Continuity mistake: When Chris hides the vodka from his teacher, he holds his right hand behind his back with his left arm at his side, but in the next shot, both his hands are behind his back. (00:09:40)
Continuity mistake: When Brian tells Meg and Chris to sit on the sofa, Meg's hands change position from between her legs to on her knees between shots. (00:07:10)
Continuity mistake: When Peter crashes the car, Lois' seatbelt keeps disappearing and reappearing from the car. (00:05:02)
Continuity mistake: The bag of crisps that is on Peter's lap at the start have completely disappeared when Lois walks in a few seconds later. (00:01:50)
Other mistake: When Lois is saying about not having a spark in their marriage any more, the headboard of the bed keeps changing shades from light to dark in very quick succession. (00:03:00)
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