Bear Grylls takes LA icon and living legend Danny Trejo out into the staggering peaks and steep canyons of Arches National Park in Utah. Under scorching temperatures, Bear and Danny climb massive boulders and traverse sheer cliffs in order to reach their extraction. Even Danny's days in prison can't prepare the show's oldest competitor as he squares off against the intense heat and treacherous obstacles of Mother Nature herself.

• Delbert Shoopman

• James Marsden
• Don Cheadle
• Shaquille O'Neal