Character mistake: When all the wives are in the van Lois calls Bonnie "Debbie".
Character mistake: At the end, Brian says, 'I guess some mysteries are better left unsolved' and everyone else murmurs their agreement, yet Bonnie is heard saying, 'Peter's got a point'. She should have said Brian.
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