I used to believe that the "maury" logo was just 3 lines instead of a letter m, since the m was usually the same color as the background and I only saw the lines in the negative space.
A childhood belief about tv shows

others believed things like this
- I used to believe that the lines on roads were for motorcycles to drive on.— Downes
- When my dad was young,he used to believe that the lines on a globe were on the world itself.— LINE MACHINES!
- I used to think that the lines outlining each of the states found on a US map were really there.— Anna
- when i was younger i used to believe that if i step on the lines of the tiles i would die — arouf gangsta
- I used to believe that fax machines and computers sent real sheets of paper through the lines.— H
- When I was younger I thought that the jets that leave lines in the sky were rockets — Harry