Trick or Treat

Challenges
* Trick or Treat, a multifandom character matching exchange started in 2014 with a low minimum wordcount.
* Trick or Treat Hanfic Halloween Challenge, a Hanson prompt challenge moderated by Renee P. from 2009 to 2012.
* Sons of Gondor Trick or Treat Fic/Art Exchange, a Tolkien exchange that started on the Livejournal comm, sons_of_gondor.
* D/Hr Trick-or-Treat a 2009 Draco Malfoy/Hermione Granger exchange that took place on Livejournal.
* Trick or Treat C/Z Halloween drabble challenge, a Casey/Zeke drabble challenge for The Faculty that occured in 2008.
* The 2006 Trick or Treat Autumn Mini Fiction Contest on MediaMiner.
* Les Mis Trick or Treat 2014, a Les Misérables exchange whose mod left the fandom after wank on sadfrenchppl, the Les Mis anon meme.
Fanfiction
* Trick or Treat by James Carlson, a 1987 Kirk/Spock and Spock/OMC story. 
* Trick or Treat, a 1988 Blake's 7 story published in The Bizarro Zine.
* Tricked or Treated by Kerensa, a 2009 Sentinel story published in My Mongoose.
* Trick or Treat by Angis, a 2006 Magnificent 7 story published in Magnificent Slash Holidays #3.
* Trick or Treat, part of The Firebird Suite, a Highlander series by Kellie Matthews.
* Trick or Treat by Lydia Gamble, a 1988 Star Trek: TNG story published in The Celestial Toybox #4.
* Trick or Treat by Jane Tesh, a 1988 Shadow Chasers story published in Shadow Chasers Express #4.
* Tricks and Treats by Felicia Olivier, an early-2000's Forever Knight hosted on the website Good Girl/Bad Boy.
* Trick or Treat by Jamie Ritchey, a 1999 Sentinel fic published in Sentry Duty #3.
* Trick or Treat by Drena Hills, a Alias Smith and Jones story published in Just You, Me & the Governor #11.
* The Trick Or Treat Affair by Erika Frensley, a 1988 Man From UNCLE story published in Of Dreams and Schemes #6.
* Trick or Treat by Robin Lancaster and Sara Arnold, a 1988 Blake's 7 story published in Shadow Imaginings #1.
* Tricks and Treats by Helen Adams, a Magnificent 7 story published in Magnificent Holidays #6.
* Trick or Treat by Virginia Tully, a 1984 Star Wars story published in Outlands Chronicles #3.
* Trick or Treat by Tenaya, a 1991 Blake's 7 story published in Liaisons.
* Trick or Treat by CD Phelps, a 1998 Sentinel story published in Come to Your Senses #6.
* Trick or Treat, a 1986 Simon and Simon story published in Frisky Business #3
* Trick or Treat Dream by Marcia Lefebve, a 1991 Beauty and the Beast story published in Daydreams and Fantasies #3].
* Trick and Treat by Linda Mooney, a 1998 The Ghost and Mrs. Muir published in The Schooner Bay Beacon #1.
* Trick Or Treat a 1998 Simon and Simon story published in Wizard's Cauldron.
* Trick or Treat by JenCat004, a 2009 J2 story published in Hand Basket to Hell.
* Trick or Treat by Abigail Strichartz, a 1975 Star Trek:TOS published in Monkey of the Inkpot v.1 no.3.
* Trick Or Treat by C.M. Henley, a 1989 Beauty and the Beast story published in A Ray of Hope.
* Trick Or Treat by Momo & TLR, a Starsky & Hutch story that won second place for "Horror Story" in the 2002 Torino Awards.
* Trick or Treat by Flamingo, a 2010 Starsky & Hutch story that was published online and in Here With You.
* Trick or Treat by J.R., a 1994 Blake's 7 story published in XXX FILES: The Frisky Project.
* Trick or Treat by Susan M. Garrett, a 1998 nominee for the Forever Knight Fan Fiction Awards's Historic Short Story category.
* Trick Or Treat by Pandora, a 1994 Wiseguy slash story published in Organized Frisky Bureau #1.
* Trick or Treat, a SKipper published in 1997.
* Trick or Treat by DataLaur, a 1Star Trek: The Next Generation story that one first for Data/LaForge at the 998 ASC Awards.
Other
* Trick Or Treat Press, a zine publisher that produced zines for Star Trek: Voyager and Stargate: SG1.
* Trick Or Treat by Arianna, a Sentinel slash vid featured on The Sentinel Slash Movies Project.
* The cover of Naked Times #16 and On the Double #6 by Ann Crouch showing Spock in a shirt that says "Trick or Treat".
* Trick and Treat by T'Lara, a 2013 Star Trek:TOS limerick published in The Kiscon 2013
* Trick or Treat, a Dark Shadows vid distributed on Tape 1 of the Dark Shadows Songvid Collection in the 1990s and 2000s.