When To Watch 'The Simpsons' Treehouse Of Horror Halloween Marathon On FXX

Fans of "The Simpsons" who are hoping for all the spooky thrills of the series "Treehouse of Horrors" episodes won't need to wait until Halloween for the fun, as FXX is kicking the holiday off early with episodes airing as early as one week before Oct. 31.

Beginning on Monday, Oct. 23, FXX will begin airing a special programming event of Treehouse of Horror episodes, which will end with a 13-hour marathon on Tuesday, Oct. 31, which will feature 26 episodes in season order from 11 a.m. EDT and concluding at 12 a.m. E In addition, the week leading up to Halloween will see six nights of themed mini-marathons as well, from Monday, Oct. 23 through Monday, Oct. 30.

See the full schedule below:

Monday, Oct. 23 (6 p.m. EDT-12 a.m. EDT):

Theme: "Kang and Kodos"

“Treehouse of Horror” (Season 2): "Bad Dream House," "Hungry are the Damned," "The Raven"
“Treehouse of Horror II” (Season 3): "Lisa's Nightmare," "Bart's Nightmare," "Homer's Nightmare"
“Treehouse of Horror VII” (Season 8): "The Thing and I," "The Genesis Tub," "Citizen Kang"
“Treehouse of Horror IX” (Season 10): "Hell Toupée," "The Terror of Tiny Toon," "Starship Poopers"
"Treehouse of Horror XV" (Season 16): "The Ned Zone," "Four Beheadings and a Funeral," "In the Belly of the Boss"
"Treehouse of Horror XVI" (Season 17): "B.I..: Bartificial Intelligence," "Survival of the Fattest," "I've Grown a Costume on Your Face"
"Treehouse of Horror XVII" (Season 18): "Married To The Blob," "You Gotta Know When To Golem," "The Day the Earth Looked Stupid"
"Treehouse of Horror XVIII" (Season 19): "E.T., Go Home," "Mr. & Mrs. Simpson," "Heck House"
"Treehouse of Horror XXII" (Season 23): "The Diving Bell and Butterball," "Dial D for Diddly," "In the Na'Vi"
"Treehouse of Horror XVIV" (Season 25): "Oh, The Places You'll D'oh," "Dead and Shoulders," "Freaks no Geeks"
"Treehouse of Horror XXV" (Season 26): "School Is Hell," "A Clockwork Yellow," "The Others"
"The Man Who Came To Be Dinner" (Season 26)

Tuesday, Oct. 24 (8 p.m. EDT-12 a.m. EDT):

Theme: "Classic Horror Monsters"

"Treehouse of Horror II" (Season 3)
"Treehouse of Horror IV" (Season 5): "The Devil and Homer Simpson," "Terror at 5 ½ Feet," "Bart Simpson's Dracula"
"Treehouse of Horror X" (Season 11): "I Know What You Diddily-Iddily-Did," "Desperately Xeeking Xena," "Life's a Glitch, Then You Die"
"Treehouse of Horror XIII" (Season 14): "Send in the Clones," "The Fright to Creep and Scare Harms," "The Island of Dr. Hibbert"
"Treehouse of Horror XIV" (Season 15): "Reaper Madness," "Frinkenstein," "Stop the World, I Want to Goof Off”"
"Treehouse of Horror XX" (Season 21): "Dial M for Murder or Press # to Return to Main Menu," "Don't Have a Cow, Mankind," "There's No Business Like Moe Business"
"Treehouse of Horror XXI" (Season 22): "War and Pieces," "Master and Cadaver," "Tweenlight"

Thursday, Oct. 26 (8 p.m. EDT-12 a.m.EDT):

Theme: "Set at Springfield Elementary School"

"Treehouse of Horror III" (Season 4): "Clown Without Pity," "King Homer," "Dial Z for Zombies"
"Treehouse of Horror IV" (Season 5)
"Treehouse of Horror V" (Season 6): "The Shinning," "Time and Punishment," "Nightmare Cafeteria"
"Treehouse of Horror VI" (Season 7): "Attack of the 50-Foot Eyesores," "Nightmare on Evergreen Terrace," "Homer³"
"Treehouse of Horror XII" (Season 13): "Hex and the City," "House of Whacks," "Wiz Kids"
"Treehouse of Horror XIX" (Season 20): "Untitled Robot Parody," "How to Get Ahead in Dead-vertising," "It's the Grand Pumpkin, Millhouse"
"Treehouse of Horror XX" (Season 21)
"Treehouse of Horror XXV" (Season 26)

Friday, Oct. 27 (6 p.m. EDT-12 a.m. EDT):

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): "The HΩmega Man," "Fly vs. Fly," "Easy-Bake Coven"
"Treehouse of Horror XI" (Season 12): "G-G-Ghost D-D-Dad," "Scary Tales Can Come True," "The Night of the Dolphin"
"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): "The Greatest Story Ever Holed," "UNormal Activity," "Bart & Homer's Excellent Adventure"
"Treehouse of Horror XXV" (Season 26)

Sunday, Oct. 29 (4 p.m. EDT-8 p.m. EDT):

Theme: "Elements of Body Horror"

"Treehouse of Horror VII" (Season 8)
"Treehouse of Horror VII" (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): "Wanted: Dead, Then Alive," "Homerzilla," "Telepaths of Glory"

Monday, Oct. 30 (6 p.m. EDT-12 a.m. EDT):

Theme: "Movie Parodies"