Scooby-Doo, Where Are You? #70
Sure, most high school mascots are kind of goofy. But when a monstrous version of a mascot goes on a rampage, the only way to solve the mystery is for the Mystery Inc. gang to go undercover-by going back to school! Amid cliques, jocks and algebra, Scooby and the gang might survive the menace of the monster, but can they survive the perils of high school?