I used to believe that TV show ratings were actually law. Once I accidentally started watching an 'adults only' movie but turned it off after about five minutes, I spent the rest of the day worrying that the police were after me since I wasn't an adult.
A childhood belief about police

others believed things like this
- I thought when a movie was unrated it meant it was so bad it exceeded all the ratings!— Oizys
- That boys turned into women when they became adults and girls turned into men when they became adults. Anon
- I used to think if you got a parking ticket, you spent the rest of your life in jail!— Dixie Chicks Fan
- I used to believe that school was a place kids go to get turned into adults.— Samantha
- after watching "the wizard of oz" i thought kansas was black and white and the rest of the world was color!— kelly
- I used to believe that the credits at the end of a movie was a list of people in that were watching it.— jon_