Continuity mistake: At the very end of the movie, when the cartoon characters start singing "Smile Darn Ya Smile" together, Just before the scene changes, the cartoon background is gone. When the cartoon characters lets Eddie, Roger and Jessica go to Toontown, the background reappears.
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Suggested correction: No, the background is always there. When Eddie et al. appear the angle is shot from behind the cartoons. Then the humans start to walk and the camera is focused on the ground, then rises and the background is there. No mistake.
