Other mistake: When Lilo jumps off the bed and Stitch catches her, note the placement of everything in the room, such as the towel, bed, window, and rug. Then, when Lilo starts to run downstairs after Nani calls her, the background is the same as before, except it’s flipped, with everything on the opposite side. (00:03:34)
Other mistake: After Moses Puloki gives Lilo the picture of her mother, the other girls come to look at it. In this shot, the panic bar that was on the door is missing. It is also missing in an earlier shot where Moses Puloki walks towards Lilo with the book. (00:07:51)
Other mistake: When Stitch glitches out during the hula class, when he gobbles up the chair that Moses Puloki is holding, Stitch is actually munching in front of the chair while it breaks by itself behind him. (00:34:30)
Answer: It has to do with his molecules breaking down. In this film, he needs to have his molecules "charged". They had not broken down enough in the first film to cause the glitch.
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