National Geographic (Canada)

Dr. Oakley treats a sheep with a large growth and the eye of a tiny owl.

Dr. Oakley operates on an unusual mass and investigates a musk ox with a hair loss problem.

Dr. Oakley performs a checkup on two scrappy lynx, and Sierra takes charge on clinic day.

Back in the Yukon, the Oakleys help over 100 cattle and a rowdy mini mule.

Dr. Oakley treats a kitten with a bulging eye, and Sierra preg checks a miniature cow.

Todd Dewey must fix his truck or find himself stranded a hundred miles from the nearest town; Alex Debogorski confronts a creek in the middle of the road; Art Burke receives bad news; Lisa Kelly battles an ice crossing unlike any she's seen.

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

Todd Dewey must fix his truck or find himself stranded a hundred miles from the nearest town; Alex Debogorski confronts a creek in the middle of the road; Art Burke receives bad news; Lisa Kelly battles an ice crossing unlike any she's seen.

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

After aborting his mission last season, lone wolf prospector David Muise returns undeterred and looking for a partner.

Ben Horton explores Guizhou's mystical wilderness, iconic attractions and hidden marvels.

The devastating tsunami makes landfall, catching thousands unaware.

As the tsunami hits Thailand, tourists and locals fight for survival.

The wave hits Sri Lanka, and the world wakes up to news of the disaster.

After the tsunami, survivors on an island work together to save lives.

Hurricane Katrina looms over New Orleans, while residents face a chaotic evacuation; as the city scrambles to prepare, 100,000 are left behind.

New Orleans floods after the levees breach; residents try to evacuate, rescue efforts begin, and a chaotic atmosphere sets in.

Rescues persist as thousands are trapped at home, with others ushered to the Superdome; stories of resilience emerge amid media focus on violence.

Gen Honoré leads rescue efforts post-Katrina amid pressure to use force; evacuees face discrimination, and tensions rise as violence increases.

The future of a devastated New Orleans hangs in the balance as its residents struggle to return, rebuild and restore their lives even 20 years later.

Dive into the awe-inspiring world of Dutch engineering.

This film reveals the secrets of the UK's engineering wonders.

The future of a devastated New Orleans hangs in the balance as its residents struggle to return, rebuild and restore their lives even 20 years later.

Dive into the awe-inspiring world of Dutch engineering.