Other mistake: In the end credits, the filmmakers misspell the name of the town they wish to thank. They spell it "Coupville", but it's actually spelled "Coupeville."
Other mistake: In the scene when Henry walks over to pick the glass slipper off the ledge it starts raining. All his clothes get wet, except his hair, which stays perfectly dry... (01:36:15)
Other mistake: When Brad gets hit by a car, the car passes by a window, but there's no reflection of the car in the window.
Other mistake: When Charlie is helping Jack watch TV through the window, his mother comes in and talks to him. By this point Charlie has stopped changing channels, but we can see the channel change effect once more.