Continuity mistake: At the start, while Peter and the kids are watching TV, the buttons on Peter's shirt are on his left side, but in Peter's closeup the buttons switch to his right side, where they usually are. The switching happens again in following shots.
Episode VI: It's a Trap - S9-E18
Continuity mistake: In S8xE20, "Something, Something, Something, Dark Side," when Han was frozen in carbonite he was smiling with head turned toward his right side, but in this episode, after Jabba watches Luke's message, Han's carbonite is hanging on the wall and now Han is smiling with his head turned toward his left side. (00:05:10)
Episode VI: It's a Trap - S9-E18
Continuity mistake: When Leia frees Han, the buttons she pushes to free him change repeatedly.
Episode VI: It's a Trap - S9-E18
Continuity mistake: Luke's handcuffs disappear when he almost falls into the pit.
Episode VI: It's a Trap - S9-E18
Continuity mistake: When C-3PO says "Oh My God!", there's a Greedo-like alien on the stairs, but when R2 plays the message about Luke, the alien is no longer there.
Continuity mistake: Near the end of the episode, Joe and Quagmire are shown sitting at a booth inside the bar with Joe pulled up to the corner of the booth. As Peter apologizes to them, Joe is no longer seen next to him. As Peter takes Quagmire's check, a part of Joe is seen sitting in the next booth. In the shot after, he disappears again for the rest of the scene.
Seahorse Seashell Party - S10-E2
Continuity mistake: Brian cuts his entire ear off. The top of his ear reappears a few shots later.
Screams of Silence: The Story of Brenda Q - S10-E3
Continuity mistake: When Lois and Peter help Quagmire to the couch, the clock on the wall says 7 pm. The next shot shows 2 am.
Screams of Silence: The Story of Brenda Q - S10-E3
Continuity mistake: When Lois and Brenda are out eating, Lois closes her menu when the waiter comes by. But the next shot of her menu it's open when we don't see her touch it.
Screams of Silence: The Story of Brenda Q - S10-E3
Continuity mistake: When Brenda arrives at her intervention, she sits down and puts her purse on the floor. It disappears for the rest of the scene.
Screams of Silence: The Story of Brenda Q - S10-E3
Other mistake: This episode is the only one in the entire series where there's a peephole in the door.
Screams of Silence: The Story of Brenda Q - S10-E3
Continuity mistake: Throughout the entire intervention scene you can see Brenda's hands. After her boyfriend starts talking he says they are getting married. Brenda holds up her hand to show her ring and suddenly there's a splint on her finger.
Screams of Silence: The Story of Brenda Q - S10-E3
Continuity mistake: When Peter and Joe find Quagmire hanging from the ceiling, he has 2 black eyes. Minutes later in the hospital, they look normal.
Stewie Goes for a Drive - S10-E4
Other mistake: Stewie is standing up on the driver's seat yet he can drive a car normally. His feet don't touch the pedals so how is the car moving?
Stewie Goes for a Drive - S10-E4
Continuity mistake: Stewie packs his backpack, opens the window and slides down the drain pipe. When Brian comes in to get him, the window is closed, but Stewie didn't do it.
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)
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)
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)
Character mistake: After Stewie and Brian go to tell the past versions of themselves not to tell 1999 Brian about 9/11, Stewie then finds out that Brian then told 1999 Brian to write the Harry Potter novels. This would have been impossible because the first Harry Potter novel was published in 1997, 2 years before the time period Stewie and Brian arrive in. (00:16:35)
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)
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