My Top Ten Simpson's Episodes. These are what I think are the best of the series.

10). Treehouse of Horror XI (Season 12)

The Simpson's exit their house in a Munster theme and are killed by an angry mob except for Lisa who whistles away. Homer dies from choking on broccoli and comes back as a ghost to do one good deed to get into heaven. Homer must rescue Bart and Lisa from a witch in a fairy tale way. Lisa lets a dolphin go free which rules Springfield with its dolphin sea friends.

9). Replaceable You (Season 23)

Homer's new coworker, Roz Davis, steals his job and makes it miserable for him. Meanwhile, Bart and Martin create a robotic seal that shows old people friendly love.

8). Bart Gets an F (Season 2)

After Bart fails a test he didn't study for, he uses a snow day to study for the test to retake it. Mrs. Krabappel gives him another F, but gives him a D when he is able to answer a question he missed through sobs.

7). Homer of Seville (Season 19)

Homer breaks his back and learns he can sing perfect while only laying on his back. He becomes a famous opera singer and grows fans. Marge and Homer are cornered by fans, but are saved by a female motorist named Julia. Julia reveals her true intentions to Homer by trying to have sexton with him. Chief Wiggum sets out a guard watch for Julia. Marge eventually spots her as the music conductor and stops her before she can kill Homer.

6). Treehouse of Horror (Season 2)

Bart tells the story of the Simpson's entering a haunted house that tryst to trick them into killing each other.

5). Gone, Abie, Gone (Season 24)

4). Large Marge (Season 14)

3). Four Great Women and a Manicure (Season 20)

2). Holidays of Futures Passed (Season 23)

1). Trilogy of Error (Season 12)