TV Guide National Geographic Wild Sunday

Santa takes a leap and Doc goes flying; extended episode and bonus content.

The vets jump straight into taking care of paws, jaws and an unlucky duck; bonus content added.

Archaeologists explore hidden tombs and find spectacular mummies.

The families, habitats, lifestyles and appetites of a bat-eared fox, a markhor goat, a tiger, a leopard, a kangaroo and a wildebeest are featured.

Interested viewers learn why giraffes have spots, how clever elephants are and a revolting trick hippopotamuses do to scare aggressors off.

Some of the most lively and exploratory animal babies at various zoos discover unique characteristics of their families, habitats, lifestyles and appetites.

These weird and wacky wildlife wonders defy categorization.

These good guys don't wear white; meet nature's ooey, gooey, humble heroes.

These heavyweights have more than just a super-size up their sleeves.

For these super animals, a good defense is the best offense.

Exploring some of the stealthiest and craftiest creatures on Earth, like the alligator snapping turtle, leafy sea dragon, leopard, cuttlefish and owl.

Dr. Amanda hopes to control a wild roan antelope; the team tries to chase down a blue monkey; an eagle owl has bumblefoot; rescuers release a crocodile.

The team releases one pangolin after losing another creature that was abused by wildlife traffickers; rescuers check on three hedgehogs.

Dr. Amanda rescues a blind pet baboon; Dr. Charlotte's treats a pangolin whose leg must be amputated after a run-in with poachers.

Dr. Amanda tracks down and collars a young lion; rescuers check on an ailing bush baby; a grumpy grey parrot arrives at the center and makes a lot of noise.

The staff at the rescue center organize rescues and releases as they help pythons, birds, bushpigs and other wild animals in need.

The rescue center staff are on hand as a baby monkey finds a new mother and as two serval cats return to natural habitats in the wild.

Veterinarians rely on their extensive expertise and knowledge as they rehab an injured barn owl; zookeepers spend time with a new tree roo.

The zookeepers have spent weeks in training to be able to perform an x-ray on an elephant to try and pinpoint the precise location of an injury.

The animal keepers at Taronga Zoo medicate two gorillas so they can give them a checkup.

Two galahs learn to take flight and an ailing platypus receives treatment.

A kangaroo needs a medical procedure while a black rhino in labor raises alarms.

Platypuses journey back to a national park and a gibbon discovers his song.

The zookeepers challenge the snakes with a series of puzzles for their enrichment.

The animal keepers at Taronga Zoo medicate two gorillas so they can give them a checkup.

The zookeepers have spent weeks in training to be able to perform an x-ray on an elephant to try and pinpoint the precise location of an injury.

Veterinarians rely on their extensive expertise and knowledge as they rehab an injured barn owl; zookeepers spend time with a new tree roo.

In the African desert country of Mali, rare desert elephants must migrate for food and water.