I used to believe that “Emo” was related to Elmo from Sesame Street.

I used to believe that the caracters were real
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I thought that Count Dracula was the count from Sesame Street
I used to think that on Wheel of Fortune, the wheel was placed above the puzzle board and Vanna White was a tiny person.
I used to believe…
When I was a kid, I tought that peppa pig was real and I wanted to be friends with her.
I used to believe that sitcom stars actually lived in the cities where their shows were set - even though I knew the shows were filmed in studios. For instance, I thought Jaleel White (as Steve Urkel) lived in Chicago, while Jodie Sweetin (as Stephanie Tanner) lived in San Francisco. So, I was quite surprised to learn that these shows were actually filmed right next to each other in Los Angeles!
I used to believe…
Early 1990s, around age 5, I assumed TV shows were created by the TV itself and were unique to each TV. I was blown away the first time I heard another kid talking about a cartoon I thought only I could watch.
I used to believe cartoons where real people. You can imagine how that went...
I used to believe…
When I was very young, for some reason, I thought if you had a gun and shot your television, you would be able to climb inside it and play with all your cartoon friends!
I used to believe…
When I was really little, I misheard "brought to you by" as "broctayu by", thinking broctayu was all one word. I thought it meant something like "affiliated with", as in "these products we're showing commercials for products we liked enough to use on the show". I wasn't entirely wrong, but I had a very naive and simplistic view of it.
I used to believe that Montel Williams was Oprah’s brother and that his name was “Luprah Winfrey”
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I used to think that the TV show "Shark Tank" involved actual sharks in a tank.
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I used to believe…
When i was a child, I used to believe that actors played the movies in all the lenguages availables. It was really impressive!
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I used to believe that TV sponsorships were related to the actual programme, like Domino's Pizza in the Simpsons, or Bristol and West in Friends.
I used to believe…
If you look at a screen too long, your eyes will turn square.
I used to believe…
Because of Jack's Big Music Show, I used to think that a bongo bird was a real species of bird
I used to believe…
When I was a child I used to believe Superman existed because I watched him on TV
I used to think that "show business" was something really boring because of the "business" part. When I heard about adults being very passionate about show business, I was confused because business is something you don't usually act excited about.
I used to believe…
When I was younger I believed that if I were approching too much my TV it would explode.
I used to believe…
When I was a child I used to believe that there were two hands inside the TV making the cartoons move.
that is the lot