During a scene in the doctor's office, Richard is sitting back for the wide shots and leaning forward in the close-ups.
The opening and closing scenes with the family in the kitchen are meant to be the same but the main character is wearing a different tie.
Krista Allen removes a pair of earrings that are a different pair from the previous scene, which is meant to be continuous.
The crew can be seen in many of the shots during the scene on the bumper cars, towards the end of the movie.