What's New, Scooby-Doo? (2002)
S02E09 Simple Plan and the Invisible Madman
Episode Overview
On their way to the Montreal Rock Festival, Scooby-Doo and the gang find themselves in a thrilling adventure when they come to the aid of the band Simple Plan. The group faces a mysterious threat from an unseen villain who is wreaking havoc. With their trademark sleuthing skills, the gang must uncover the identity of the invisible madman and save the day before the festival is ruined.
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