Musty Musketeers (1954)

Set in the middle ages, the stooges wish to marry their sweethearts, but the King won't give his consent until Princess Alicia gets married. The princess is abducted by Mergatroyd, an evil magician who plans to marry her and become ruler of the country. The stooges help the princess escape and then defeat the magician and his henchmen in a sword fight.