Normally, ghosts make Shaggy want to curl up small to hide. But that won’t help him his time—because the Atom wants to make him even smaller!

When Velma is forced to stay awake in a hospital bed for 24 hours, Scooby and the rest of Mystery Incorporated do their best to keep their resident super-sleuth occupied. But will their hijinks distract them from solving an even greater mystery?

Welcome to the block party from hell. After barely escaping with their lives, the gang seeks shelter in a nearby town that seems untouched by the disaster. But looks can be deceiving. Meanwhile, in our backup story, Secret Squirrel takes his first steps towards saving the world…maybe.

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

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

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

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

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

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

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

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

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

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