>>109583196I think about that a lot more than I should. Especially when I wish to make my own cartoon and I go back to, "Man, I wish I could make a comedy as goofy as ZIM where a mistake like that just makes it funnier".
There was also an animation error in Ed Edd n Eddy where the original storyboard was "Eddy rides Ed like a camel" but it was accidentally animated so Ed looked like a camel and the showrunner liked it so much, he kept it in.