I'm from Germany and as a kid i used to believe while watching an american series that the actors starring in that series had to learn german ...I really didn't notice that those voices weren't their real voices.
A childhood belief about films

others believed things like this
- When I was a child I used to believe that movies and series were real.Anon
- i used to believe that the voices in my head are actual human beings.Anon
- I thought the Til Tuesday song said "Books are scary!", rather than "Voices Carry"Anon
- I used to believe that God looked like an enormous version of "Woody" from the Toy Story series.— Ryan
- I used to think it was illegal to speak German in Germany because of World War Two.— Anonymous
- I thought cartoons were real, I remember asking my mom why there were lines around the "actors" in a cartoon.— Steven Graziano