Continuity mistake: At the airport Howard stands in front of a departure sign that says local time is 11:08, yet just a few minutes later Eunice tells Mr. Larabee that it's 12:05.
Continuity mistake: Watch the bar scene about ten minutes from the start of the film. The barmaid is holding 2 pints, but note how the froth disappears when the shot changes as they are placed on the bar.
Continuity mistake: As Allen is preparing for his blind date, he knocks almost everything off the second shelf of the medicine cabinet, while trying to control the hair dryer. When the camera changes position, however, it's all back on the shelf. (00:21:30)
Continuity mistake: During the song "Money, Money", Sally (who is singing with the Master of Ceremonies) has nail polish on. This changes color throughout the song, and in the close-ups this becomes more obvious. At the beginning of the song we see that it is green. Later, while we hear, "You can take it on the chin" we see that it has changed color to red. In the end of the song, while "It makes the world go round" it has returned to green.
Continuity mistake: When Abel rams the sheriff's car, he is driving a 1966 Chevrolet. He leaves and ends up at the veterinary clinic, where the doctor injects him with a poison. During the following chase, Abel's car becomes a 1967 Chevrolet, then reverts back to the '66 Chevy.
Continuity mistake: Pickett Smith has his shirt sleeves rolled up at the movie's beginning, then they're rolled down and buttoned then rolled back up before his canoe gets knocked over.