Continuity mistake: Sheriff Buford T. Justice gets out of his car and leaves the door open. A few moments later, we see a different shot of the car with the door closed. Then a truck drives by and tears the car door off which is open again.
Continuity mistake: Richard Dreyfus comes home drunk after his horrible opening night. He stumbles around the living room knocking over furniture, including a table by the window with a typewriter on top. Next time you see the table, it is all together again.
Continuity mistake: When Tony walks into 2001 that first night, he shakes hands with some guy as he is walking through the club and again a few minutes later. (00:13:00)
Continuity mistake: After tennis, when Annie is driving Alvy uptown in her VW, she spots a parking space on the street and quickly pulls in behind a parked, driverless, red station wagon. Immediately, in the next shot, as they are opening the car doors to get out, they are behind a blue car. (00:27:25)
Continuity mistake: After the disco scene, the protagonist is back home. She receives a phone call from Jacques and meets him. When she has a wine glass in hand, the glass switches hand from left to right in the cut when she sits down.