"'Food fight' is a bit of a misnomer. This is more of a food beat down," says host John Henson. Lean and mean cuisine is on the menu as Italian delights and pizza projectiles are served up on a cafeteria themed Spinner. Contestants, including a rock star and math whiz, also face the Moving Big Balls and Hoop Run on this week's episode of "Wipeout," featuring the world's largest obstacle course.