Bear Grylls takes former WWE world champion and action star Dave Bautista on a super-sized adventure in the Arizona desert. Navigating through perilous canyon descents, brutal falls and the raging Colorado River is no easy task. With Bear as his tag-... (more)team partner, Dave is up for the challenge to see if he still has that fight inside, but Mother Nature could prove to be his toughest opponent yet in this match of a lifetime!