Episode Title:Pardon My Molecules.Episode Description:While on a trip to the desert, Huey and Dewey's game of race cars leads to a bitter argument. Meanwhile, Donald and Daisy head to a secret lab where they're kidnapped by a scientist who wants revenge on Daisy for ridiculing his painting years ago. But when Huey and Dewey are merged together by one of the scientist's inventions, they must learn to work together to save their parents.