SCOOBY-DOO is an 'Ameri-canine' icon, the most beloved cartoon pooch of the past three generations. The snack-sniffing sleuth and his pals are in the midst of a huge popularity boom.Scooby-Doo's on the trail of another spooky suspect... and this could be one of the gang's toughest cases yet! How can Scooby, Shaggy, Velma, Fred, and Daphne defeat a full-fledged ninja warrior??