When I was around 8 or 9, I saw Rolf Harris (UK TV personality) do a skit dressed up as Jake the Peg, who had an extra leg. The leg of course was fake, but to me it looked real. From then on I believed that Rolf actually did have three legs, and when he presented other shows like 'Animal Hospital' he just tucked his extra leg down his trousers or something.
A childhood belief about tv

others believed things like this
- I used to believe that God looked like/was Rolf Harris— Dave
- I used to believe that Rolf Harris and Timmy Mallet were one and the same... I have absolutely no idea why...— Danny Leonard
- i used to beleive taht when you turned 14 years old you wuld grow an extra toe— kirsty
- I believed that I had a fake right big toe, having lost my real one in the plug holder (thanks Helen!)— Mike
- I used to think that "extra body" shampoo meant you could use the runoff suds to clean your body.— Christy
- I used to believe that I was the only real person in the world and that everyone else were fake things!— supermk342