I attended a Christian school, where they told us that, come Judgment Day, every thing we'd ever done would be shown to everyone who ever lived (like a movie), and that we would be terribly ashamed when all of our sins were revealed.
I kind of believed this. But even at the age of 11, I thought "Well, if we all have to watch ALL the sins of ALL the billions of people who have ever lived -- by the time they get to me, everyone will be too bored to pay attention.
A childhood belief about afterlife

others believed things like this
- I used to believe that the closer it was to Sunday, the worse your sins were.— heathen
- It never occured to me as a child that teachers lived in houses. I thought they lived at school...— Heidi, Pittsburgh, PA
- when i was 4 my mom told me we lived in Indiana and i would tell people we lived in DianaAnon
- i used to think that mcdonalds served ballons..(the sign said billions and billions served)Anon
- I used to believe that my school teachers lived inside the school and my school bus driver lived on the bus. Anon
- I believed that teachers lived in rooms above the school gym.— Kelly