I used to watch fishing shows with my mum and I thought the fishermen on the show were so good that they always caught fish every time they cast their lines! It wasn't until muuuch later that I realized they just cut out all the footage where they didn't catch anything.
A childhood belief about tv shows

others believed things like this
- i used to set up traps to try and catch santa. i never caught him. — santa trap
- I used to think that the actors on tv shows sang the show's theme song.Anon
- I used to believe that you could catch AIDS from just looking at a nud girl. Good thing I was WRONG— Mbm4615
- When I was, like, three, i thought my cat was an evil sorcerer and would cast a spell on me. XD— Bobbet
- There was a time when I thought euthanasia was when veteranarians turned other animals into fish.— Catfish
- I always thought the dots in tapioca pudding were fish eyes.I didn't eat it for years!Thanks alot Ricky!!!— Tapioca