Survivalist Bear Grylls takes actor Zac Efron into the wilderness around the Northeast Appalachian mountain range where the two embark on a non-stop survival journey that will push Efron’s mental and physical limits and fill him with inspiration.

Bear Grylls and Ben Stiller meet on the mountains of the Isle of Skye in Northern Scotland and embark on a survival adventure, and as they explore their surroundings, Bear sees how Ben copes with the unpredictability of nature.

Bear Grylls and actor Channing Tatum spend two days together traveling through some of the toughest terrain in California’s Yosemite National Park, and when Tatum comes up against obstacles, he is determined that if Grylls can do it, he can too.

Tom Arnold and Bear explore the coastal mountains of Oregon, where they encounter river crossings and ocean-side cliffs.

Tamron Hall explores her personal tragedies and triumphs in the remote Utah desert on a two-day excursion with Bear Grylls. Along the way she makes an unlikely friend and struggles to cope when that friend becomes dinner.

Bear Grylls takes NFL hall-of-famer Deion Sanders to the mesas and canyons of Utah for his first ever camping trip. Even though Sanders is a fish out of water, he takes a huge leap of faith and accepts Bear’s challenges.