Margaret turns and runs up the aisle twice after the wedding.
During Balthazar's song, Benedick is hiding behind the hedge, but when the camera shot changes, he is by the fountain, in clear view of Signor Leonato, Claudio, and Don Pedro.
After Balthazar's song, Benedick leaves his deckchair without folding it properly. In a subsequent shot the chair is folded perfectly.
As the wedding party emerges from the front door in the final shot, the crane used to achieve the elevated view is briefly visible.
When the ladies of the household are hurriedly bathing (the opening credits are still running), one lady's bottom has a distinctly modern bikini tan.