NatGeoWild HD

A look at terrifying tales of shark attacks, including that of newlyweds Kristy and Denver, who were surfing with friends when a shark struck. Did they survive.

An aggressive hippo leaves two safari guides fighting for their lives, while another capsizes a couple's boat before ferociously attacking them in the water.

A look at astonishing animal friendships, including a boy who befriends an enormous Cape buffalo and a deer that forms a bond with two people and a cat. 7+.

A look back at the most touching, strange and shocking animal friendships of the series, including a tortoise that struggles to keep up with his hippo pal. 7+.

Look out for these Botswana bullies. Scourges of the Savannah, they target others and their own, bringing terror to the Kalahari. 7+.

Safety comes in numbers when you're surrounded by Africa's deadliest. But when aggression turns inwards, whole families go to war. 7+.

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.

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The Schroeders rush to the rescue when a car accident leaves three beloved horses injured. At the clinic, Erin freezes off a Shih Poo's old warts. (S4, ep 8) 7+.

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

Dr Pol and Charles are off to castrate a pair of testy bulls. At the clinic, Dr Emily takes a look at a drove of pigs that are coughing with high fevers.

Casey throws a big birthday bash for his pet grizzly bear Brutus, before introducing him to some new friends at the Montana Grizzly Encounter sanctuary. 7+.

Casey returns to his wildlife hotspots as spring brings the animals back out. Meanwhile, in Montana, Brutus and the other creatures come out of hibernation. 7+.

Casey travels to Yellowstone National Park where he observes the survival techniques used by the resident grizzlies, from hibernation to preying on elk calves. 7+.

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

Expect the unexpected on safari, where lions, leopards, hyenas and even terrapins clash in nature's most astonishing encounters. (S1, 1 of.

From a buffalo chase to a lion cub's struggle to survive, witness unforgettable safari drama up close in the wild. (S1, 2 of.

The Schroeders rescue stranded dogs at sea. At the clinic vets treat a mule, cat and gecko and perform an emergency C-section. 7+.

Leaving one hive to start another, these hornets will sacrifice everything to help raise legions of grubs and protect the hive at all costs. 7+.

Finding a partner sounds easy, but not when you're among the oddest animals in Asia. Discover how these quirky critters find love. Suitable for all audiences. (S1, ep 1) 7+.

New & Exclusive. America's winter has a bite. As temperatures plunge, some animals retreat to nests or dens and some migrate, but the strongest tough it out. 7+.

Stunning documentary exploring the diverse life along one of the world's longest rivers, including its hungry wolves, warring eagles and shivering bobcats. (1 of 3) 7+.

Stunning documentary exploring the diverse life along one of the world's longest rivers, including its hungry wolves, warring eagles and shivering bobcats. (2 of 3) 7+.

Living amid the most active volcanoes in the Lower 48, the creatures of the High Cascades are in constant danger of an eruption. (1 of 5) 7+.