When they went for waffle with Dex the maple syrup bottle had more syrup after he used it.
In the flirtation scene at the convenience store, the lollipop sticking out of Daniel's mouth changes positions between shots.
The license plates on the vehicles have the modern red and blue lettering on a white background while license plates up until 1993 were green lettering only on a white background.
At around 37 mins: At the pharmacy, McKayla twice says that she is looking for "Epson Salt". The correct name is Epsom Salt.
Dex drove a Buick Grand National and was seen sitting in it and starting it in his last scene. However, the taillights of the vehicle in which he drives off are that of the '69 Chevy Camaro.
Daisy is playing what is obviously an electronic organ, the closed caption says "organ music" and "organ plays", but the sound is obviously a piano.
Although the movie is set in 1991, in Daniel's room during the opening scenes, the model Mercedes on the drawer is a 2004 model AMG SL 500.
It is stated that Hunter Strawberry burned down the ice cream shop for putting sprinkles on his cone. Cape Codders call sprinkles jimmies.