Continuity mistake: Just after Lois decides to get rid of Chris's pimple, the pimple changes position in relation to Chris's hair. (00:09:30)
Continuity mistake: When Chris is sitting on his bed talking to Doug, the squares on his quilt pattern get smaller. (00:15:05)
Continuity mistake: The interior of the Griffins' bathroom changes color (from yellow to blue), when Chris first talks to his pimple.
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