Revealing mistake: At the cemetery, a reporter nudges a headstone and it moves, revealing it is fake.
Factual error: There is a scene where the teenage girl says "She lets me drive her car and I don't even have my Learner's Permit yet." The setting is in New Hampshire. New Hampshire does not issue Learner's Permits. NH law is that the driver must be at least 15 1/2 years of age and accompanied by a licensed driver who is at least 25. You can then get a license at 16.
Lydia Mertz: Suzanne used to say that you're not really anybody in America unless you're on TV... 'cause what's the point of doing anything worthwhile if there's nobody watching? So when people are watching, it makes you a better person. So if everybody was on TV all the time, everybody would be better people. But, if everybody was on TV all the time, there wouldn't be anybody left to watch, and that's where I get confused.