>>118850033I mean, I've seen every single episode of the series so far, and Help Wanted is one of my favorites from season 1. I guess you could argue that SpongeBob didn't know Mr. Krabs prior, but not his next door neighbor?
Not to mention, when they met was already retconned before in the 10th anniversary episode, and SpongeBob's first meal in the womb (it was a very odd sequence) was a Krabby Patty