I thought the guy who got shot at the beginning of Gunsmoke was replaced every week by a live guy.
A childhood belief about tv

others believed things like this
- I used to believe that guns shot out blood because everytime somebody shot a gun in a movie you saw blood.Anon
- Until I was around 8 or 9 years old, I thought dentists took your teeth out and replaced them with new teeth.— Verapamilo
- I Believed that somthing took the bread from the toaster and replaced it with toast.— Shukun
- I thought the song "Hit me with your best shot" was "Hit me with your pet shark"Anon
- I used to believe that the heart at the beginning of the I Love Lucy Show was made of real chocolate.— Krissa
- I thought that "tomorrow" was one of the days of the week— Frank