Fans of "The Simpsons" who are hoping for some spooky thrills with the annual "Treehouse of Horror" won't need to wait until Halloween for all the fun, as marathons devoted to the events are set to kick off as early as four weeks prior to Oct. 31 on networks such as Freeform and FXX.

Beginning on Saturday, Oct. 1, fans can catch episodes of the special programming on FXX, with Freeform joining in on the fun on Tuesday, Oct. 4, when episodes will start to air as part of the annual "31 Nights of Halloween" programming schedule. Plus, this year's brand-new episodes will also be available to watch as well when they debut on Fox.

See the full schedule below for air dates, times and channels (all times Eastern):

Saturday, Oct. 1:

FXX

  • 1:30 p.m.: "Treehouse of Horror IV" (Season 5): "Wraparounds," "The Devil and Homer Simpson," "Terror at 5 ½ Feet," "Bart Simpson's Dracula"
  • 2:30 p.m.: "Treehouse of Horror V" (Season 6): "The Shinning," "Time and Punishment," "Nightmare Cafeteria"

Tuesday, Oct. 4:

Freeform

  • 12:00 a.m.: "Treehouse of Horror I" (Season 2): "Bad Dream House," "Hungry are the Damned," "The Raven"
  • 12:30 a.m.: "Treehouse of Horror II" (Season 3): "Lisa's Nightmare," "Bart's Nightmare," "Homer's Nightmare"
  • 1:00 a.m.: "Treehouse of Horror III" (Season 4): "Clown Without Pity," "King Homer," "Dial 'Z' for Zombies"
  • 1:30 a.m.: "Treehouse of Horror IV"

FXX

  • 6:00 p.m.: "Treehouse of Horror III"

Wednesday, Oct. 5:

Freeform

  • 8:00 p.m.: "Treehouse of Horror I"
  • 8:30 p.m.: "Treehouse of Horror II"
  • 9:00 p.m.: "Treehouse of Horror III"
  • 9:30 p.m.: "Treehouse of Horror XII" (Season 13): "Hex and the City," "House of Whacks," "Wiz Kids"
  • 10:00 p.m.: "Treehouse of Horror IV"
  • 10:30 p.m.: "Treehouse of Horror IX" (Season 10): "Hell Toupee," "The Terror of Tiny Toon," "Starship Poopers"
Treehouse of Horror XXV
"The Simpsons" Season 26 "Treehouse of Horror XXV" aired on Fox on Sunday, Oct. 19. Fox

Thursday, Oct. 6:

Freeform

  • 12:00 a.m.: "Treehouse of Horror V"
  • 12:30 a.m.: "Treehouse of Horror VI" (Season 7): "Attack of the 50-Foot Eyesores," "Nightmare on Evergreen Terrace," "Homer"
  • 1:00 a.m.: "Treehouse of Horror VII" (Season 8): "The Thing and I," "The Genesis Tub," "Citizen Kang"
  • 1:30 a.m.: "Treehouse of Horror VIII" (Season 9): "The HΩmega Man," "Fly vs. Fly," "Easy-Bake Coven"

Friday, Oct. 7:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror" IX"
  • 12:30 a.m.: "Treehouse of Horror X" (Season 11): "I Know What You Diddily-Iddily-Did," "Desperately Seeking Xena," "Life's a Glitch, Then You Die"
  • 1:00 a.m.: "Treehouse of Horror XI" (Season 12): "G-G-Ghost D'D-Dad," "Scary Tales Can Come True," "Night of the Dolphin"
  • 1:30 a.m.: "Treehouse of Horror XII"

Sunday, Oct. 9:

Freeform:

  • 1:00 p.m.: "Treehouse of Horror IV"

Tuesday, Oct. 11:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror XIII" (Season 14): "Send in the Clones," "The Fright to Creep and Scare Arms," "The Island of Dr. Hibbert"
  • 12:30 a.m.: "Treehouse of Horror XIV" (Season 15): "Reaper Madness," "Frinkenstein," "Stop the World, I Want to Goof Off"
  • 1:00 a.m.: "Treehouse of Horror XV" (Season 16): "The Ned Zone," "Four Beheadings and a Funeral," "In the Belly of the Boss"

FXX:

  • 7:30 p.m.: "Treehouse of Horror V"

Wednesday, Oct. 12:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror XVI" (Season 17): "B.I.: Bartifical Intelligence," "Survival of the Fattest," "I've Grown a Costume on Your Face."
  • 12:30 a.m.: "Treehouse of Horror XVII" (Season 18): "Married to the Blob," "You Gotta Know When to Golem." "The Day the Earth Looked Stupid"
  • 1:00 a.m.: "Treehouse of Horror XVIII" (Season 19): "E.T. Go Home," "Mr. & Mrs. Simpson," "Heck House"
  • 1:30 a.m.: "Treehouse of Horror XIX" (Season 20): "Untitled Robot Parody," "How to Get Ahead In Dead-Advertising," "It's the Grand Pumpkin, Millhouse"
  • 8:00 p.m.: "Treehouse of Horror II"
  • 8:30 p.m.: "Treehouse of Horror IX"
  • 9:00 p.m.: "Treehouse of Horror XIV"
  • 9:30 p.m.: "Treehouse of Horror XXIII" (Season 24): "The Greatest Story Ever Holed," "UNormal Activity," "Bart & Homer's Excellent Adventure"
  • 10:00 p.m.: "Treehouse of Horror XII"
  • 10:30 p.m.: "Treehouse of Horror XXV" (Season 26): "School is Hell," "A Clockwork Yellow," "The Others"
The Simpsons Treehouse of Horror XXX
The Simpsons "Treehouse of Horror XXX" episode is pictured. FOX

Thursday, Oct. 13:

  • 12:00 a.m.: "Treehouse of Horror XX" (Season 21): "Dial 'M' For Murder or Press '#' to Return to the Main Menu," "Don't Have a Cow, Mankind," "There's No Business Like Moe Business"
  • 1:00 a.m.: "Treehouse of Horror XXI" (Season 22): "War and Pieces," "Master and Cadaver," "Tweenlight"
  • 1:30 a.m.: "Treehouse of Horror XXII" (Season 23): "The Diving Bell and Butterball," "Dial D For Diddly," "In The Na'Vi"

Tuesday, Oct. 18:

Freeform

  • 12:00 a.m.: "Treehouse of Horror XXIII"
  • 12:30 a.m.: "Treehouse of Horror XXIV" (Season 25): "On The Places You'll D'Oh," "Dead and Shoulders," "Freaks No Geeks"
  • 1:00 a.m.: "Treehouse of Horror XXV"

Wednesday, Oct. 19:

Freeform

  • 12:00 a.m.: "Treehouse of Horror XXVI" (Season 27): "Wanted: Dead, Then Alive," "Homerzilla," "Telepaths of Glory"
  • 12:30 a.m.: "Treehouse of Horror XXVII" (Season 28): "Dry Hard," "BFF R.I.P," "Moefinger"
  • 1:00 a.m.: "Treehouse of Horror XXVIII" (Season 29): "The Exor-Sis," "Coralisa," "Mmm...Homer"
  • 1:30 a.m.: "Treehouse of Horror XXIX" (Season 30): "Intrusion of the Pod-Y Swithers," "Multiplisa-ty," "Geriatric Park"
  • 8:00 p.m.: "Treehouse of Horror VIII"
  • 8:30 p.m.: "Treehouse of Horror X"
  • 9:00 p.m.: "Treehouse of Horror XV"
  • 9:30 p.m.: "Treehouse of Horror XVII"
  • 10:00 p.m.: "Treehouse of Horror XVII"
  • 10:30 p.m.: "Treehouse of Horror XXIV"
The Simpsons: Treehouse of Horror XXVI
Sideshow Bob (left) will kill Bart (right) in "The Simpsons" "Treehouse of Horror XXVI" Halloween special Sunday. Fox

Thursday, Oct. 20:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror XXX" (Season 31): "Danger Things," "Heaven Swipes Right," "When Hairy Met Slimy"
  • 1:00 a.m.: "Treehouse of Horror XXXI" (Season 32): "Toy Gory," "Into the Homerverse," "Be Nine, Rewind"
  • 1:30 a.m.: "Treehouse of Horror XXXII" (Season 33): "Barti," "Bong Joon Ho's 'This Side of Parasite,'" "Nightmare on Elm Tree," "Poetic Interlude," "Dead Ringer"

Saturday, Oct. 22:

FXX:

  • 1:00 p.m.: "Treehouse of Horror X"
  • 1:30 p.m.: "Treehouse of Horror XII"
  • 2:00 p.m.: "Treehouse of Horror XV"
  • 2:30 p.m.: "Treehouse of Horror XVI"
  • 3:00 p.m.: "Treehouse of Horror XVII"
  • 3:30 p.m.: "Treehouse of Horror XVIII"
  • 4:00 p.m.: "Treehouse of Horror XIX"
  • 4:30 p.m.: "Treehouse of Horror XXI"
  • 5:00 p.m.: "Treehouse of Horror XXII"
  • 5:30 p.m.: "Treehouse of Horror XXXII"

Sunday, Oct. 23:

Fox:

8:00 p.m.: "Not It" (NEW)- When a supernatural clown starts slaying the children of Kingfield, young Homer Simpson teams up with other middle school misfits to face their fears and defeat the mysterious monster.

The Simpsons Not it Treehouse of Horror
When an evil, shape shifting, unfunny clown starts eating the children of Kingfield, Young Homer and his friends must band together to destroy it, or die trying in the all-new "Not It" episode of The Simpsons. 20th Television

FXX:

  • 2:00 p.m.: "Treehouse of Horror V"
  • 2:30 p.m.: "Treehouse of Horror VI"
  • 3:00 p.m.: "Treehouse of Horror XXIII"
  • 3:30 p.m.: "Treehouse of Horror XXV"
  • 4:00 p.m.: "Treehouse of Horror XXVIII"
  • 4:30 p.m.: "Treehouse of Horror XXIX"
  • 5:00 p.m.: "Treehouse of Horror XXX"
  • 5:30 p.m.: "Treehouse of Horror XXXI"

Monday, October 24:

FXX:

  • 4:00 p.m.: "Treehouse of Horror I"
  • 4:30 p.m.: "Treehouse of Horror II"
  • 5:00 p.m.: "Treehouse of Horror III"
  • 5:30 p.m.: "Treehouse of Horror IV"
  • 6:00 p.m.: "Treehouse of Horror V"
  • 6:30 p.m.: "Treehouse of Horror VI"
  • 7:00 p.m.: "Treehouse of Horror VII"
  • 7:30 p.m.: "Treehouse of Horror VIII"

Tuesday, October 25:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror X"
  • 12:30 a.m.: "Treehouse of Horror XII"
  • 1:00 a.m.: "Treehouse of Horror IX"
  • 1:30 a.m.: "Treehouse of Horror XIV"

FXX:

  • 5:00 p.m.: "Treehouse of Horror IX"
  • 5:30 p.m.: "Treehouse of Horror X"
  • 6:00 p.m.: "Treehouse of Horror XI"
  • 6:30 p.m.: "Treehouse of Horror XII"
  • 7:00 p.m.: "Treehouse of Horror XIII"
  • 7:30 p.m.: "Treehouse of Horror XIV"

Wednesday, October 26:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror II"
  • 12:30 a.m.: "Treehouse of Horror VII"
  • 1:00 a.m.: "Treehouse of Horror V"
  • 1:30 a.m.: "Treehouse of Horror VI"
  • 8:00 p.m.: "Treehouse of Horror VII"
  • 8:30 p.m.: "Treehouse of Horror I"
  • 9:30 p.m.: "Treehouse of Horror II"
  • 10:00 p.m.: "Treehouse of Horror IX"

FXX:

  • 5:00 p.m.: "Treehouse of Horror XV"
  • 5:30 p.m.: "Treehouse of Horror XVI"
  • 6:00 p.m.: "Treehouse of Horror XVII"
  • 6:30 p.m.: "Treehouse of Horror XVIII"
  • 7:00 p.m.: "Treehouse of Horror XIX"
  • 7:30 p.m.: "Treehouse of Horror XX"

Thursday, October 27:

Freeform:

  • 12:00 a.m.: "Treehouse of Horror III"
  • 12:30 a.m.: "Treehouse of Horror VIII"
  • 1:00 a.m.: "Treehouse of Horror IV"
  • 1:30 a.m.: "Treehouse of Horror I"

FXX:

  • 5:00 p.m.: "Treehouse of Horror XXI
  • 5:30 p.m.: "Treehouse of Horror XXII"
  • 6:00 p.m.: "Treehouse of Horror XXIII"
  • 6:30 p.m.: "Treehouse of Horror XXIV"
  • 7:00 p.m.: "Treehouse of Horror XXV"
  • 7:30 p.m.: "Treehouse of Horror XXVI"

Friday, October 28:

FXX:

  • 5:00 p.m.: "Treehouse of Horror XXVII"
  • 5:30 p.m.: "Treehouse of Horror XXVIII"
  • 6:00 p.m.: "Treehouse of Horror XXIX"
  • 6:30 p.m.: "Treehouse of Horror XXX"
  • 7:00 p.m.: "Treehouse of Horror XXXI"
  • 7:30 p.m.: "Treehouse of Horror XXXII"

Saturday, October 29:

FXX:

  • 1:00 p.m.: "Treehouse of Horror I"
  • 1:30 p.m.: "Treehouse of Horror III"
  • 2:00 p.m.: "Treehouse of Horror VIII"
  • 2:30 p.m.: "Treehouse of Horror IX"
  • 3:00 p.m.: "Treehouse of Horror XI"
  • 3:30 p.m.: "Treehouse of Horror XIII"
  • 4:00 p.m.: "Treehouse of Horror XX"
  • 4:30 p.m.: "Treehouse of Horror XXII"
  • 5:00 p.m.: "Treehouse of Horror XXVI"
  • 5:30 p.m.: "Treehouse of Horror XXIX"

Sunday, October 30:

Fox:

  • 8:00 p.m.: "Treehouse of Horror XXXIII" (NEW)- Marge's resentment takes monstrous form; Lisa tries to save the planet through murder; Homer learns he's not the man he thought he was

FXX:

  • 2:00 p.m.: "Treehouse of Horror I"
  • 2:30 p.m.: "Treehouse of Horror II"
  • 3:00 p.m.: "Treehouse of Horror III"
  • 3:30 p.m.: "Treehouse of Horror IV"
  • 4:00 p.m.: "Treehouse of Horror VI"
  • 4:30 p.m.: "Treehouse of Horror VII"
  • 5:00 p.m.: "Treehouse of Horror XIV"
  • 5:30 p.m.: "Treehouse of Horror XVI"
  • 9:00 p.m.: "Treehouse of Horror XXIV"
  • 9:30 p.m.: "Treehouse of Horror XXVII"

Monday, October 31:

FXX:

  • 8 a.m.: "Treehouse of Horror XXXII"
  • 8:30 a.m.: "Treehouse of Horror XXXI"
  • 9:00 a.m.: "Treehouse of Horror XXX"
  • 9:30 a.m.: "Treehouse of Horror XXIX"
  • 10:00 a.m.: "Treehouse of Horror XXVII"
  • 10:30 a.m.: "Treehouse of Horror XXVII"
  • 11:00 a.m.: "Treehouse of Horror XXVI"
  • 11:30 a.m.: "Treehouse of Horror XXV"
  • 12:00 p.m.: "Treehouse of Horror XXIV"
  • 12:30 p.m.: "Treehouse of Horror XXIII"
  • 1:00 p.m.: "Treehouse of Horror XXII"
  • 1:30 p.m.: "Treehouse of Horror XXI"
  • 2:00 p.m.: "Treehouse of Horror XX"
  • 2:30 p.m.: "Treehouse of Horror XIX"
  • 3:00 p.m.: "Treehouse of Horror XVIII"
  • 3:30 p.m.: "Treehouse of Horror XVII"
  • 4:00 p.m.: "Treehouse of Horror XVI"
  • 4:30 p.m.: "Treehouse of Horror XV"
  • 5:00 p.m.: "Treehouse of Horror XIV"
  • 5:30 p.m.: "Treehouse of Horror XIII"
  • 6:00 p.m.: "Treehouse of Horror XII"
  • 6:30 p.m.: "Treehouse of Horror XI"
  • 7:00 p.m.: "Treehouse of Horror X"
  • 7:30 p.m.: "Treehouse of Horror IX"
  • 8:00 p.m.: "Treehouse of Horror VIII"
  • 8:30 p.m.: "Treehouse of Horror VII"
  • 9:00 p.m.: "Treehouse of Horror VI"
  • 9:30 p.m.: "Treehouse of Horror V"
  • 10:00 p.m.: "Treehouse of Horror IV"
  • 10:30 p.m.: "Treehouse of Horror III"
  • 11:00 p.m.: "Treehouse of Horror II"
  • 11:30 p.m.: "Treehouse of Horror I"