NatGeoWild HD

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

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

Young hyena Mizumu musters all his strength, intelligence and cunning for the biggest challenge of his life - finding a new clan. (S2, ep 4) 7+.

Check out some of the most brutal and surprising battles in nature - ones where size doesn't matter, and no victory is guaranteed.

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

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.

A team of experts risk life and limb to learn more about Earth's most-feared predator. Snapping back into action in Malibu, they begin by hunting young sharks. (S2, ep 1) 7+.

Simon has a close call with a black mamba in the middle of the night. He also finds his first-ever snouted cobra, that's managed to hitch-hike to Durban.

Follow the daily drama at Dubai International as its 60,000-strong workforce intercepts smugglers, makes emergency aircraft repairs and builds a huge new concourse. (1 of.

Dr Oakley treats a limping bison and a litter of puppies struggling to survive.

Gaze into the realm of gulpers: animals who waste no time eating their prey, often swallowing it whole.

Examine the weirdest animals that hide deep beneath the soil's surface. From a worm exploding from the seabed to a miniature digger excavating miles of tunnel.

Just in land, the lush landscape conceals deadly predators: all eagerly searching for their next meal. (3 of.

The Indigenous Peoples of Alaska rebuild their communities after Typhoon Merbok. U. (S2.

As wild weather and traffic convoys cause havoc, Thord races to rescue stranded drivers. Plus, Ole Henrik takes the company's new truck on its first mission. (S9, ep 4) 7+.

Dr K comes to the rescue of a chick that's survived a rat attack - just. A tortoise limps into the clinic and a hedgehog shows up with a prickly problem.

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.

As urgent field calls test the PVS vets' resourcefulness, Dr Pol races to save a cow battling tremors and Dr Lisa wrangles an ornery sheep. (S11, ep 14) 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.

Zeb investigates disturbing reports of a mammoth sized catfish, accused of stalking, attacking and killing people in the Indian Himalayas.

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

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

Born in Zambia's Luangwa Valley, this litter of wild dogs has a lot to learn if they're to become the crack hunting team the family needs to survive.

Witness some of nature's deadliest battles as mothers risk everything to protect young, clans unite to take on rivals and species turn on each other for food.

Pol-Ar Express: 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.

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. (S11, ep 13) 7+.

Gaze into the realm of gulpers: animals who waste no time eating their prey, often swallowing it whole.

The crew land two juvenile white sharks on their expedition, looking to discover how young sharks mysteriously arrive at adult aggregation sites once they mature. (S2, ep 2) 7+.

There's a Snake in the Fridge!: 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.

A behind-the-scenes look at hectic life at Dubai International. Crisis strikes the airport's 55-mile baggage system. Plus, 200 volunteers test the brand new concourse. (2 of.

Join Dr Oakley as she tries to outsmart a herd of bison and fights for the life of a cherished friend. 7+.

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. (S1, ep 6) 7+.

The Okavango Delta at the heart of Southern Africa's largest desert is one one of the most diverse habitats on Earth. Here, a look at life ruled by the pulsing of Africa's great flood.

Coastlines are born from colliding continents and ravaged by weather and currents. For the animals who live in these harsh environments, survival is tough.

As dark winter approaches, subsistence Alaskans use the waning daylight to prepare for the difficult season ahead. U.

Thord puts his life in danger to rescue one truck that skidded to a stop on the ice, while rookie Raido battles icy conditions to recover a fish truck. (S9, ep 3) 7+.