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

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

Life Graft: Dr Hodges performs a medical miracle on a dog, Dr Ferguson conquers his fear of chickens, and the Docs dodge death rolls to aid gators.

Tiger Queen: Are you ready to meet a daredevil flying goats, adorable cheetah cubs, a cranky female tiger, a lethal king cobra and a rhino that paints?! 7+.

Neck bites, gunshots, and thunderous growls rattle cages at Pol Veterinary as they feel the horror of the Halloween season.

As Thanksgiving draws near, Dr Pol cooks up a plan to make a huge feast for the hardworking staff of Pol Veterinary Services.

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

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+.

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. 7+.

As HSI find illegal guns in Miami, the CBP in Texas discovers and seizes a bounty of meth worth millions. 7+.

U.S. Customs and Border Protection in El Paso finds a massive load of meth hidden in a railcar and quickly moves to stop the cartel from taking it back. 7+.

Charlie prepares to leave for college and the Drs tackle urgent cases, from a badly injured dog to a field C-section and a horse's life-threatening condition.

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

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

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

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

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

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

Unknown And Uncharted: As the Arctic shifts into the winter season, those living off-grid must work hard to obtain vital resources.

In 2015 and 2016, twelve shark attacks take place on Jacksonville's beaches. Experts attempt to understand why this happened.

Fear grips Australia when sharks terrorise the coastal community of New South Wales after seventeen people are attacked in one year.

Dr Oakley spays a wolf at the bottom of the pack and discovers a surprise during the surgery.

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The heat brings more pregnancy checks and births, leading Dr Pol to start his day by heading out to a stable to check the status of some horses. 7+.

Dr Brenda struggles to find out what is causing a dog to be so lethargic, as she learns from his owner that he might have been exposed to marijuana.

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.

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. 7+.

Sanctuary: Rains in Tanzania's Katavi National Park have stopped much earlier than usual. Lions, hippos and crocodiles jostle in preparation for extreme drought. 7+.

Purgatory: Drought-stricken Katavi becomes chaotic as hippos fight to the death, a rogue lion hunts a family of cubs, and fire and ash sweep across the land. 7+.

Salvation: Katavi gets more hellish by the day. Just when everything is at breaking point, the rains finally return, bringing floods of biblical proportion. 7+.

Koala-Palooza: It's breeding season at ZooTampa as two koalas reunite, young painted dogs seek out soulmates and a pygmy hippo finds her Mr Right! 7+.

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

A Lotta Chihuahua: The vets treat celebrity Chihuahuas, a limping horse, a rescued duckling, a goldfish with a tumour and a dog needing urgent care.

The rural Nebraska vets Drs Ben and Erin Schroeder rush to treat a horse with facial injuries, a Labrador hit by a car and a poisoned Chihuahua.

Cameras track a snow leopard as it fights to keep its kill from an unrelenting red fox, and chart the lives of the last surviving Asiatic lions of Gir. 7+.

Cameras embark on a quest to uncover the secret lives of India's small cats, including the rare clouded leopard. 7+.

Marvel at the awesome power of nature as experts face down the massive volcanic eruption of Cumbre Vieja Volcano in the Canary Islands. 7+.

The story of the world's tallest living trees. Two explorers investigate the uncharted environment of the California redwoods in an epic, year-long exploration.

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

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

The Struggle Begins: As a hard winter draws near, Alaskans must deal with extreme dangers, challenges and hardships in an effort to survive.

Los Angeles is shocked by four shark attacks in just four months. Experts search for clues to find out if there might be more shark attacks ahead.

Experts search for clues to explain a spike of three bizarre and bloody shark encounters that occurred in Hawaii's Molokai Channel in 2019.

Dr Oakley's check-up with two porcupines turns into a surprise gender reveal.

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It's fall in Michigan, and the Pols are ready for Halloween. The candy bowl is out, the leaves are turning, and the clients are in costumes.

Chimp off the Old Block: Zoo keepers prepare for a chimp birth, vets investigate a bear's mystery illness and a dangerous antelope is darted. 7+.

A look at the frontier and wildlife closest to America's heart. Winter brings snow geese to the Mississippi. Alligator snapping turtles emerge in spring.

The team take on a huge project for The Rainforest Cafe in Disney World, knowing that if they fail they will lose one of their most valuable clients. 7+.

Roaring Success: As a senior bull elephant finds his 'zen', a big gator becomes an unwilling patient and a porcupine requires a dentist visit. 7+.

The Schroeders castrate an aggressive alpaca, bring a mama dog back from the brink of death and save a horse from bleeding out.

The rural Nebraska vets Drs Ben and Erin Schroeder rush to treat a horse with facial injuries, a Labrador hit by a car and a poisoned Chihuahua.

The team are caught off guard by the sheer power of three tiger sharks. Challenged like never before, they are forced to seriously reconsider their approach. 7+.

Armed with a bucket list of iconic urban fish, Mike heads to the Big Apple's Central Park and tries his luck in Long Island's great white shark hot spots. 7+.

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.

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

Bertie Gregory is back and this time, he's searching for one of the world's most distinctive sharks, the hammerhead. 7+.

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

A problem with immigration means that Cat Stevens could miss his introduction to the Rock and Roll Hall of Fame. Plus, staff worry a sick passenger could have ebola. 7+.

A newborn sea otter gets separated from its mother, while another baby arrives at the Raptor Centre when a bald eaglet falls from its nest.

Two swimmers get a surprise from a pair of whales. Plus, a circus lion proves highly unpredictable.

The vets at PVS value the bond between owner and pet. That's why they work tirelessly to heal each animal to reassure their clients along the way. 7+.

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+.

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

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In the midst of all of their usual cases, the staff of Pol Veterinary Services pulls together to help a dog that was hit by a car.

Dr Zoo-Little: At the North Carolina Zoo, a gorilla has emergency surgery, vets examine a deadly rattlesnake and zoo keepers try to take blood from a lion.

The series heads to South Dakota, where cowboys ride a rugged landscape that plays home to bison, mustangs, elk and pronghorn.

Jose performs a risky surgical procedure on a case of shark eggs as Living Color attempts to create a one-of-a-kind aquarium showcasing a mermaid's purse. 7+.

Run Cheetah Run: There's drama behind the scenes at The Columbus Zoo and Aquarium as a cheetah goes under the knife. Plus, twin polar bear cubs jump in at the deep end.

The Schroeders take on a goat with the spirit of a rock legend, who's ready to roll with its stones! 7+.

Bertie Gregory is back and this time, he's searching for one of the world's most distinctive sharks, the hammerhead. 7+.

Eager to hit their target, the team set an irresistible trap on the ocean bed. If successful, what secrets will it reveal about tiger sharks on Socorro Island? 7+.

Mike Iaconelli's urban fishing adventure takes him to Austin where he searches the city's lakes and rivers for 3 of Texas's rarest and cleverest fish. 7+.

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.

It's the end of the summer, time for many of the animals to go into rut. A couple of critters on Dr Oakley's caseload, though, are slow off the mark.

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+.

A look at crocodiles, who, over 200 million years ago dominated all continents and oceans, posing a threat to even the mighty T-Rex.

Watch what unfolds when black bears, grizzlies and giant polar bears clash with prey and people as they face the threat of extinction in a changing climate.

Facing a spate of thunderstorms, Margot makes one final, all-out push to complete her Yukon dream home.

Customs find an octopus in a bag and there's a potential riot following a terrorist attack in Pakistan. Plus, staff oversee the transfer of $20million in cash to the UK. 7+.

The team proves they'll do whatever it takes when a raven falls in fish guts, and a severe injury requires a keeper to dive headfirst into a filthy moose pond.

Unbelievable blunders that need to be seen to be believed, featuring a collision between a man-mounted elephant and a Bengal tiger, and a deer-swallowing sinkhole. 7+.

When the vets are faced with some unwell newborns, they have to work fast to save these tiny lives! 7+.

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+.

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

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A wide variety of animals make their way to Pol Vet every day, and in this episode, Dr Nicole and Dr Brenda face an influx of feline cases.

Polar Bear Opposites: The zoo hopes for a polar bear pregnancy, two endangered red wolves go on a blind date and a young elephant gets some unusual treatment. 7+.

It's winter in the Land of the Lakes and timber wolves are on the prowl. Great greys, North America's largest owls, plunge deep into the snow for food.

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+.

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+.

Despite challenging weather conditions, Drs Ben and Erin Schroeder treat a wild bald eagle that needs immediate care before returning to the wild.

Life on Jewel Island is blissful and brutal. Every year the desert floods, allowing certain animals to thrive, while others struggle. 7+.

As the tagged shark tally rises, so do tensions among the team, throwing their mission to save endangered sharks species into jeopardy. 7+.

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

Daughters Maya and Sierra come along for the ride when Dr Oakley heads to the big city: Anchorage, Alaska.

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.

Sioux guards 25 python hatchlings as Simon tackles a black mamba and Mbali overcomes fear to remove one from a mattress safely.

Fear and Revere: Simon and Sioux are amazed by the respect Indian locals have for their venomous scaled neighbours. 7+.

Meet the giant snakes with killer reputations. From anacondas to man-eating pythons, experts investigate some of the biggest and baddest serpents around the world.

On a remote island, Matty makes a move with a home that is far from new and Billy races to replace his ailing roof before the Canadian winter arrives.

Staff fight to save the life of a man who had a heart attack on a plane. Meanwhile, Mel must decide if a man carrying two passports is telling her the truth. 7+.

As Alaska battles uncontrollable wildfires and record-breaking heat, one sea otter pup narrowly escapes, while another presents a problem for a very unique owl.

Find out what happens when a great white shark comes between a fellow toothsome terror and its meal. An all too literal shock is in store for a capuchin monkey, too.

From snow to sweltering heat, Dr Pol and the rest of the vets at Pol Veterinary Services power through to make sure every animal gets the help they need.

Michelle examines a goat that has been unable to breed, before corralling horses with a helicopter and tending to a very uncooperative owl. 7+.

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

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The docs battle freezing conditions - and an unseasonal Michigan snowstorm - to make sure their patients are healthy and safe.

Hiss and Hers: The zookeepers are kept busy by the birth of a white rhino, two young lions leaving home and two cannibalistic snakes going on some high-stakes dates. 7+.

Sharing space spells conflict for humans and animals in America's heartland, where a raccoon breaks into a house and a weasel eyes up a busy chicken coop.

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

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+.

While Dr Ben tends to older horses, Dr Erin investigates an elderly dog's mysterious shedding. The family squeezes in some much-needed family time.

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+.

With three more tiger sharks to tag before his team can pull anchor, expedition leader Chris urges everyone to focus. Will they fulfil their quota? 7+.

Dangerous Playground. The time arrives for the weeks-old babies to meet their fellow creatures. But in a land rife with predators, danger can turn up at any moment. 7+.

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.

Follow vet Dr Michelle Oakley as she covers thousands of miles tending to the Yukon's animal population. Her first patients are a 300lb yak and a golden eagle. 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.

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+.

What happens when a pangolin clashes with a cheetah or a red toad comes face to face with a spitting cobra? Find out in this look at South Africa's deadliest creatures. 7+.

In the Yukon, Margot takes her fledgling dog sledge team on their inaugural multi-day trapping trip.

A look inside the airport's VIP lounges and first-class cabins, where staff welcome stars including Pele. Elsewhere, customs uncover a stash of potentially lethal drugs. . All Ages.

At the Sealife Center, two seals use the power of friendship to work through their rehab together.

A group of fishermen come face to face with an anaconda. Bathers are terrorised by a huge group of sharks and a researcher gets on the wrong side of a moose. 7+.

Join Dr Pol as, with the aid of a great team - and a lot of coffee - Doc flies through case after case.

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. 7+.

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

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Dr Pol treats a range of animals from guinea pigs and pit bulls, all while managing a dog's recovery from a recent attack.

Giraffic Park: The zoo welcomes a timid, new giraffe to the herd as a pregnant bat prepares to give birth and devoted keepers care for an epileptic chimp. 7+.

Heed to the Great Valley, where skunks, raccoons and coyotes thrive in the shadow of the county's oldest mountain range.

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+.

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.

Dr Ben examines award-winning cows, repairs a turtle's busted shell and aids a young calf with an extra appendage. 7+.

Discover the story of Dereck and Beverly Joubert, who set out over 30 years ago to understand big cats, battling floods and droughts along the way. 7+.

The team's mission is thrown into jeopardy when, under the cloak of darkness, shark fin poachers boldly enter Cocos Island's protected waters. 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! 7+.

It's a tough day at the clinic for all-species vet Dr Michelle Oakley. Plus, when a string of house visits get scary, two people wind up in hospital.

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

In the Kalahari, a desert of dramatic moods and deep sands, survival belongs to the clever creatures that keep this ancient world alive.

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+.

Margot and her canine friends continue their pioneering trapping adventure, pushing deeper into the rugged Yukon backcountry.

Staff desperately search for a missing boy before he and his father miss their flight. Meanwhile, two baby elephants begin their journey to their new home. 7+.

At the Alaska Sealife Center, the Aviary team helps hatch and raise a harlequin duckling, who weighs less than a pound.

Find out what happens when a group of villagers try to chase a leopard from their town. Some golfers, meanwhile, get ringside seats for an epic alligator fight. 7+.

Sometimes, it can be hard to keep a straight face while working at Pol Veterinary Services. Dive into the cases that have got the vets chuckling here. 7+.

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. 7+.

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

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

Tooth Be Told: Parasite-plagued alpacas arrive in critical condition while Dr Hodges performs hip surgery on a kitten and Dr Ferguson treats an abscess.

Polar Delivery: Meet an adorable baby Rhino, witness an amazing polar bear birth and comfort a rare bird named Marla 7+.

It's an emotional time as the team say farewell to their beloved Great Dane, Frija. Plus, the vets treat an uncooperative German shepherd and an adorable kitten.

Broken toes, worm infestations and nursing puppies create a whirlwind of patients at Pol Vet this week, but the team are short-handed.

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.

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+.

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.

CBP in Newark stops a passenger with suitcases of marijuana. In El Paso, sisters are caught with undeclared cash and tied to recruiting human smugglers. 7+.

Homeland Security Investigations in Miami conduct an operation leading to the seizure of illegal weapons bound for the Caribbean. 7+.

The rural Nebraska vets Drs Ben and Erin Schroeder rush to treat a horse with facial injuries, a Labrador hit by a car and a poisoned Chihuahua.

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

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

Bertie Gregory is back and this time, he's searching for one of the world's most distinctive sharks, the hammerhead. 7+.

Investigate a devastating shark bite in Australia, hunting for clues in attacks across the globe before analysing the data in a cutting-edge lab. 12+.

Alaskan Built: Alaskans must travel near and far by any means necessary in order to survive the region's harsh elements. 7+.

The Ice Harvest: As winter's clock ticks, Alaskans must overcome nature's challenges in order to continue living their off-the-grid lifestyles. 7+.

In 2003, 10 shark attacks off Florida's Space Coast leave swimmers and surfers reeling. Investigators race to uncover the cause before it's too late.

Two unlucky ocean lovers defy the odds when each of them is attacked twice by sharks. Experts look for clues to connect the rare attacks.

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

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

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

Discover the story of Dereck and Beverly Joubert, who set out over 30 years ago to understand big cats, battling floods and droughts along the way. 7+.

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+.

Impatient, headstrong teenager Pemba should be independent but still relies on his mother. When she's injured, can he sever the apron strings and face his fears? 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+.

Join a young Siberian tiger as he leaves his mother for the first time and takes on the huge challenges that have driven his kind towards extinction in Russia's Far East.

Filipe DeAndrade heads to a beach in Costa Rica, where America's largest cat, the jaguar, is hunting a rather unusual prey - sea turtles.

Bertie Gregory is back and this time, he's searching for one of the world's most distinctive sharks, the hammerhead. 7+.

A look at the surprising predatory behaviour of sharks. Previously thought to rule only beneath the waves, evidence suggests they are now preying on birds, moose and even polar bears. 12+.

Around the world, Orcas have been attacking great whites. Shockingly, when these attacks occur, other sharks start to move away. Are they communicating with each other about the attacks? 7+.

Diva uncovers a spate of shark bites from across the world, all happening within a few days - so the team tries to understand what connects them. 12+.

Over Thin Ice: To survive Alaska in dark winter and its freezing hardships, the next generation must use the waning winter sun to their full advantage.

Trail Breakers: Deep into the unforgiving winter, the next generation of Alaskans must break new ground to acquire valuable resources in order to survive. 7+.

Gulf Shores in Alabama is an idyllic beach town and fishing haven, but this slice of paradise has a dark side: a history of shocking shark attacks. U.

In 2018, the Abaco Islands in the Bahamas were hit by three shark attacks in just thirty-nine days, terrifying both vacationers and islanders. U.

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

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Winter weather doesn't deter Pol Vet's dedicated docs as they treat animal eye infections, accidental overdoses and scaly skin conditions.

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+.

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

Dr Brenda treats a reindeer in all types of pain. Plus, Dr Emily has one of her most impressive and difficult birthing cases to date.

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

As the crew divides to get the job done, one scientist becomes stranded in deadly waters. Plus, tension within the team hits an all-time high. 7+.

Flock of Flamingos: A flock of flamingos flutter to their pasture. Meanwhile, an ostrich refuses to get his shots and a pregnant rhino takes her keepers on a wild goose chase. 7.

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. 7+.

Dr Michelle Oakley treats a sled dog that's had a nasty run-in with a porcupine. The day takes a more positive turn when she tends to two Icelandic horses. 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+.

From their massive size, strength and stamina to their finely tuned hunting skills and unrelenting will to survive, sharks have evolved to be the perfect predator. 7+.

As temperatures plunge, Margot looks to her dogs to help her seriously raise her wood-harvesting game.

Traffic control deal with an emergency landing and Mel confronts three drunk passengers. 7+.