
A Very Special Family Guy Freakin' Christmas - S3-E16
Continuity mistake: When Lois reminds Peter to go get the tree, there's a wreath with a bow hanging on the wall between the two pictures behind the couch, but when Lois convinces Peter with the promise of a new VCR that wreath has vanished, then it reappears and disappears again when Peter returns with the tree. Also, the plate of cookies that are on the arm of the couch seem to vanish as well.

Stuck Together, Torn Apart - S3-E19
Continuity mistake: Mort tells Peter to start dating again while Peter is flipping through a magazine, When Mort sits down however the magazine has gone. (00:17:10)

Brian Wallows and Peter's Swallows - S3-E17
Continuity mistake: When Lois and Peter are wrestling with the gun on the floor it goes off breaking the window. However the gun then simply vanishes. (00:12:40)

The Kiss Seen Around the World - S3-E8
Continuity mistake: Just as Huw Down's tackles the gunman on the roof, Meg and Neil disappear from in the helicopter. In fact the entire inside of the helicopter disappears. (00:12:50)

Death Lives - S3-E6
Continuity mistake: Death and Peter look through the window of the bar in Hawaii and are stood next to the window. When the camera cuts they are stood much further back. (00:14:50)

Brian Does Hollywood (2) - S3-E2
Continuity mistake: When Brian is talking to the director, the director has got Brian's script in his hand then on the table neatly positioned. (00:10:50)

The Thin White Line (1) - S3-E1
Continuity mistake: At the end when Brian leaves we see Stewie run outside. However all the party decorations, party goers and furniture has disappeared from inside the house. (00:20:30)

The Thin White Line (1) - S3-E1
Continuity mistake: When Meg is holding the newspaper up about Brian, the paper vanishes instantly. (00:07:20)

Family Guy Viewer Mail #1 - S3-E21
Continuity mistake: When the tanker is heading towards the family home, the front is not scraping on the floor. When the camera changes it is. (00:08:00)

Family Guy Viewer Mail #1 - S3-E21
Continuity mistake: At the Hollywood party, Peter's glass changes style when the doctor comes to speak to him. (00:06:30)

Family Guy Viewer Mail #1 - S3-E21
Continuity mistake: Just before the second wish, the way Lois is holding Stewie is constantly changing. (00:02:00)

Continuity mistake: When Stewie puts his funky fruit hat on, his book just simply disappears from by Chris' hand. (00:20:20)

Continuity mistake: In the coffee shop Stewie puts his fork down on the table and is visible. When the camera changes to a close up, the fork has gone. (00:17:00)

Continuity mistake: During Brian and Stewie's song, Brian's cane is constantly disappearing and reappearing in consecutive shots. (00:09:00)

Continuity mistake: When Stewie and Brian are singing their duet there is one point where they are lay next to each other on the wall. But in the close up of Stewie, Brian has disappeared. (00:08:20)

Stuck Together, Torn Apart - S3-E19
Continuity mistake: The container of glue that Stewie picks up is facing a different way to all the others on the shelf. When trying to get unstuck the bottle is now facing the same way as the others. Note the label. (00:02:20)

Stuck Together, Torn Apart - S3-E19
Continuity mistake: Stewie takes a glue container off the shelf and leaves a gap which has disappeared when he and Brian are trying to get unstuck. (00:02:20)

Brian Wallows and Peter's Swallows - S3-E17
Continuity mistake: When talking about binary code, the drawing on the board by the the tail of the arrow changes. In the first shot, you see a zero is circled but in the second it's not. (00:03:30)

Continuity mistake: When we see all the Ted Turner puppies, none are feeding from Seabreeze. When the camera changes several puppies are feeding. (00:20:50)

Continuity mistake: After Brian has violated Seabreeze, we see the family sat on two sofas with Peter having one of his arms on the arm of the sofa. When the camera changes, his hand is now on his knee. (00:12:10)
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