Continuity: In a scene where Don Knotts is in the old Simmons mansion, he falls down a chute of some kind. If you watch closely you will see the stunt person looks nothing like Don Knotts. It is a younger man with very straight hair.

Continuity: When Don Knotts (Luther) is in the Simmons' mansion, his flashlight moves when the light from the flashlight does not. One time, while leaving a room, his flashlight points away from him, but the light actually shines on him.

Continuity: In the scene where Mrs. Maxwell, the head of the "Occult Society", is arguing with her husband Milo, watch her dish of tapioca. In the first shot, a profile shot, the dish is full. When the shot switches to a head-on shot, the dish is nearly empty. In the next profile shot, the dish is once again full and she's just then taking her first bite.

Continuity: In the scene where Luther and Alma are eating chicken noodle soup together in the restaurant, Alma's boyfriend comes in and begins making fun of Luther. He gets angry and storms out, telling the cashier to put the bill on his tab. She replies that he doesn't have a tab, and he begins to feverishly dig for money in his pocket. If you watch as the scene begins to fade out, Don Knotts stops searching for the money and acts calm really quick, like the director just yelled "cut".