Most memorable episode

I might have the title wrong but I like the "Timmy O'Toole" Episode & The April Fools Episode :)

http://i.minus.com/iDEOG8ez198HW.gif

For me it's either "You Only Move Twice" or "138th Episode Spectacular." Both are true classics, but Hank Scorpio is probably the best one-shot character in the entire series.

Always like this clip :)

http://i84.photobucket.com/albums/k30/lodemarcos/simpsons-4.gif

Two dozen and one greyhounds. Season 6 episode 20
Just because of te see my vest song

"Feel this sweater, there's no better
Than authentic Irish Setter.
See this hat, 'twas my cat.
My evening wear, vampire bat.
These white slippers are albino
African endangered rhino."

Hell I bought a simpsons cd just for the song back in the day.

This is one of my favourite scenes of all time

The one where Homer gets really fat so he can works at home (King Size Homer) and the one they visit NYC (The City of NY vs Homer Simpson).

These are all great moments and episodes!
I would have picked the shining parody but in truth I love all the halloween specials!