When Jo is getting ready to drive away and her mother wants to come along, she reaches to fasten her seatbelt which is subsequently unfastened/fastened between shots.
When Dig rescues Gilbert from the psychiatry he breaks down a grating. The position of this grating on the floor of Gilbert's cell changes during shots.
When Josephine drives the car herself, she has curly hair when she gets in, and straight hair when she gets out.
Dig's nonexistent legs can be seen in one scene.
At the very beginning, a family is sitting down for dinner with a guest. The mom says the meal is takeout from Pizza Hut. Pizza Hut did offer Spaghetti in the 1990's and early 2000's.
Reflected in the window of Jo's station wagon as she drives away after talking with her mother.
When Gilly and the herd of cows wander into town, the reflection of the camera crew and dolly track are visible in one of the store fronts when it cuts to the townspeople.