Running Wild with Bear Grylls: The Challenge

Bear takes Bradley into rugged canyons, where Bradley overcomes a series of challenges amidst harsh winds, towering heights and a winter storm.

Bear Grylls takes Marvel superstar Benedict Cumberbatch on an adventure across the Isle of Skye in Scotland. They descend massive sea cliffs and brave freezing waterfalls. Bear teaches Benedict unique survival skills.

Bear takes singer-actress Cynthia Erivo to the highest mountains in Wales, where Bear trained in Special Forces. Bear teaches Cynthia how to rappel and navigate a labyrinth of caves before traversing a frigid and thunderous waterfall.

Bear takes his first deaf guest, Oscar-winning actor Troy Kotsur, on an adventure in the Scottish Highlands. Bear and Troy must find a new way to communicate as they push themselves to the limits, across steep mountains and raging rivers.

Bear takes actor Russell Brand on an adventure down the jagged coast of a Scottish isle. Along the way, Bear teaches Brand survival skills that dredge up a long-forgotten but highly charged fear he must overcome to reach his extraction.

Bear Grylls takes singer Rita Ora on an adventure in the Valley of Fire. The journey launches with the pair skydiving from 10,000 feet, plunging into desolate terrain. Bear teaches Rita how to navigate, find water, and rock climb.

Bear takes "Hamilton" star Daveed Diggs on an adventure in the Great Basin Desert to teach him to track, climb and eat whatever the desert provides. On day two, Daveed must fly solo and put his skills to the test.

Bear invites "She-Hulk" star Tatiana Maslany on a journey across Wyoming's Laramie Mountains. Tatiana admits that she's fearless on the screen, but can she tap into that same bravery in the real world?