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 and his friends are up against one of their spookiest frights ever -- the Headless Horseman! Has the legendary ghost come to life? Scooby and Shaggy are scared out of their wits... but the gang knows they gotta solve the mystery.