A Picture Is Worth 1,000 Bucks - S2-E11
Continuity mistake: When the hotel employee gives Peter the key to the room, the man's moustache turns yellow for a second.
A Picture Is Worth 1,000 Bucks - S2-E11
Continuity mistake: In one shot of the Griffins at the hotel, Brian's collar is yellow instead of red.





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