On the night of the Blue Moon Festival, Clumsy accidentally brings Gargamel, the evil wizard, right into Smurf Village and the Smurfs flee to New York City where they must try to find a blue moon to take them back home.

"Based on the characters and works of Peyo." "Based on the screenplay by J. David Stem & David N. Weiss and Jay Scherick & David Ronn ; story by J. David Stem & David N. Weiss."