Tween idol Nick Cannon ("All That," Drumline) continues his quest to transform himself into Will Smith with this Beverly Hills Cop-esque comedy. Cannon plays a young LAPD officer who goes undercover in a prep school to bust a car theft ring. See, he's a cop, but he's pretending to be a kid. Think of it as "21 Jump Street," but without Johnny Depp, Richard Grieco and Holly Robinson. 95 minutes PG-13.