Only mystery that came close was “Who is Eric Cartman’s father?” a few years later.

but, who's his mom?!

It made no sense whatsoever.

The Denver Broncos?

Did you see that Brent Forrester did a youtube video explaining the process behind this episode? Found it pretty interesting, and I had no idea about that weird contest they did.

I still think Waylon Smithers successfully frame Maggie Simpson and there's nothing that can change my mind.

yeah I remember the contest. I thought it was for the replica Simpsons house but I guess I remembered wrong and this one was for if you won you'd get animated into a future episode. no one won it though. but the way it was done was so weird. like you had to call 1-800-Collect and use the service and then they'd take down your info. THEN later on in that summer they would call 200 random people from the list. people either didn't answer the phone or just guessed wrong. majority guessed Smithers.

Burns walks past the Simpsons wagon, Maggie is inside with a lollipop, Burns wants the lollipop, they struggle, Burns' gun slips out of his jacket holster, hits the floor, fires.

What made no sense was the blocking dome that somehow covers the entire town, even at sunrise and sunset, but is never visible in any horizontal shots (heh).

Spoilers!!

“…and with your last ounce of strength, you pointed to W and S…”

“What? No, with my last ounce of strength, I sucked out my gold fillings and swallowed them!”

Like taking candy from a baby

The best part is not only did they not put the answer in the next episode they originally didn't even make one

It was Tito!

gasp my tool shed

America doesn't riot, but the closest they ever came was how South Park resolved that cliffhanger.

That song he sings about Mr. Burns is fantastic.

Edit: link