Other mistake: When Eve repairs Wall-E, she uses a jack to push him back into shape, putting it in one side, and separating it. Then she slides it to the other side. The jack collapses instantly as she slides it; if jacks collapsed that easily they wouldn't be very useful. The sort of jack she uses doesn't have a release mechanism either. (01:22:30)James King III
Other mistake: When the villagers return to their homes, Po is seen emerging from an alley obscured with dust. In the shot where we can only see his profile, Po's "cape" is blowing in the wind, but the dust does not seem to be affected.
Other mistake: When Schadenfreude is playing the piano the first time he's on screen, he starts off by playing a slow, dark piece. Right before the piece turns to a more jazzy, upbeat number, he plays three final chords: The first is higher then the others, the second is lower, and the third is somewhere in the middle. But, if you watch his hands, the first two chords were mixed up: the first chord is played with his left hand on the lower half of the piano, and the second is played with his right hand, visibly on the higher keys. This doesn't match the audio, as the chord was supposed to be lower then the first, not higher.Kosei-san