Scooby and the gang spend the week at the Tumblewee Ranch.  The owner, Slim Jim, explained to them that someone was stealing his best horses.  Of course Scooby and the gang offer to help solve the problem and as a cover they join a rodeo clown class.  It is no surprise that Shaggy and Scooby are naturals when it comes to goofing around.  Shaggy and Scooby put their rodeo skills to good use and catch the horse thief.  The story follows the standard Scooby mystery story line and is sure to capture the interest of Scooby fans.