What happens when the biggest stars in the world get too high on the Hollywood hog? When their bank accounts start swelling bigger than their heads? Master prankster Ashton Kutcher is there to "Punk" 'em down to Earth. It's a reality show with a twist as Ashton makes superstars suffer for your viewing pleasure. To misquote the acclaimed thespian Stephen Seagal: "You guys think you're above the law . . . but you ain't above ours."