Continuity mistake: Lois is wearing a green dress when peter is looking at her from the stage, but she's wearing a blue dress throughout the scene.
Continuity mistake: After the "Lint" scene, Meg's glasses disappear.
Revealing mistake: Einstein's eyes briefly pop out of his head during the Theory of Relativity scene.
Revealing mistake: Death's right foot disappears when he gets up after he says "You know, my ankle is starting to feel better." (00:21:15)
Revealing mistake: While Lois is unbuttoning her shirt, Death's feet and legs aren't visible on the couch, even though he is lying on it.
Continuity mistake: Stewie's overalls are missing during one of the shots of the Griffins at court.
Family Gay - S7-E8
Continuity mistake: Just before Peter tells Chris he is the man of the house, he is standing with his arm around his partner Scott's back standing in front of him. Next shot, he is now standing even with Scott, 90° more turned to Chris.
Continuity mistake: As the helicopter is shown sliding down the hill, it is shown from several angles to have just a single rotor blade. However, one shot shows two rotors, one of which disappears halfway through the shot. (00:16:10)
Boys Do Cry - S5-E15
Revealing mistake: When Peter brands the cow, no burn mark is left on the cow. (00:18:20)
Boys Do Cry - S5-E15
Continuity mistake: At the Little Miss Texas pageant, just as Lois finishes saying "It's what you do when you're in Texas", she and Stewie walk past a judge and a little girl. In a close-up of Stewie, the judge and little girl have suddenly become a plant. (00:15:25)
Continuity mistake: Peter says "Oh crap" as soon as he realises Ernie the Giant Chicken is looking at him in the window. When the camera pans over to Ernie, he is standing an inch away from the glass. It then cuts to a wide angle where Ernie jumps through the window, and he has instantly moved back a few inches. (00:07:00)
Continuity mistake: In the restaurant scene during the chicken fight, after Peter says "oh yeah? What are ya gonna do about it?" the chicken already has a black eye just before they begin fighting.
Continuity mistake: During the chicken fight, when the cruise ship crashes into the airport, the man directing the planes disappears a split second before he gets run over. (00:05:50)
Audio problem: When Brian says "Well so much for finding food at the Stop 'n' Shop", his mouth doesn't move. (00:09:10)
To Live and Die in Dixie - S3-E12
Continuity mistake: When the FBI agents are telling Lois that the killer knows where they are, the sky keeps alternating from night to daytime and back.
Continuity mistake: In the scene with the multiple versions of Stewie and Brian come back to 1999, one Peter is with one of them. When Stewie asks everyone to vote between 9/11, Peter is standing in the foreground, but disappears when one of the Stewies says Brian had his throat slit. (00:18:25)
Other mistake: When Stewie and Brian are in Stewie's bedroom in the future, Stewie's time machine is nowhere to be seen. (00:15:00)
Revealing mistake: When Stewie and Brian appear in the future and watch the Griffin family in the future, the pole of the staircase Brian is holding is differently animated to the rest of the staircase. (00:13:25)
Continuity mistake: When Peter (from 1999) arrives at Quagmire's house for the stag party, the window is small. But in the next shot when Brian looks through the window, it is a lot bigger. (00:05:55)
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