Season 10 - 3 votes(6 total)
Season 2 - 3 votes(4 total)
Season 3 - 3 votes
Season 7 - 1 vote(2 total)
Three seasons got 3 votes, but only two had previous votes, so Seasons Two and Ten are gone.
D'oh!
1) Season One(ROUND THREE)
2) Season Two(ROUND FOUR)
8) Season Eight(ROUND THREE)
9) Season Nine(ROUND THREE)
10) Season Ten(ROUND FOUR)
11) Season Eleven(ROUND TWO)
12) Season Twelve(ROUND TWO)
13) Season Thirteen(ROUND TWO)
14) Season Fourteen(ROUND ONE)
15) Season Fifteen(ROUND ONE)
16) Season Sixteen(ROUND ONE)
THE FINAL FIVE
3)
Season Three(3 votes)
Best/Most Famous Episodes:
Bart The Murderer
Flaming Moe's
Radio Bart
Homer At The Bat
4)
Season Four
Best/Most Famous Episodes:
Kamp Krusty
A Streetcar Named Marge
Marge Vs The Monorail
Duffless
Last Exit To Springfield
5)
Season Five(1 vote)
Best/Most Famous Episodes:
Homer's Barbershop Quartet
Cape Feare
The Last Temptation Of Homer
Bart Gets Famous
6)
Season Six
Best/Most Famous Episodes:
Itchy & Scratchy Land
Sideshow Bob Roberts
Lisa On Ice(possibly the best episode in the history of the show)
Bart's Comet
Lisa's Wedding
Who Shot Mr. Burns(Part One)
7)
Season Seven(2 votes)
Best/Most Famous Episodes:
Who Shot Mr. Burns(Part Two)
Radioactive Man
Marge Be Not Proud
Team Homer
Two Bad Neighbors
22 Short Films About Springfield
Homerpalooza
Vote off one.
I vote off:
Season 3
Those two(and four others) are already gone. 
