National Geographic (Canada)

Rainn Wilson's global quest for bliss begins in Iceland, where he gets nude in a cauldron of magma, chugs cod liver oil and learns the art of failure.

Only the most adaptable bugs can thrive in an ever-changing Texan backyard.

Force K6, an Indian regiment of mule handlers in WW2, aided Allied evacuation at Dunkirk, other units escaped Nazi-occupied France.

The stories of three Black sailors, who not only miraculously survived the attack on Pearl Harbor, but also saved countless lives.

Unearthing the hidden heroes of the 320th Barrage Balloon Battalion, the only all-Black combat unit to fight on the D-Day beaches to help liberate Europe.

The Black Panthers, an elite tank unit, push back Hitler's final advance.

Hugh has a plan to crush the competition; Todd and Lisa are pressured to up their game.

With temperatures on the rise, conditions on the ice roads result in meltdown. The truckers from Polar and VP Express are pushed to the limit, crossing thin ice on their way to deliver critical loads.

Hugh has a plan to crush the competition; Todd and Lisa are pressured to up their game.

With temperatures on the rise, conditions on the ice roads result in meltdown. The truckers from Polar and VP Express are pushed to the limit, crossing thin ice on their way to deliver critical loads.

Cesar rehabs an overexcited labrador and a pushy adolescent doberman.

Fueled by fear, two brothers turn against each other in deadly attacks.

Cesar rehabs an aggressive Labradoodle with an alarming history of biting.

Cesar rehabs an over-policing pit mix and a space-invading mini schnauzer.

Cesar helps shed the pounds of an overweight pit mix.

Cesar matches a rescue dog with a family & inspires them to be leaders.

Paraplegic pet mom struggles to manage fighting bulldogs on her own.

Cesar rehabs two destructive Boston terriers and a senior husky that is taking a big social step.

Cesar helps an excited pit bull and matches a family with their forever dog.

Cesar works with a confused Goldendoodle and a fearful pet parent.

Cesar's rehab of two violent dogs threatening to kill each other continues.

The team investigates a shark bite in Australia.

Diva uncovers a mysterious cluster of shark bites which happened across the world, all within a few days of each other; the team get to work scouring the world for clues to uncover the reasons that connect them.

Cesar's rehab of two violent dogs threatening to kill each other continues.

The team investigates a shark bite in Australia.