I’ve gone back into my archives and these are my fav all-things-Halloween fics from the past! (This is list is both too long but also probably missing great fics)
The Haunting of 221B Baker Street by earlgreytea68
In which Sherlock Holmes is a ghost. ~10.5k
The Ichor of Talos by Nikoshinigami
Going to be published as a book, link unavailable now - I’m still going to rec it though! After being falsely convicted of the murder of Sherlock Holmes, Dr. John Watson is sentenced to confinement and the constant companionship of a hologram of his victim. ~60k
the shape of the shadows that detach from the walls by wendlaa
Sherlock hasn't met John yet and dies, becoming a ghost. One day in the After he meets John & realises he can see him. ~13.5k
Slender: However Improbable by philalethea
Six months after The Fall, John is falling apart. A tall, thin man in a black suit begins follow him. Creepy. ~33.5k
The Halloween Party by XistentialAngst
Sherlock and John attend a Halloween party on the trail of a vampire killer -- Sexy costumes, bad puns, danger, sex in hidden places. ~19k
The Curious Wine by songlin
John is a werewolf, Sherlock is a vampire, Sherlock in 'charge' of making sure John behaves when he turns. ~15k
Johnloctober (Chapter 1: As You Wish) by prettysailorsoldier
Sherlock and John at a Halloween party, previously met at a coffee shop, they end up playing seven minutes in heaven ~6.5k
Based on Rebecca. John 'mourns wife meets and marries Sherlock & brings him back to mansion. ~136k
Johnloctober (Chapter 22: Go Get 'Em, Tiger) by prettysailorsoldier
Sherlock goes on a date with Victor to a Halloween party. John gets jealous, gets a costume, crashes the date, and confesses his feelings. ~9k
John is a ghost inhabiting Sherlock's fleshlight. ~1k
1969, Jacob meets Shiloh, a ghost, However, the two of them have always been in each other's lives, in every life. ~5k
Sherlock is bitten by a werewolf, Mycroft wants to lock him away, and he has to deal with feelings for John. ~54k
the napoleon by darcylindbergh
Halloween, 1989: John and Sherlock both have big plans for the night, but some serial killers have the worst possible timing. ~25k
Let's Say I Let You by Inkedgeree
Halloween. Sherlock's vampire costume is turning John on, but Sherlock doesn't quite get the idea of a sexy vampire. At least…not at first. ~10k
In arms that terrify and calm me by Salambo06
Around Halloween John goes to Baker Street and finds out that Sherlock is engaged with a beautiful man, gets jealous. ~22.5k
The Master of Latham Hall by Kryptaria
John and Sherlock solve murders actually commited by a vengeful ghost suffering from unrequited love. ~47.5k
Upon Whom Shall You Call? by May_Shepard
~A TAB-verse AU. After Holmes dies, Watson tries to move on. His maid, Jane, reports noises in the attic. Female ghostbusters. ~33.5k
House of Grief by Calais_Reno
Holmes takes the case of a woman who claims her house is haunted. He asks Watson to accompany him. ACD, Victorianlock. Creepy! ~18.5k
The Detective and the Demon by oreganotea
Pre-Slash Urban Fantasy demon!John Magic Realism. ~2.5k
An Acquired Taste by kinklock
Sherlock is a vampire and he starts to feed off John and also turns into a bat. The fluffy virgin kind of vampire. ~26k
Allhallows' Affair by MindYourOwnBismuth
An All Hallows’ Eve Party. Unilock. Halloween. ~21.5k
Sure Shot, Or, In Which Lestrade Wearing A Shepardless Outfit Is of No Consequence by redscudery
Sherlock storms into the Yard Halloween party to find John, but there are consequences- body shots and awkward kissing. ~1k
Sherlock needs to infiltrate a Halloween party. John fits the bill, and the costume. teenlock. ~2.5k
Johnloctober (Chapter 29: Kindred Spirits) by prettysailorsoldier
Sherlock comes face-to-transparent-face with the ghost of a WWI soldier, a uniformed man calling himself Captain Watson. ~8k
Master of Disguise by earlgreytea68
Lestrade hosts a Halloween party. John makes Sherlock dress up as a pirate, and John dresses up as Sherlock. ~4k
The Red Dianthus by kinklock
The boys investigate a mysterious disappearance in a supposedly haunted house, and get more than they bargained for. ~11.5k
Johnloctober (Chapter 23: Subtexting) by prettysailorsoldier
John trying to return a lost notebook, but the owner turns out to be one Sherlock Holmes. Texting fic. ~4k
Sherlock turns John into a bat, and batjohn gives him a blowjob. ~3.5k
The Light in the Heart by cassyl
John is murdered. Sherlock the ghost helps him realise he's dead and solves his murder. ~6.5k
Ghost in the Water by bittergreens
After Sherlock’s death, John Watson refuses to move on. Sherlock has to intervene, even if it means coming back as a ghost. ~21.5k
Johnloctober (Chapter 3: It's a Date) by prettysailorsoldier
Kidlock, scary movies. John stays the night to protect Sherlock. A teenlock follow up where John takes Sherlock to a scary movie on a date). ~3.5k
The Boy Who Drank Stars by kinklock
John is cursed and meets wizard Sherlock who might be able to fix him. ~36k
Ghost Stories by SwissMiss
Sherlock's parents think he and John are a couple. They might be onto something. ~22k
The Trouble With Upstairs by anactoria
John and Sherlock haunt 221B. ~500 words
How to Leave a Haunted House by May_Shepard
Sherlock is a zombie in a haunted house and John punches him, but goes back to make sure he's still okay. ~1k
On Sleeping with Sherlock Holmes by gaytectives
sharing a bed, haunted house. ~7k
Awkward Moments, Sexy Vampires, and a Halloween First Kiss by 221b_careful_what_you_wish_for
John and Sherlock are helping Molly decorate for a Halloween party. ~3.5k
Sanguineous Serendipity by CarmillaCarmine
AU. Vampire Sherlock meets a dying John in a field hospital in Afghanistan and gives him a whole new life. ~35k
Human Behaviour by toyhto
Vampire Sherlock wakes up after a nap and finds out that sixty-five years have passed. Also, there's a human living in his apartment. ~21.5k
Danger Nights by khorazir
An investigation of a series of strange occurrences leads John and Sherlock to the Welsh Marshes, to face ghosts weird and ancient as well as close and personal. ~23.5k
