Shaggy is turned into a werewolf, and it's up to Scooby, Scrappy and Shaggy's girlfriend to help him win a race against other monsters, and become human again.
Cast: Casey Kasem, Don Messick, B.J. Ward, Hamilton Camp, Pat Musick, Rob Paulsen, Frank Welker, Jim Cummings, Brian Stokes Mitchell, Ed Gilbert
