German Guy - S9-E11
Continuity mistake: When Franz Gutentag falls off the step towards the end of the episode, Herbert is on the porch of the house and reaches out to him. When we see the shot of Gutentag falling in slow motion and the birds fly away, there is no sign of Herbert on the porch.
Jerome Is the New Black - S8-E7
Continuity mistake: When Brian and Quagmire are eating at the steak house, Quagmire is seen cutting and eating his steak. When he gets up from the table, the steak is whole.
Continuity mistake: Peter is sitting on the couch talking on the radio. You see the phone sitting on a table beside the couch. But when Peter picks up the phone to call Quagmire, the phone is right beside him, without him ever moving it from the table.
Continuity mistake: Death has the TV remote asking how old the TV is. As Lois talks, he puts it down, then it suddenly disappears altogether.
Continuity mistake: As Quagmire and Cleveland are talking to Peter, the hat Cleveland is wearing disappears and reappears between cuts.
The Most Interesting Man in the World - S12-E17
Revealing mistake: When Peter is attempting to sneak into the Drunken Clam whilst keeping an eye on Stewie, Peter rips out his eye and throws it towards Stewie, though his glasses are in the way of his eye. (00:03:10)
The Most Interesting Man in the World - S12-E17
Continuity mistake: When Peter, Joe and Quagmire are watching Superman, they are first shown with three glasses on the table, one for each. After the scene of Superman is played on the TV, there are suddenly five glasses on the table. (00:03:30)
Continuity mistake: When Peter is eating dinner with Lois and her parents, on his plate there is mashed potatoes and meat loaf. Peter shovels potatoes in his mouth then spits them out all over the table. When his plate is shown again, the meat loaf has disappeared from the plate even though he didn't touch it.
Revealing mistake: As Stewie is walking toward Herbert's house, he just suddenly appears mid-screen.
Revealing mistake: Right after the "Ghost Whisperer" cutaway, while Peter, Chris, and Lois are sitting on the couch, Chris' eyes disappear for a single frame. (00:09:10)
Continuity mistake: At the Founding Father Restaurant, Stewie is drawing on a treasure map in red crayon and Peter takes it. In the next scene, where Peter shows the map to Quagmire and Joe at the Clam, the red crayon mark is no longer there.
Revealing mistake: When Peter leans down to get the basketball, a dot briefly appears on his shorts, then disappears almost immediately.
Revealing mistake: When Peter says "kicking, Lois?", after being kicked into the stereo, his nose very briefly turns white. (00:20:00)
Fast Times at Buddy Cianci Jr. High - S4-E2
Continuity mistake: As Peter and Chris egg their own house, one of the splattered eggs disappear as soon as Brian opens the door, without any shot change.
Death Lives - S3-E6
Continuity mistake: When Carter says "a million dollars", after giving Peter a check, Carter's eyebrows disappear.
Stuck Together, Torn Apart - S3-E19
Continuity mistake: After Quagmire changes the time on the clock, the clock disappears in the next shot.
Audio problem: In the flashback of Handful of Peter singing about the Indian chief, the musical notes Peter and Lois play continue to change pitch after they take their hands off their instruments' frets, which should default back to the open string notes.
A Picture Is Worth 1,000 Bucks - S2-E11
Audio problem: When Peter comes out of the bathroom with wet hands and goes to dry them, the sound of the dryer is heard before he touches the button.
Continuity mistake: Peter gives Chris a carton of cigarettes and lights one for him to smoke. Camera cuts to Lois, then back to Chris and the cigarette in Chris's mouth and the carton on his lap are nowhere in sight.
Continuity mistake: The gun in Peter's first cutaway vanishes when the stage goes dark.