On the episode where Bob gets stuck in the wall (season 1,epiode 2: Crawl Space), at the end where they're outside. Bob has 5 o'clock shadow from being in the wall so long. Louise (bunny ear girl) asks for her nighlight back
(Which,slowly going crazy in the wall, befriends it). They start fighting over it.If you look at Bob's face, he has that 5 o'clock shadow. But when it zooms out, if you look at Bob's face again, he's clean shaven (unless you count his mustache! I posted also posted How Could You Do That Without Choking?!?!?! Simpsons slip-up, I just had problems with my email address.