The Amazing Race: Season 8, Episode 8

8 - 8: I Don't Roll with the Punches, I Punch

The five families travel to Mesa, Ariz., where one team member must take the controls of a fighter plane and complete a 360-degree loop in the air. Next, the teams drive to the Grand Canyon and then to the Glen Canyon Dam, where they must choose between bailing water out of a submerged boat or using a compass to find three clues on a river. The teams then race to the pit stop located aboard a houseboat on Lake Powell.