That is pretty funny.
The Simpson's is just chock full of that kinda shit. I'm sure I miss 75% of it -- some because I just don't see it, and some because I don't "get it".
A lot of it is references to other shows, books, etc. One of the opening segments (where they come into the living room to sit on the couch, and it's different every time) had a shark-infested pool that they had to jump over to get to their couch.
It wasn't until later that I
realized what "jump the shark" meant (I think I heard it on Howard Stern). They were basically thumbing their nose at the fact that they are still around after so long, and still going strong.