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Dr. Phibes, tired of being outsmarted by our heroes, revises his nano formula to increase his IQ. It also inflates his head. Now, Shaggy and Scooby must stop him from releasing a gas that will drastically lower the world's intelligence.
First Air Date : Sep 23, 2006
Last Air date : Mar 15, 2008
Episode : 26 Episode
Season : 2 Season
Runtime: 22:14 minutes
Studio: The WB
Country: United States of America