In this episode Ralph Monroe is a bad cook, contradicting an earlier episode in which she is an expert cook.
At the drive-in theater the speaker flies into the side window of a couple kissing. The window appears shattered in close-ups, but it does not appear to be shattered in wider shots.
The neighbor's speaker that Oliver borrows has the wire coming from the side opposite to where it should be. It is facing Oliver's car even though the speaker hangs from the opposite side of the pole.