National Geographic (Canada)

Brad has just 90 minutes to turn around an Air India flight; a kangaroo keeps Trent on his toes and baggage handler Brodie battles jams.

The Australian Border Force dog unit sniffs out potential criminal activity; Emergency Planning Manager Riki oversees a repatriation flight.

A tarmac collision disrupts passengers; Border Force find contraband and a mysterious plane lands unannounced.

A man from Mexico is questioned when it is indicated his vacation plans may include a work component; at JFK cargo facility a shipment of live moth pupas is put under the microscope; in San Francisco, an angry traveler points a finger at CBP.

A couple and their girlfriend, with a loaded weapon on board, reach the border by mistake; in San Francisco, a man wandering aimlessly around the airport after his flight arrives is questioned about the contents of his luggage.

Officers question a man from Texas who arrives with his hunting equipment.

A Dutch woman with a lot of luggage claims she's on a four-day holiday; a Chinese parcel contains a shocking surprise; actor Corey Feldman shows up.

The fundamental creation of the wheel helps shape the human experience, but if the wheel suddenly stopped working and society lost the greatest, game-changing accomplishments made using wheel technology, the world would be vastly different.

It's up to Adam to push forward and guide the team through the uncharted terrain of Corbold Canyon.

Frigid temperatures wreak havoc on Dawson City, putting the fire department in danger; an avalanche shuts down the Klondike Highway and a tow operator races to find a driver who has plunged off-road and into an icy river.

A man from Mexico is questioned when it is indicated his vacation plans may include a work component; at JFK cargo facility a shipment of live moth pupas is put under the microscope; in San Francisco, an angry traveler points a finger at CBP.

A couple and their girlfriend, with a loaded weapon on board, reach the border by mistake; in San Francisco, a man wandering aimlessly around the airport after his flight arrives is questioned about the contents of his luggage.

Officers question a man from Texas who arrives with his hunting equipment.

A Dutch woman with a lot of luggage claims she's on a four-day holiday; a Chinese parcel contains a shocking surprise; actor Corey Feldman shows up.

The youngest generation of Alaska Natives look to become providers.

Indigenous Alaskans live on ancient lands but face a new climate of challenges.

Alaska Natives battle the seas of the arctic as winter looms.

Alaska Natives battle the seas of the arctic as winter looms.

For the Indigenous Peoples of Alaska, giving up is never an option.

In harsh climates, the land becomes a survival resource for Alaska Natives.

The unpredictability of the arctic in winter challenges Alaska natives.

Alaska Natives strive to maintain Indigenous traditions in their homelands.

A journey behind the scenes of Melbourne Airport to observe the team of dedicated professionals who work around the clock to ensure the airport runs safely and efficiently.

An emergency training exercise encounters disturbance due to dangerous winds, flight board failure, and a real-life emergency of an explosion in a passenger terminal.

Alaska Natives strive to maintain Indigenous traditions in their homelands.

A journey behind the scenes of Melbourne Airport to observe the team of dedicated professionals who work around the clock to ensure the airport runs safely and efficiently.