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 Charlie and Itchy are escaping from the pound they are trying to dig under the fence. Someone is shooting at them and blows a huge hole in the fence. When the camera cuts to another shot of them going under the fence, the hole is now gone.
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)Sanguis