Best animated movie mistakes of 1989

Continuity mistake: When Carlotta brings the plates for the meal they all have a dome cover with a top handle, but when Sebastian runs across the table those handles have changed. (00:54:50)

Super Grover

Plot hole: They go and buy Anne Marie a whole new wardrobe. So, how come in the remainder of the movie she continues to wear her old rags?

Continuity mistake: The snowman hits his nose with a hammer, completely bending it in half. In the next shot it is suddenly magically straight again.

Continuity mistake: When Wallace races out to get the crackers Gromit is seen spinning in his chair, to the right of the screen is the handbrake in the down position. When the ship blasts off Gromit realises he's left it on and puts it from the up position to the down position. (00:08:30 - 00:09:20)