When Ollie loses his hat in the cemetery, there are two hats lying on the ground before Stan loses his.
The Judge does two spit-takes between shots when he sees the newspaper headline.
When Stan accidentally fires his gun in the detective agency office, he boss loses his hat. But, in the next shot of him, his hat is back on his head.
When The Tipton Slasher is chasing Stan and Ollie around a table, he falls. He is then shown getting up and retrieving his large sword twice between shots.
During the time Judge Foozle (James Finlayson) lies in the bathtub trying to avoid The Tipton Slasher (Noah Young), the soap bubbles disappear from one scene to the next.