Halloween on Spooner Street - S9-E4
Continuity mistake: When we first see Joe's police car in his driveway, the lights on top of the car have the blue half on the driver side and the red half on the passenger side, later on in some scenes the red half is on the driver side while the blue half is on the passenger side.
Halloween on Spooner Street - S9-E4
Continuity mistake: When Joe is dispatched to the domestic disturbance, while he's in the house with the couple Joe's badge quite instantly switches to the opposite side of his shirt, then it's back to its original side. (00:11:10)
Chosen answer: It's a real song called "Elvira". Originally by Dallas Fraizer in '66, however, this version seems to be the Oak Ridge Boys cover version. However, the mega lesbians skip the verse and just sing the chorus after the opening line.
Bishop73