
Continuity mistake: Herbert sings on his way to the Griffin house and hangs off a lamppost outside the house. Later on, a shot of the Griffin house shows no lamppost outside. (00:05:20 - 00:18:20)

Starring: Mila Kunis, Seth Green, Seth MacFarlane, Lacey Chabert, Alex Borstein

Continuity mistake: Herbert sings on his way to the Griffin house and hangs off a lamppost outside the house. Later on, a shot of the Griffin house shows no lamppost outside. (00:05:20 - 00:18:20)
Factual error: The family stays briefly in a British apartment, however the plug sockets displayed are US standard, not UK.
Trivia: A Quahog is another name for a clam, thus all the jokes and places in town (like the drunken clam bar) the show makes reference about.
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