
Dr. Keri: Prairie Vet
Just when it seems this harsh winter will never end, Dr. Keri delivers the first calf of spring.

Just when it seems this harsh winter will never end, Dr. Keri delivers the first calf of spring.

Dr. Keri demonstrates sheer prairie grit, crossing a dangerous ice road for winter preg checks.

Takes a look at the heavyweights of the animal kingdom and examines how they survive in the wild.

The filmmakers shed light on how sharp-toothed animals use their fangs and teeth as weapons.

The climates, ecosystems and economies are tied to the movement of water between continents.

A look at the brilliant geometric shapes and exceptional megalithic sites across the Earth.

The team helps expose lions and hyenas to some of the water features of the reserve.

Nigel Marven takes a look at some snakes in the United States.

The cubs will soon leave to become ambassadors; Sebastian behaves badly and starts biting.

The bat-eared fox pups struggle for survival; Cheetah Outreach founder Annie stops by to observe.

Animal Kingdom is a stunning exploration into just what makes our natural world so spectacular.

What it takes to be an astronaut; the Neutral Buoyancy Laboratory; space suits.

Mars; Curiosity rover; Mars Desert Research Station.

Recapping the volunteer program and revisiting past members and experiences.

The winning team arrives at Kruger National Park, taking a safari to see gazelles and elephants.

A golden lab is a constant companion and calming force for the cheetahs at the Columbus zoo.

The natural world has evolved through millions of years to deal with the strongest storms on earth.

Because of a developing limp, the vet checks over four month old Yankee.

The new cub project leader flies in and meets the three month old cheetah cubs.

A Doxin is diagnosed with congestive heart failure and the vets fight for its life.