National Geographic (Canada)

Sydney Airport is on high alert for the arrival of the Prime Minister of Singapore, and Duty Manager Mel's favorite pop star; security searches for a woman reported to have collapsed on the street.

The next generation is tireless in the hunt to secure Alaska's resources.

Alaska provides, but the next generation must be able to reap its rewards.

Alaskans must master trapping, fishing, construction and mechanical repair in order to survive.

Alaskans work hard to prepare for winter's brutally harsh elements.

A family risks losing their stacks of cash; officers are on high alert after an American declares he is packing heat; CBP suspect a traveler is pulling a con job with his US work visa.

A CBP canine tracks a THC-toting traveler.

A traveler isn't blowing smoke when it comes to declaring her cigarettes.

A South American surfer's vague travel plans make waves with CBP.

An avalanche risk forces a bombing mission above the Klondike Highway.

Art Burke crashes his truck into a snowbank; Alex Debogorski makes his return and faces off with an untested crossing; Mark Kohaykewych tests out new driver Steph Custance; Lisa Kelly faces a monster incline; Darrell Ward runs into rival Todd Dewey.

The early arrival of winter forces Ken on a dangerous drive for fuel; Karl deals with a frozen sluice plant, a broken vehicle, and other assorted troubles; Bernie loses his pay streak and a crew member.

A family risks losing their stacks of cash; officers are on high alert after an American declares he is packing heat; CBP suspect a traveler is pulling a con job with his US work visa.

A CBP canine tracks a THC-toting traveler.

A traveler isn't blowing smoke when it comes to declaring her cigarettes.

A South American surfer's vague travel plans make waves with CBP.

Charles is worried about his dog Athena and looks to his dad for guidance.

From the North Pole to Dr. Pol, everyone is getting in the Christmas spirit.

The staffers become the clients when several of their pets fall ill.

The clinic works together to create an extra special surprise for Diane.

The Pols need to fix the sheep hut before winter arrives.

Everything feels connected as the vets see patterns emerge in their cases.

The clinic braces for a snowstorm as Doc races to an emergency farm call.

A critically endangered antelope is losing weight fast and needs urgent surgery; a baby rhino takes her first steps out on the savannah.

A cheetah disappears underwater in seconds; a crocodile takes on ten lions; a buffalo plays tug-of-war with a crocodile's nose.

A muskrat attack sends a dog to the vet; Dr. Nicole has exciting news.

A critically endangered antelope is losing weight fast and needs urgent surgery; a baby rhino takes her first steps out on the savannah.

A cheetah disappears underwater in seconds; a crocodile takes on ten lions; a buffalo plays tug-of-war with a crocodile's nose.