Continuity mistake: Dee's position on the airport carousel changes. She's going through the door in one shot, and then she's further out. Then, in the final shot, she goes through the door again.
Continuity mistake: As Charlie enters the bar Dennis is writing a sign that says: "Carmine's A Place for Steaks." A shot later and the sign is unfinished, with the words, "Carmine's A Place..." The words "for Steaks" are not on the sign.
The Gang Goes on Family Fight - S10-E8
Continuity mistake: When Dee hits the buzzer, it completely disconnects from the table and flies some distance away. In a panning shot shortly afterward, the buzzer is hanging from the table by a cable. (00:11:55 - 00:12:35)