Running Wild with Bear Grylls

Bear Grylls takes actor Zac Efron on an adventure-filled trip into the wilds of the Catskill Mountains of New York State. The duo must traverse and survive its remote backcountry terrain, towering cliffs and thundering rivers.

Bear Grylls takes Ben Stiller on an epic adventure of survival through the mountains of Scotland's Isle of Skye, a location known for having such unforgiving terrain and brutal weather that marines use it as a training ground.

Bear Grylls and comedian Tom Arnold head for the ultimate survival lesson in the wilds of the Oregon Coast, home to towering cliffs, wild black bears and some of the harshest and most-demanding terrain in the United States.

The legendary Bear Grylls takes new anchor Tamron Hall outside her comfort zone to explore the steep cliffs, dramatic rock formations and unforgiving terrain of the breathtaking but dangerously brutal southern Utah desert.

Bear Grylls takes NFL Hall of Famer Deion Sanders on a leap of faith through the hills of the harsh Utah desert where he will need all of his power and agility to face slot canyons, hidden wildlife and unforgiving terrain.