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Will Ferrell Screams For His Mother, Eats Eyeball On 'Man Vs. Wild' (VIDEO)

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Will Ferrell's much-anticipated appearance on Discovery Channel's Man vs. Wild is finally set to air. Ferrell, next up in 'Land of the Lost,' and show host Bear Grylls are left in the arctic tundra of Sweden to forage for food (brains and eyeballs!) keep themselves warm with dead animals and hike through snow. The whole episode premieres Tuesday, June 2, at 10 p.m.

Below is a sneak peek. WATCH: