The children of Crystal Cove are transforming into little monsters by the flute-playing Que Horrifico. While the town monopolizes on the looming threat, the gang tries to stop it.
The episode provides examples of:
- Breather Episode: The first episode with no effect on the Myth Arc, instead being a more fluffy piece.
- Dance Party Ending: The gangs Central American teacher plays a pan flute theme to celebrate with them at the end.
- The Fair Folk: Que Horrifico has many traits associated with the fae.
- Impossibly Cool Clothes: Severely averted by the tight pants Velma bought for Shaggy and insists he wears. He could barely walk in them, let alone look good in them. He goes back to his oversized pants at the end.Shaggy: Shaggy likes baggy!
- It Has Been an Honor: In episode 5, when Scooby and Shaggy are moments away from impending doom at the hands of spookified children.Scooby: Goodbye Shaggy. You were a dog's best friend.
- Like Is, Like, a Comma: Lampshaded with Velma making Shaggy or someone else snap his wrist with a rubber band every time he does it.
- Magic Music: Subverted. The music isn't actually magic. It was just a signal to the kids to start acting like they'd been turned into monsters.
- Pygmalion Plot: The Shaggy/Velma B-plot.