Until I was about 5 years old I couldn't figure out how it could be nighttime on TV when it was actually daytime outside, and the other way around.
A childhood belief about tv

others believed things like this
- I used to believe that "euthenasia" was "youth in Asia", and I couldn't figure why that was A Bad Thing.— Kellye
- when i was really young, i couldn't figure out why i can't get older than my older sister.— angela
- My Mum told me if I ate too much toast I would get cancer! I couldn't eat it for years and years...— Pauliboy
- When I was a year old, I believed if I hid my face, my mother couldn't see me because I couldn't see her.— kimberly dianne(:
- I can remember thinking that is I hid my eyes, and couldn't see anybody that they couldn't see me.Anon
- I could never figure out what an "Elomenopee" was till I learned the alphabet a bit better. "L-M-N-O-P"— Lula