National Geographic WILD HD Friday

Dr Oakley prepares two endangered bison for returning to the wild, while castrating a piglet is made difficult by a sudden shift in the weather

The penguin keepers are on egg watch, awaiting the arrival of new chicks. Dr Ray rescues an abandoned new-born river otter, which he plans to return to the wild

Highlights from the series featuring aquatic animals, including orcas and great white sharks

The unlikely friendship between a cheetah and a Rhodesian ridgeback, and a pair of dogs that have made companions of their feline nemeses

A sun conure gets a string caught around his leg and risks losing his foot, and Dr K suspects a ferret has a urinary tract infection - but tests reveal a different condition

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 Nicol

Michelle treats three juvenile eagles that have sustained debilitating burns, as springtime reaches the Yukon and animals begin preparing for migration

A trip through the forests, meadows and misty haze of the Great Smoky Mountains, one of the most visited national parks in the US

A wildlife revival in Bulgaria's Rhodopes Mountains, with predators and prey animals reshaping the land. But it is vultures that are most important in renewing the ecosystem

The cheetah repopulation program starts to take effect. Jack Hanna takes his grandchildren on a behind the scenes tour, and has to make a presentation to a crowd of zoo visitors

spitting llamas, a surly Scottish Highlander and a red heeler who had a run-in with a car are just a few of the surprises in store for the crew this time around

Highlights from the series, featuring footage of spitting cobras, green mambas, night adders and boomslangs

A field trip explores safe routes for panthers, a babirusa date gets hog-wild, and the zoo fights back against a global pandemic

Footage of the continent's wildlife, beginning with a look at mating, revealing how some animals will fight to the death to prove their worth

Footage of animals raising their young in the Botswanan wilderness, exploring the lengths they will go to ensure their offspring have the best chance of survival

The Alaskans use their limited resources to acquire the food and other things they need to survive in the deadly cold

Thord needs his best men to solve the tricky problem of a 30-ton excavator that has capsized into a deep ditch

Animals battle for domination of hunting grounds in a remote region of Africa, beginning with a leopard who faces new challenges when she has to protect her two cubs

Residents race to complete projects before winter. Curly constructs a duck blind. Oliver and Breanna try to load up on crab

With a constant flow of clients filling the clinic's waiting room and the phones ringing off the hook with farm calls, the vets decide it is time to start looking for some help

The cheetah repopulation program starts to take effect. Jack Hanna takes his grandchildren on a behind the scenes tour, and has to make a presentation to a crowd of zoo visitors

Dr Oakley treats an off-the-grid dachshund and an emotional support pig, and reunites reindeer siblings