Wonderworld makes one's dreams become reality, and for Velma, that would be solving a mystery with Sherlock Holmes.

The gang gets badly entangled in the mystery of an alien thief and the rare metals that go missing from a research lab; some vampires ruin a beautiful evening; Scooby and Scrappy's "noodle" power saves the day.

When the Neon Phantom appears at the Hollywood Bowl and cuts out the electricity, the kids chase him to find out what he's up to.

While vacationing in the Florida Keys, the kids encounter the Snake Demon, and Daphne mistakenly buys an idol that it has cursed.

A spooky specter disrupts an air show.