As it turns out, the experience wasn’t nearly as magical as many might believe.
The room is terrible," O’Brien teased.
They also got up to some pretty strange hijinks in between penning Emmy award-winning episodes, too.

Conan O’Brien; Homer Simpson.Jamie McCarthy/Getty Images; FOX
“It wasn’t sexy or fun or cool at all,” he admitted.
Listen to O’Brien talk about the Simpsons and ceiling caramel in the clip above.