Dr Oakley chases sheep, protects an ailing musk ox, and teams up with a superhero pig. She then reunites with Patches, a dog with a puzzling paw problem.

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It's Dr Oakley's to the rescue when dog Harper gets caught in a prickly situation. Later, she squares off with a muskox and a bear cub undergoes surgery.

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.

Rejected by his mother and bullied by his brothers, this oddball lion has had a rough ride. But his troubles are far from over as more trials lie ahead.

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

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.

The team treat a bull's limp, a cat's oozing lump, a musk ox's walking difficulties and a horse whose strong-willed filly is causing trouble. 7+.

Spring rain brings new opportunities to the land of the Iberian lynx but for the lynxes of the valley, it is always a challenge to raise their cubs. 7+.

The team begin their mission on Guadalupe Island where they catch a female great white they call Annika. But worryingly, she isn't the only visitor to the boat. 7+.

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

Staff at Dubai airport cope with a stranded family who miss their flight. Plus, it's all hands on deck as they race to finish the new concourse in time for inspection.

Dr Oakley diagnoses a friendly ferret and performs surgery on a kitten with a bulging eye. Sierra attempts to pregnancy check a miniature cow. 7+.

Evolution has created countless wondrous creatures that are colourful, amazing and strange. The darker side of nature reveals some of the most bizarre forms.

Learn about the bizarre survival methods used by the animals of Madagascar. RATING: AA.

Explore an animal kingdom ruled by macho mammals, where testosterone and aggression equal power. Whoever wins the fight, wins control.

Return of the Caribou: Tig Strassburg and his daughter Hazel battle the elements in search of bull moose, while Jody Potts-Joseph follows the returning caribou. 7+.

Thord and Bjoern rescue a truck that threatens to tip, while Jo Roger looks to save a snow plough - before a second truck crashes in the same spot. 7+.

The stakes are high as Dr K's team work to save a prairie dog from a life-threatening infection. A potbellied pig is rushed in and a rabbit needs surgery. 12+.

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.

It's non-stop action for Dr Pol and the vets as they come to the aid of wobbly emus, calves, foals pups and goat kids.

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+.

Experts scour the Pacific Northwest in search of the endangered and elusive green sturgeon, a monster fish that can grow to seven-feet long.

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Dr Oakley goes to the rescue of a newborn reindeer with a serious injury. An unexpected guest threatens to scupper her plan as she tries to collar a black bear.

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

Meet young leopardess a mummy's girl Chipadzuas. This pampered princess should have left the family a year ago but she just won't fly the nest.

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

The Pols welcome a new foal to the family as the warmer spring temperatures turn up the heat on animal emergencies. U.

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+.

Evolution has created countless wondrous creatures that are colourful, amazing and strange. The darker side of nature reveals some of the most bizarre forms.

In the Sea of Cortez, the men find themselves in unfamiliar territory. Has Amy gone there to give birth? And what secrets will they uncover? 7+.

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

Staff have their work cut out at Dubai International when a $379million plane goes missing. Plus, with just 18 days left to complete the new concourse, the pressure is on.

Dr Oakley meets a dog with a badly infected paw, as the team takes part in a golden eagles research project and help a cat who has eaten its own tail. 7+.

It's a busy week at The Columbus Zoo as the companion dogs look after three new adorable cheetah cubs, and a scimitar oryx calf is born. 12+.

Before he loses all his feathers, Dr Katie races to figure out what has been keeping feisty penguin Barry from shedding for close to a year. 7+.

Every species must fight to survive in the forests of the Iberian Peninsula, one of the most biodiverse regions on Earth. 7+.

Animals must compete for limited resources in the forests of the Iberian Peninsula to survive the harsh summer drought. 12+.

Survival Lessons: Joel Jacko builds a bridge across open water, while Jody Potts-Joseph trains her young dog team on the frozen Yukon River. 12+.

Thord and Bjoern join forces when a truck threatens to tip down a hill and Thord's daughter, Malin, heads out to rescue a van but fails to reach it. 7+.

Dr T builds a skateboard to get immobile tortoise Mimi back on his feet. A pig's problem proves hard to swallow and a rabbit's behaviour worries Dr K.

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+.

The vets work their magic on oozing faces, baby beagles, weeping wounds and broken bones. A routine puppy check turns into a surprise for Dr Nicole.

Dr Oakley struggles to capture some wily coyotes, before treating a cherished cow, vaccinating a jet-setting chihuahua and treating an elk. U.

The team investigates reports of man-eating freshwater sharks found in Florida's Indian River and more than 2,000 miles upriver in the Amazon.

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A routine task turns into a wild cow chase for Dr Oakley. Plus, a miniature horse needs her help, along with a disgruntled pig that's gone into labour.

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

A litter of wild dogs find their young lives on the line when a clan of hungry hyenas move in nearby.

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.

A macaw lands at the clinic for a beak trim and ruffles a few feathers, Charles hopes that he has a solution for seat-stealing Tater and more. U.

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+.

Warriors fight, kings fall and battle lines are drawn as chimpanzees and gorillas live out epic dramas in the heart of Africa's jungles.

The team hunt for pregnant great white Amy in the Sea of Cortez. However, deadly lines and nets suggest Amy has chosen a bad place for a shark nursery. 7+.

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

Staff at Dubai's busy international airport are forced to cope with a large group of stranded travellers. Plus, a missing passenger throws a flight to Australia into jeopardy.

Dr Oakley joins a cattle roundup at a ranch, where she grabs a lasso and tries roping a calf. Plus, she treats a goat, a sheep, a horse and a dog.

At the Columbus Zoo, medical staff investigate the mystery behind an adult male flamingo with a muted call. 7+.

Everyone at the Columbus Zoo is waiting for the first baby giraffe to be born in over 20 years. 7+.

David Attenborough explores the resilience and adaptation of the desert lions and Demoiselle cranes that live in the intense heat and sandstorms of Marusthali.

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

Dead on Arrival: Tig Strassburg's moose hunt is thwarted by a pack of wolves, while Marvin Agnot races to repair his home in the face of an approaching storm. 12+.

Thord must put his new rotator truck to the test when a tractor crashes down a hill and turns wheels up. 7+.

Maximus, a small ferret with a big lump, arrives for treatment, and a baby bunny has lost its hop. Meanwhile, something's really ruffled cockatoo Frida's feathers.

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.

It's puppy pandemonium as the vets are inundated with puppy check-ups. Plus, Dr Brenda wrestles a reindeer and Dr Pol treats a dog who's eaten something dangerous.

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+.

The team head to the Deep South on the trail of a huge catfish said to be able to swallow a man whole. Does it exist? And if so, can they catch it.

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Dr Oakley must hold her ground when she treats two rather unpredictable boars. Plus, a camel needs neutering and some baby owls get their first check up.

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

The hungry Mwamba pride await the perfect moment to kill when a herd of buffalo move into their territory.

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

It's Father's Day, and the team is kept busy as a puppy tornado touches down at the clinic. U.

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+.

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.

Despite discovering great whites, and pods of sperm whales in the bountiful Sea of Cortez, the men still want more, and go in search of the giant squid. 7+.

Simon encounters a mamba, an unidentified snake terrorises a school, and Siouxsie handles the deadliest of the lot. , ep 4).

Fog, faulty alarms and missing passengers present big challenges for staff at Dubai International, an airport that welcomes over one million passengers every week.

The team travels to a remote Alaskan island where they're shocked to find that the feral cat population has exploded.

At the Columbus Zoo, there's a gator on the loose and Hank the elephant practices his yoga. At The Wilds, an African painted dog overheats. 7+.

The staff at the Columbus Zoo say goodbye to their polar bears Neva and Amelia Gray before they head off to the Maryland Zoo. 7+.

Discover more about weasels and raccoons and their disproportionate ferocity, making them capable of hunting in almost all terrestrial ecosystems.

When seasonal flooding gives way to the dry season, stealthy jaguars prowl, army ants swarm and tarantulas bring down rodent prey.

Misery and Reward: Jody Potts-Joseph and Jamey Joseph set traps and harvest medicine, while Tig Strassburg builds a woodshed with the help of his children. 16+.

On the Hardangervidda, Thord and Bjoern team up to save a truck and trailer that crashed hard into the ditch. 7+.

A bird's check-up turns out to be anything but routine when Dr K spots a problem. An artic fox with a mystery illness gives staff a hard time.

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

Dr Pol treats a sow who is too ill to care for her 15 piglets, a German shepherd that collided with a golf cart, a wobbly colt and plenty of puppies.

The team treat a pair of chickens who are struggling to walk, a dog with a lump and a cow who loves to give hugs and conduct a long-awaited pregnancy test.

The team brave the icy waters and hungry bears of Alaska in pursuit of a run of the world's biggest salmon.

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Dr Oakley is in for surprise when she comes face to face with a rather shrewd coyote. Plus, a seal pup needs emergency surgery if he is ever to see the ocean again.

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

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 bears taking dips in hot tubs to raccoons raiding kitchens and gators on our doorsteps, animals are getting bolder.

While Dr Nicole investigates a cat's sky-high fever and Dr Lisa sutures a dog's puncture wound, Dr Pol is asked by a local baseball team to throw out the first pitch. U.

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 young jaguar is about to embark on the most important mission of his life, to strike out and find a kingdom of his own. 7+.

The crew believes the giant squid lurks in the deep waters beneath them. But will it show itself? Desperate, they call on the help of a world-famous squid expert. 7+.

Simon has his hands full with a black mamba that does will not be caught, a cobra hiding in a room of old sacks and a snake in a car.

While missing passengers threaten to seriously delay a flight to Perth, there are headaches for engineers when a $208million jet refuses to start.

The Oakleys are back at the Reindeer Farm, but this time the herd is in rut and their raging hormones are making them aggressive and unruly. 7+.

A Muntjac deer name Chowlie suffers from mysterious seizers, but the keepers will need to catch him first before they find out why. 7+.

Yin and Yang, two Asian small-clawed otters show off their x-ray training skills. 7+.

It's time for the teens to arm themselves for the kill. But have our fluffballs got what it takes to survive the Savannah? Let the hunting lessons begin.

To survive in South Africa, nature produces exotic fauna, including both giant and pygmy versions of common species to occupy challenging niches.

Eyes in the Night: Tig Strassburg confronts an encroaching wolf pack, while Marvin Agnot shows his nieces how to search for octopus during a low tide. 7+.

In a raging storm, Thord takes on a truck driver who refuses to be rescued and an under-performing apprentice who keeps messing things up. 7+.

A snake and a cockatiel present the team with two big mysteries. A chameleon is off colour after getting into a food fight with a cricket.

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

It's an emergency! The vets of PVS treat a sweet little dog with an injured eye, pets with creepy crawling critters, and a horse injured by a truck.

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.

The team head to Malaysia and Borneo in search of voracious predatory catfish that have been rumoured to swallow monkeys, porcupines and monitor lizards. 7+.

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Meet the unlikely animal trios that share an amazing bond.

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+.

Baa-Baa-Bad Teeth: A blue-eyed goat named Talula has a date with the dentist, but only one of her keepers can catch her. 7+.

It's ready, set, vet as Dr Pol and the team treat a pup with eye issues, a bird with a busted beak and a trio of possibly-pregnant alpacas.

The clock is ticking to treat young wood bison before they're released into the wild. Plus, scandal rocks a zoo when a rabble of rabbits are impregnated.

Dr Michelle Oakley helps a Hereford cow that's having trouble giving birth. Plus, a French bulldog arrives at the clinic for a caesarean section.

Tune in for some of the scariest fangs in the land! Why are vipers so lethal and why should we protect them? RATING: NU7.

The ice road rescuers spring into action when a 30-tonne excavator upends itself in a deep ditch in the South of Norway. 7+.

Tow truck boss Thord and his team tackle the biggest rescue of their season when a 40-tonne snow plough crashes down a bank and on to a frozen lake. 7+.

As Simon and Siouxsie wrestle a 12-foot mamba out of a drain, the crew deal with a deadly cobra and a homeowner gets an unwanted visitor.

Snake catchers Simon and Siouxsie spring into action when a rats' nest causes a stir. There's trouble when a venomous spitting cobra hits its target.

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

Rhino Dynamo: The staff at Zoo Tampa help expand the pygmy hippo population, while rehabilitating an injured manatee and releasing it back into the wild.

Baby-Paw-Looza: Get your cute fix in with some of Zoo Tampa's most adorable babies! Cheer on Kazuki, the baby siamang, before seeing a wolf born missing a leg. 7+.

Documentary exploring the ferocious world of Komodo dragons. A male and female engage in an eventful courtship while a youngster faces up to a vicious rival. 7+.

Simon and Siouxsie snake across the city as they fish a black mamba from a pool, wrestle with Africa's largest cobra and try to retrieve a boa constrictor.

When a massive sunken tree blocks the local waterway, Matt Carlson uses his boat and a rope to try to haul the stump to safety.

As Sam and his sons go fishing, Troy helps Oliver and Breanna lift their house and Carl and Morgan teach Veronica how to survive.

The team take on the task of recreating an African lake. As well as being filled with cichlids, the tank must also feature a sausage tree. 7+.

Aquarium builders Living Color take on the mammoth task of creating 14 new tanks for The South Florida Science Museum. 7+.

Dr Michelle Oakley ventures to the Alaska Wildlife Conservation Center to relocate and examine two black bears.

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Donkeys, ducks, and dogs-from quirky to jaw dropping, Pol Vets see it all.

The PVS vets take on a stalled labouring Lab and an attacked pot-bellied pig, and attempt to re-home a friendly kitten.

Three surfers and a kayaker encounter tiger sharks in Oahu, so the team investigates their hunting patterns to discover what is causing these incidents.

The team investigates incidents off Maui in peak tourist season to discover why the island has more shark encounters than the entire Hawaiian chain.

Scientists explore the planet's southernmost volcano and a France-size piece of floating ice. Two thousand miles across the wilderness, a team tracks whales.

A deadly storm strikes stranding scientists miles from the base. On the water, snow stops a team studying minke whales from reaching their main boat.

In the Carpathian Mountains, nature is being given a helping hand with the reintroduction of European Bison and the spread of the Grey Wolf.

Across Iberia, food chains and ecosystems are being restored allowing endangered animals, including the rarest cat in the world, to flourish.

Flock Star: It's a roller coaster ride at the zoo. A beloved flamingo fights for his life, a cheetah gets a critical biopsy and the keepers scramble to keep up. 7+.

Reindeer Pedicure: Deep dive into a rhino's mouth, then give pedicures to a group of reindeer, before taking an afternoon stroll with a vulture.

That's a Moray!: The doctors at Critter Fixer operate on an Eel and perform a snake c-section.

Bertie arrives in the Serengeti as the spectacular wildebeest migration kicks off. He's here to film the fastest land animal on earth: the cheetah. 7+.

Sierra Leone's chimps are struggling and the race is on to bring them back from the brink. A heartwarming look at life at the country's Tacugama Chimp Sanctuary. Features Dr Jane Goodall.

Cephalopods are nature's shapeshifters with three hearts, blue blood and unique brain structures - inspiring our imaginations. 7+.

Follow a fiercely determined snow leopard as she teaches her cubs vital life lessons. Meanwhile, a Tibetan fox family faces a formidable feline hunter. 7+.

Head deep into the tropical rainforests of southern Yunnan: the jungle home of primates, bears, fishing bats and elephants. 7+.

Simon and Siouxsie receive an SOS call from a fellow snake catcher in Cape Town when the city is swamped with cobras seeking refuge from blazing fires.

When one of the town's only phone lines to the outside world goes down, village newcomer Veronica Arrants steps up to prove she's got what it takes.

Residents of Port Protection join forces to move a thousand-pound sawmill to Carl and Morgan's property.

The team fulfil a client's dream by building a 5,000-gallon tank full of sharks. They later discover the only way to deliver it is through a second-floor window. 7+.

The team are challenged to build an impressive tank for a Bahamas Casino, featuring one of the ocean's most delicate and dangerous species: jellyfish. 7+.

Follow vet Dr Michelle Oakley as she covers thousands of miles tending to the Yukon's animal population; this time aiding a bison.

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

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

Series investigating the freakiest animals on the planet, from the weirdest looking to those with the ultimate survival skills and cunning camouflage. 7+.

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

Between an ultrasound for a bearded dragon, back-to-back pup emergencies wound care for a goose and more, the to-do list never ends at Dr Pol's. U.

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+.

That's a Moray!: The doctors at Critter Fixer operate on an Eel and perform a snake c-section.

A touching look at remarkable animal relationships, including a brave deer that pals up with a lynx and a fearsome leopard that befriends a rabbit.

Much Ado About Puffin: The zoo is bustling as a gator needs blood drawn, a lioness needs her tooth extracted and puffin parents nervously wait for their eggs to hatch. 7+.

Go behind the scenes at one of the world's busiest airports and discover how its 90,000 staff ensure the safe arrival and timely departure of 57 million passengers a year.

Say Hello to My Little Bunny: Dr Hodges and Dr Ferguson help a fainting goat, a mule needs a lifechanging pedicure and a litter of adorable babies say hello to the world.

The team is saddened to see that Archer, the miracle dog that survived a fire, is back in the clinic after a dog bite left a gaping wound.

For many of Dr Michelle Oakley's clients, their pets are more than animals, they're family.

Dr Michelle Oakley is back at it again, proving just how dirty the job of an Alaskan vet can be.

Phil Breslin braves Australia's rainforest to discover what it means to be built to survive, meeting tree kangaroos, scrub pythons and cassowaries. 7+.

In the Channel Country deserts, Phil Breslin searches for three animals that thrive in the heat and endure the harshest conditions. 7+.

Lucky Bag: Joel Jacko installs a windmill for clean energy, Marvin Agnot braves the Aleutian tides and Tig Strassburg teaches his daughter to snare for beaver. 12+.

When two trucks collide in a blizzard, Thord needs his full team and support from Bjoern to clear the trucks and re-open the road. 7+.

Series following a remarkable group of people who have swapped their lives for a new beginning in a remote Alaskan community.

Beneath crashing waves and amid violent currents, battles rage in the Earth's oceans, where orcas and great white sharks fight it out to be king of the seas.

While Animal Control shadow Dr Pol around town, the PVS vets treat a cat's leg wound and a German Shepherd who is so sick she can barely walk.

It's Sierra's last week before going to vet school! Dr Oakley gives her a final patient while the others treat a reindeer, a dog and an emergency. U.

Experts search for the biggest fish in the world to find out how they are coping in their ever-changing environments. They begin by searching for giant carp. 7+.

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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.

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

Series investigating the freakiest animals on the planet, from the weirdest looking to those with the ultimate survival skills and the most cunning camouflage. 7+.

Katmai: Witness the annual journey of brown bears, wolves and salmon within Katmai National Park - a park founded after the largest volcanic eruption of the 1900s.

Dr Pol performs emergency surgery on a dog who's swallowed a rope toy, while Dr Nicole examines a tiny kitten with a big eye problem. All Ages.

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+.

Journey into forests, lakes and rivers to investigate North America's deadly dozen. Black widow spiders, rattlesnakes, alligators and killer bees are just a few of the dangerous critters.

A heart-warming look at astonishing animal relationships, including a badger that teams up with a fox and an orangutan that befriends a stray kitten.

Running Otter Time: The vets treat seven pythons as the orphaned otter pups go to fish school and the keepers rush to help some arctic foxes. 7+.

Barnyard Frenemies: Dr Hodges and Dr Ferguson save a new-born calf during a tropical storm, as a fight between two barnyard frenemies is resolved.

As Dr Oakley assesses a reindeer herd, the team try to get past a donkey protecting a mini horse, before checking in on some therapy animals.

Three new baby pronghorns are welcomed to the zoo, but only a few get to meet their adult roommates for the first time. 7+.

Staff at the Columbus Zoo work around the clock to save a mandrill named Tatu who's in a life-or-death struggle. 7+.

From the great white sharks of South Africa to the tiger sharks in the Maldives, a team of scientists seek to uncover whether dominance is a masculine or feminine trait below the waves. 7+.

A record number of great white sharks are migrating to New England's most popular tourist destination and they're hunting in ways never seen before.

Rite of Spring: John Pingayak and Sonna Boy scour the tundra in search of ptarmigans, while Tig Strassburg teaches Evan the ins and outs of goose hunting. 7+.

A tanker truck full of waste slides back on a narrow, icy hill, almost slamming into a snow-covered car. 7+.

Rough weather, high winds and bad soil all mean big problems for the remote Alaskan community. When beavers cause trouble too, one man decides to take them on.

From snakes that look like trees to big cats that disappear in the grass, Africa's predators and prey have evolved into true masters of deception.

The vets treat a Shih Tzu's bizarre sores, save a choking horse, diagnose a starving iguana and survey a menagerie of peculiar pets.

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+.

The search is on for some of Australia's most dangerous river shark species, including the huge and mighty bull shark and the rarely-spotted speartooth.

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Dr Oakley treats a lynx. She also pulls an all-nighter to give a dog an emergency caesarean. But getting the puppies out is just the beginning.

Worst Case Scenario: Cyril and his team of adventurous filmmakers continue their dangerous quest to collect more salmon samples in the Northern Pacific.

Series investigating the freakiest animals on the planet, from the weirdest looking to those with the ultimate survival skills. 7+.

Everglades: As the first national park founded to protect wildlife and ecological richness, the Everglades teems with life above and below water.

Even with the fair in full swing the vets are ready for anything. Dr Pol treats a goat with a torn ear and Dr Nicole tries to save a beloved dog. U.

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+.

Australia: Journey from the Great Barrier Reef to the Outback to see in stunning detail why Australia's deadly dozen are considered some of the most dangerous creatures in the world.

A touching look at animal friendships between wildly different species, including a dog that swims to be with his dolphin friend and another that befriends a cheetah.

Puffin but Trouble: As keepers dream of a sand cat kitten, a nervous puffin chick learns to swim and rescued black bear cubs prepare for life outside the zoo. 7+.

Titan's Hero: Hodges calls upon an unexpected hero to save a pup, Ferguson treats a fawn and the docs treat an animal that they've never encountered before.

Deep in the Costa Rican rainforest, Dr Oakley and the team track a tapir, help a pregnant sloth, release animals back into the wild and treat a Caracara.

The entire zoo is on baby watch as Phoebe the elephant goes into labor. Meanwhile, a family of flying foxes get their annual exam. 7+.

The Columbus Zoo's new resident, a polar bear named Lee, arrives in Ohio and must get through quarantine. 7+.

Cheetah and leopards rule the parched lands of the Okavango Delta. But all that changes when the great floods transform the area into a water wonderland.

A World Reborn: As the miracle flood reaches its peak, lions are no longer king. Instead, the Okavango Delta's islands become the perfect hunting ground for wild dogs.

Precious Cargo: Teresa Pingayak and her daughters return to their ancestral tundra, while Joel concocts a scheme to build his new boat dock in a frozen lake. 12+.