

Things are getting interesting on this week’s episode of Running Wild: The Challenge as Bear Grylls and Russell Brand tackle cliffs on a Scottish Isle and find shelter in the ruins of an old castle.
Videos by Outdoors
Oh, and they’re wearing kilts.
Don’t miss this episode, in which Brand overcomes one of his longest-standing fears. Want to learn more? Tune in Sunday, August 6th at 9/8 Central on National Geographic.
Check out this exclusive clip as Brand rappels down a cliff with the help of Grylls and an ax. Will he make it safely to the bottom?