NatGeoWild HD

As they take on challenging animal cases, the Critter Fixer team inspires future vets and celebrates the bonds behind the practice.

Across China's wild landscapes, extraordinary creatures reveal the remarkable adaptations that help them survive and thrive. (3 of.

A filmmaker explores the Nicobar Islands in the Indian Ocean, the last remaining windows into the primeval past of tropical islands. 7+.

Dr Enric Sala and his team head to the southern Line Islands: home to ten times more sharks than any other reef on the planet, as they uncover the secrets of the area's ecosystem. 7+.

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

More than a mere holiday destination, the islands, mountains and forests of the Croatian coast reveal a world of unexpected wildlife and treasures. 7+.

Head beneath the water's surface for an extraordinary look at the secret lives of whales. 7+.

Two muskox arrive at the conservation center, while wood bison and foxes move to new homes, and a moose injury sends a keeper into a pond. RATING: AA.

The Alaska Raptor Center rescues two severely-injured eagles, and they take in a raven covered in fish guts.

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+.

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. 7+.

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.

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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. S2, ep 6 7+.

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. (S2, ep 4) 7+.

With the salmon season in full swing, some captains start to worry that they are out of their depth. Faulty equipment piles more stress onto the crews. 7+.

Meet Africa's deadliest pack killers. From prides of hungry big cats to herds of angry cows, these team-playing creatures strike in coordinated attacks. (3 of.

Pregnant horses, cows, pigs and sheep are all on the patient list this week, keeping the team at Pol Vet very busy indeed.

The station is undergoing an impressive transformation, with the old railway bridge being replaced by a gigantic steel structure. (6 of 6) 7+.

The Critter Fixers treat a snake-bitten dog, rescue trapped kittens and help a baby squirrel and an elderly lap dog. 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.

Casey immerses himself in grizzly life on Alaska's Kodiak Island, hoping for some top salmon fishing tips.

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. (S3, ep 2) 7+.

Wild animals engage in some of the fiercest battles and encounters, providing an unforgettable sight and experience for safari visitors. (S1, 3 of.

Discover the beginnings of Austria's national parks and embark on an exciting journey filled with epic nature stories and beautiful animal shots. 7+ (1 of.

Explore future challenges to Austria's wild heritage: how do the national parks deal with invasive species and what success stories can be told? 7+ (2 of.

A series of fatal attacks rock the South Pacific paradise of New Caledonia. 12+.

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

Creepy Killers: Creative and cunning, these small guys are armed with a shedload of tricks. Scorpion, snake, vulture or stonefish? Only one can be Africa's creepiest creature. (4 of 5) 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.

Dr Pol mistakes a bat for a rotten banana peel and gets a bite for his troubles, while Dr Brenda struggles to treat an anemic puppy. 7+.

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

Kaleb Rowland races to trap a beaver before the season ends, while Sonta and Chevie Roach take their 19-month-old daughter duck hunting. 12+.

Your one-stop-shop for all things cruise; bringing you the hottest destinations, ground-breaking ships and the latest deals to ensure your next cruise is your greatest one.

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.

Later, Gator! There's danger when an alligator snaps out of its restraints during a check-up. Staff uncover something serious when they treat a sloth with a limp. (S2, ep 5) 7+.

Peak salmon season means the fishermen could make up to $30,000 a day. But if they drop their nets in the wrong place, they might return with nothing. (S2, ep 3) 7+.

Creepy Killers: Creative and cunning, these small guys are armed with a shedload of tricks. Scorpion, snake, vulture or stonefish? Only one can be Africa's creepiest creature. (4 of 5) 7+.

Dr Emily goes into labour three weeks early, leaving Dr Pol and Dr Brenda to man the busy clinic without her a little sooner than expected.

Alexandra and Gusta are dedicated to helping international tourists, meanwhile Menno and Barran are on the lookout for luggage thieves. (S2, ep 1) 7+.

Wild animals engage in some of the fiercest battles and encounters, providing an unforgettable sight and experience for safari visitors. (S1, 3 of.

Beautifully-shot documentary capturing the incredible animals that endure the harsh reality of Alaska's freezing temperatures, dramatic seasons and rugged terrain.

Casey examines the controversial wolf reintroduction at Yellowstone Park and ventures 'inside the pack' to create an intriguing profile of the park's apex predator.

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. (S3, ep 4) 7+.

Meet some of the deadliest patients at the zoo, a 200 pound python with killer back pain, a girl-shy male lion and a bear with a gnarly cough. (S5, ep 7) 7+.

Discover the incredible hunting techniques that enable Valdez Bay's killer whales to dominate their environment, as they prepare to launch an assault on the region's elephant seals. 7+.

Has a small island in the middle of the South Pacific become a drive-thru burger joint for the world's largest tiger sharks? Luring the giants to their boat, experts investigate. 7+.

Charleston, South Carolina is renowned for its hospitality. But in 2013, its resident sharks weren't quite as welcoming. 12+.

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