring the nooks and crannies of the world's third largest island. Dominated by Mount Kinabalu and home to an array of exotic animals, Borneo is packed with surprises.

The Great Smoky Mountain National Park staff work to protect and prepare black bears and other animals as a harsh winter approaches.

A Story of Survival: On the brink of winter, Alaska Natives pursue moose, fish and warmth. 7+.

Bjørn responds to a terrible tragedy on the road. Ove and his crew race against the clock to get a fish truck back on its way before its load spoils. 7+.

The residents of Port Protection scramble to finish the critical tasks that will carry them through the long, cold months ahead.

In Africa, water sources turn into battlegrounds as territorial hippos fiercely defend shrinking pools against intruders.

The pets of Central Michigan are in a jam, and it's up to Pol Veterinary Services to get them unstuck. U.

Winter has arrived and fast-dropping temperatures mean Michelle Oakley has got her hands even more full than usual. 7+.

Prepare for a close encounter with a dog-eating catfish as Zeb heads to Thailand, home to some of the biggest and baddest monster fish on the planet. 7+.

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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.

Fresh Bait: Cyril and his team hear from local fishermen about a distant jungle lagoon home to true giants, including tarpon. But getting there won't be easy. 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.

Head inside California's jaw-dropping national park, a scenic home to coyotes, black bears, black-backed woodpeckers and great grey owls.

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

Medical teams scramble when they get news of an emergency on an incoming flight. Customs uncover a bag of uncut diamonds and a cargo of racehorses causes big problems. . All Ages.

Discover a jaw-dropping window cleaning operation in Benidorm, watch a vibrant flower parade in Valencia and enjoy a trip around Lisbon on one of its famous trams.

Lion Mtima gets a little help from his brother as life's trials teach him the true meaning of power and leadership. But can he become the king he's always dreamed he could be.

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.

Penguin's New Do: A penguin that's had a year's worth of bad hair days gets a much-needed new look. The team calls in a human heart expert in the hope of saving chimp Lady.

Feline Alright: The Docs take a trip back to their alma mater to help a cow that's separated from her herd.

Medical teams scramble when they get news of an emergency on an incoming flight. Customs uncover a bag of uncut diamonds and a cargo of racehorses causes big problems. . All Ages.

Michelle examines a goat that has been unable to breed, before corralling horses with a helicopter and tending to a very uncooperative owl.

Welcome to the Family: Staff get ready to take in an orphaned baby gorilla. Pregnant giraffe Lulu has keepers on the edge of their seats and flamingo Annyung loses her squawk.

Animals wage a war for survival, deploying their hidden weapons with deadly precision to gain the edge over predators, rivals and the elements.

Avoiding predators and fighting for space, food and mates is a priority for every animal - but before attacking, they must be able to defend themselves. 12+.

A Wild Life: Alaska's next generation have to adapt to survive the deadly winter, so Johnny Rolfe follows a blood trail and the Browns take action against a predator. 12+.

The towers gather to take a look back on the season. Plus, a video of a tragic rescue attempt makes them think twice about their careers. 7+.

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

When it comes to sinking their teeth into a meal, Africa's predators will stop at nothing to bag a catch. 7+.

As Dr Pol is called out, Dr Lisa skilfully stitches a wounded Chihuahua, Dr Brenda helps a calf in need and Dr Nicole gives a duck a pedicure. U.

After leading a lynx kitten vaccination that turns into a pursuit in the underbrush, Dr Oakley checks in on two labs who got on the wrong side of a porcupine.

From sawfish to river sharks, Australia is no place for the weak. Zeb Hogan heads down under as he searches for the country's deadliest river assassins. 7+.

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

Lost Island Predators: Cyril and the team brave perilous jungles, toothy predators and slippery volcanic rocks in order to help save French Polynesia's giant trevally. 7+.

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

From Yosemite and the Grand Canyon to the Everglades, Smoky Mountains and Olympic Peninsula, explore the wonders and wildlife of the US's National Parks.

The Schroeders stabilise two dogs after they were both hit by cars and Dr Ben works to remove a rusty nail lodged in a young bull's hoof. 7+.

Uncover the jaw-dropping town of Malmberget, Lapland's famous Christmas markets and Europe's largest snow village. 7+.

Lions: A Hunt For Survival: Three lionesses from three very different hunting arenas. Each face their own challenges, but all gun for one clear goal - to kill. RATING: NU7.

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.

Welcome to the Family: Staff get ready to take in an orphaned baby gorilla. Pregnant giraffe Lulu has keepers on the edge of their seats and flamingo Annyung loses her squawk.

There's tension as a new pilot embarks on his maiden flight. Plus, a passenger jet gets a makeover and work on the billion-dollar runway goes right down to the wire. . All Ages.

Follow vet Dr Michelle Oakley as she tends to the Yukon's vast animal population. First up is a feral cat, a fearsome muskox and a former sled dog champion.

Baby Watch: Staff anxiously await the zoo's first giraffe baby in more than 20 years. A rowdy bunch of penguins needs a check-up - well, that's if the keepers can catch them. 7+.

The series heads to crowded corals and stormy coasts as it explores the ocean creatures fighting to survive their constantly changing habitat. Bear Grylls narrates.

Bear Grylls narrates a spectacular look at life for creatures in some of the most brutal environments on Earth. From Oscar-winning cinematographer Guillermo Navarro.

Winter From Hell: The harsh winter tests the next generation's limits, as the Browns rush to save their livestock and Chevie Roach looks to revive an old trapping cabin. 12+.