Videos: Man vs. Wild

Bear is back and faces his biggest challenges yet in Season 4 of Man vs. Wild. Watch as he takes on forest fires, wild boars, and deadly snakes, all while showing you how to survive.

Bear is back, and this season see what happens when he endures some of his most intense adventures ever as he travels to Arizona, Borneo, Scotland, Norway and a deserted island in the South Pacific. Watch never before seen footage of Bear providing his ULTIMATE survival guide and much more on Man vs. Wild!

Desperate for food in the Torres Strait, Bear Grylls uses his urine to try to lure a shark close enough to catch.

Fan vs. Wild finalists Sean LaCoste and Joe Resto record the moments leading up to their meeting Bear Grylls.

While swimming off the coast of Panama, Bear Grylls has the privilege -- and scare -- of swimming alongside massive humpback whales.

In Turkey, Bear Grylls happens across a week-old goat carcass, and finds uses for its remains. Watch "Man vs. Wild" only on Discovery Channel.

Man vs. Wild cameraman Simon Reay recalls the Urban Jungle shoot, when he almost became stuck following Bear Gryllsn through a ventilation shaft.

Will Ferrell of Land of the Lost feels the cold on Men vs. Wild with Bear Grylls.

Bear recalls a porcupine hunt with native tribesmen.

Bear Grylls isn't the only one in danger when filming in rapids and other watery situations ... Hear from director of photography Simon Reay.

Too much slack in the line means Bear Grylls must fight his own body weight as he tries to cross a raging river in the Caucasus Mountains.

Bear Grylls bites, kills, chews and attempts to swallow an octopus.

It is TOUGH work to dive for conch without a mask, but Bear Grylls has a trick up his (nonexistent) sleeve, and his reward will be a giant sea-snail snack.

In order to get himself off a mountain in Turkey, Bear Grylls follows the sound of water, using loose rocks to speed his descent. Watch "Man vs. Wild" only on Discovery Channel.

If Bear Grylls goes, cameraman Simon Reay has to too. See just how Simon feels about that.