It was the latest Treehouse of Horror (XXXIII I believe?) and it was pretty good, I love the ending.
Also yes I watched it because of Super Eyepatch Wolf. I am not an American so I didn't grow up with The Simpsons, although I have watched the movie for some reason.
"A blank page or canvas, his favorite. So many possibilities."
- RIP Stephen Sondheim, 1930-2021