My sister used to tell me the FBI warning at the beginning of movies meant that I couldn't get up at any time during the film. She kept this up until I was 11. I still don't get up as a force of habit now.
A childhood belief about police

others believed things like this
- I used to believe that an animated film meant that the film had live animals in it.— reverb
- I used to believe that "sue" meant murder, so in movies when someone is getting sued I got really confused— I don't know
- 'To Be Announced' in the TV guide was a film that was on all the time!— Clare
- I used to think actors in movies sometimes had to actually die to make the movies look real.— Dero
- I used to believe that the "no outlet" sign on roads was a warning to people driving electric cars.— c
- After Grange Hill's "Just say no campaign" that people would force me to take drugs ... if only.— Netty