 Johan tells him that the flutes are dangerous and must be brought back to the Smurfs, but Peewit begins to carve a phony flute to give to them instead.At the castle, Johan and Peewit give the flutes back to the Smurfs, and after they leave, Peewit starts playing the flute, only to realize (to his horror) that it has no effect on the townsfolk; it is the fake flute he had made!The film is based on "La Flûte à six trous" ("The Flute with Six Holes"), which appeared in the Belgian weekly comic "Spirou" magazine in 1958/59.