I thought Spongebob Squarepants was a piece of Swiss cheese.
A childhood belief about cartoons

others believed things like this
- i used to believe i was spongebob squarepants in a previous life.— former sponge
- I thought swiss cheese came from the moon.— Patti
- i believed that the holes in swiss cheese were cow farts.— lily
- When i was a kid, i thought that nematodes would eat our house like in one episode of SpongeBobAnon
- At the time I thought the moon was made of cheese and with oceans of cheese— 123
- I used to think that Spongebob took place on LAND.— Eeveelover8632