Frank Drebin: Hey, Rocco. Who's the old bag? She take one in the face?
Rocco: She's my mother.
Frank Drebin: Oh. Mrs. Dillon, your son is a ruthless, sadistic, cold-blooded animal. You must be very proud of him.
Mrs. Dillon: I am.
When Frank is going to look for a disguise he drives into a parking meter. The way the parking meter lies on the hood of the car changes between shots.
The wedding flashback was originally filmed a few years earlier as the ending of the second NAKED GUN but cut from the film.