Huge Unanswered Questions In The Simpsons

The Simpsons has been on the air for three decades, and there are plenty of questions that the show has raised over the years, even though it's not really the kind of show people watch for continuity. Plenty of characters have come and gone without explanation, and some truly evil characters seem to have gotten away scot-free, but it's not like dangling plot threads are going to lose the show fans, especially at this point. That said, we're still wondering about Marge's inconsistent fear of flying and why Barney is a drinker once again. Let's take a look at some huge unanswered questions in The Simpsons.