I know a lot of you don't keep up with The Simpson, but some still keep up with this yearly episode.

Also here's the Treehouse of Horror schedule on FXX:

MONDAY, OCTOBER 23 (6pm – 12am) – Theme: “Kang and Kodos”

“Treehouse of Horror I” (Season 2)
“Treehouse of Horror II” (Season 3)
“Treehouse of Horror VII” (Season 8)
“Treehouse of Horror IX” (Season 10)
“Treehouse of Horror XV” (Season 16)
“Treehouse of Horror XVI” (Season 17)
“Treehouse of Horror XVII” (Season 18)
“Treehouse of Horror XVIII” (Season 19)
“Treehouse of Horror XXII” (Season 23)
“Treehouse of Horror XVIV” (Season 25)
“Treehouse of Horror XXV” (Season 26)
“The Man Who Came To Be Dinner” (Season 26)

TUESDAY, OCTOBER 24 (8pm – 12am) – Theme: “Classic Horror Monsters”

“Halloween of Horror” (Season 27)
“Treehouse of Horror II” (Season 3)
“Treehouse of Horror IV” (Season 5)
“Treehouse of Horror X” (Season 11)
“Treehouse of Horror XIII” (Season 14)
“Treehouse of Horror XIV” (Season 15)
“Treehouse of Horror XX” (Season 21)
“Treehouse of Horror XXI” (Season 22)

THURSDAY, OCTOBER 26 (8pm – 12am) – Theme: “Set at Springfield Elementary School”

“Treehouse of Horror III” (Season 4)
“Treehouse of Horror IV” (Season 5)
“Treehouse of Horror V” (Season 6)
“Treehouse of Horror VI” (Season 7)
“Treehouse of Horror XII” (Season 13)
“Treehouse of Horror XIX” (Season 20)
“Treehouse of Horror XX” (Season 21)
“Treehouse of Horror XXV” (Season 26)

FRIDAY, OCTOBER 27 (6pm – 12am) – Theme: “Devils, Witches, or Occult!”

“Treehouse of Horror” (Season 2)
“Treehouse of Horror III” (Season 4)
“Treehouse of Horror IV” (Season 5)
“Treehouse of Horror VIII” (Season 9)
“Treehouse of Horror XI” (Season 12)
“Treehouse of Horror XII” (Season 13)
“Treehouse of Horror XIV” (Season 15)
“Treehouse of Horror XVI” (Season 17)
“Treehouse of Horror XVII” (Season 18)
“Treehouse of Horror XVIII” (Season 19)
“Treehouse of Horror XXIII” (Season 24)
“Treehouse of Horror XXV” (Season 26)

SUNDAY, OCTOBER 29 (4pm-8m) – Theme: “Elements of Body Horror”

“Treehouse of Horror VII” (Season 8)
“Treehouse of Horror VIII” (Season 9)
“Treehouse of Horror IX” (Season 10)
“Treehouse of Horror XIII” (Season 14)
“Treehouse of Horror XIV” (Season 15)
“Treehouse of Horror XV” (Season 16)
“Treehouse of Horror XXIV” (Season 25)
“Treehouse of Horror XXVI” (Season 27)

MONDAY, OCTOBER 30 (6pm – 12am) – Theme: “Movie Parodies”

“Treehouse of Horror V” (Season 6)
“Treehouse of Horror VI” (Season 7)
“Treehouse of Horror VIII” (Season 9)
“Treehouse of Horror X” (Season 11)
“Treehouse of Horror XI” (Season 12)
“Treehouse of Horror XVI” (Season 17)
“Treehouse of Horror XVIII” (Season 19)
“Treehouse of Horror XIX” (Season 20)
“Treehouse of Horror XXI” (Season 22)
“Treehouse of Horror XXII” (Season 23)
“Treehouse of Horror XXIII” (Season 24)
“Treehouse of Horror XXVI” (Season 27)

TUESDAY, OCTOBER 31 – (11am-12am) – HALLOWEEN NIGHT “Treehouse of Horrors” Marathon

“Treehouse of Horror” (Season 2)
“Treehouse of Horror II” (Season 3)
“Treehouse of Horror III” (Season 4)
“Treehouse of Horror IV” (Season 5)
“Treehouse of Horror V” (Season 6)
“Treehouse of Horror VI” (Season 7)
“Treehouse of Horror VII” (Season 8)
“Treehouse of Horror VIII” (Season 9)
“Treehouse of Horror IX” (Season 10)
“Treehouse of Horror X” (Season 11)
“Treehouse of Horror XI” (Season 12)
“Treehouse of Horror XII” (Season 13)
“Treehouse of Horror XIII” (Season 14)
“Treehouse of Horror XIV” (Season 15)
“Treehouse of Horror XV” (Season 16)
“Treehouse of Horror XVI” (Season 17)
“Treehouse of Horror XVII” (Season 18)
“Treehouse of Horror XVIII” (Season 19)
“Treehouse of Horror XIX” (Season 20)
“Treehouse of Horror XX” (Season 21)
“Treehouse of Horror XXI” (Season 22)
“Treehouse of Horror XXII” (Season 23)
“Treehouse of Horror XXIII” (Season 24)
“Treehouse of Horror XXIV” (Season 25)
“Treehouse of Horror XXV” (Season 26)
“Treehouse of Horror XXVI” (Season 27)