During the outro to every Flintstones episode, Fred would leave a bottle or two made out of stone for the milkman, I used to think he was leaving out an antique bottle to catch rain!
A childhood belief about cartoons

others believed things like this
- I thought that elmers glue was made from milk, since it had that cow on the glue bottle. — Monty
- that a piece of liver in your fridge if left overnight would wrap itself around a bottle of milkAnon
- When I was little I used to believe that God looked like the Great Gazoo (the alien from "The Flintstones").— Susan
- My dad thought when he was little, rain was caused by army guys in the clouds with rain guns. — Daughter of the Weird
- I used to believe I could control the weather by singing rain rain go away or blowing the clouds away.— Shannon
- Until I was a teenager, I believed that rain made worms came out of driveways.— Marc