Alaska's Grizzly Gauntlet

Les Stroud embeds himself in the Alaskan Wild for a close-up look at the survival skills of black bears.

Survivalist Les Stroud embeds himself deep in the Alaskan Interior, to track the survival skills of the moose in the run up to the mating season.

Les fights to keep up with the great Arctic Alaskan caribou herd as they race across the icy tundra on one of the world's longest, natural land migrations.

Survivalist Les Stroud heads to the edge of the Alaskan Arctic to find out how polar bears are being forced to adapt to their dramatically changing environment.

Survivalist Les Stroud gets up close and personal with the biggest brown bears of them all as they race to ready themselves for their long hibernation.