5x5 - Running Wild with Bear Grylls

Golden Globe-nominated actor Armie Hammer pairs with Bear Grylls to scuba dive in search of an underwater sea cave reportedly used by smugglers somewhere off the coast of Sardinia. Along the way, Armie battles his paralyzing fear of heights and samples some local delicacies — and things take an unexpected turn when he gets hijacked in the middle of the expedition.