Hi! I've made a themed rec list of crossover case fics - crossovers between crime or medical procedurals and speculative fandoms, where the format and focus is on solving a case - over at my journal.


This is one of my favorite genres of crossover fic, and I'm excited to share my favorites with you all. Most of these will be on AO3, but a few are on other archives like A Teaspoon and an Open Mind, or Twisting the Hellmouth.

This list will be updated if/as I discover or remember more fic that fits the theme.

Please come take a look if you're interested!

Fandoms currently include CSI, Criminal Minds, NCIS, House, Numb3rs, Law and Order, Buffy, Supernatural, Highlander, Dark Angel, X-Men, Batman, Doctor Who, Torchwood, The Sandman, The Sentinel, Lucifer, Teen Wolf, and Murder She Wrote.
I'm SO excited to work a brief 2-part Lucifer cameo into my SPN/TWD crossover!

I feel like their addition is a stand-alone storyline, so if you're a Lucifer fan but don't want to read the whole longfic, check out Ch. 27.

Mods - is there any way I could get Being Human (US) & Lucifer tags? Thanks so much!


Title: What We Become: A Supernatural/Walking Dead Crossover

Author: Ahavah

Genre: Apocalyptic, Horror, Action/Adventure, Supernatural

Rating: Mature

Warnings: Graphic depictions of violence and gore, major and minor character deaths, adult language, longfic, WIP

Spoilers: Spoilers for both series, as well as mild spoilers for later seasons of Being Human (US) & Lucifer (tv), whose characters have cameo storylines. I hope you won't know spoilers from what I've made up or swapped around.

Summary: Fic: Set after TWD season 3 (after Woodbury but before Season 4 picks up) and an alternate SPN season 6 where the main apocalypse was still thwarted but Pestilence succeeded in releasing the Croatoan virus "swine flu vaccine".


Chapter: 27: Morning Star After the group parts ways, the Winchesters investigate an angelic anomaly. Featuring a cameo from the characters of the Lucifer tv show.
I'm posting regularly again after a health-induced hiatus! Since I'm managing consistent updates, I won't be advertizing/spamming it constantly, but looks like I'm doing well with updating every Sunday again. Hope you enjoy!


Title: What We Become: A Supernatural/Walking Dead Crossover


Author: Ahavah


Genre: Apocalyptic


Rating: Mature


Warnings: None for this chapter


Spoilers: Spoilers for both series, as well as mild spoilers for later seasons of Being Human (US), whose characters have a cameo storyline.


Summary: Chapter: Ch. 20: There Will Be Blood Maggie searches for Glenn, while Dean & Co. prepare to take on Grady Memorial Hospital.
Title: What We Become: A Supernatural/Walking Dead Crossover

Author: Ahavah

Genre: Apocalyptic

Rating: Mature

Warnings: Graphic depictions of violence, major and minor character deaths

Spoilers: Spoilers for both series, as well as mild spoilers for later seasons of Being Human (US), whose characters have a cameo storyline.

Author's note: I'm posting regularly again after facing some health issues, and I apologize for seeming to drop this fic! It was not intentional.

Summary: Fic: Set after TWD season 3 (after Woodbury but before Season 4 picks up) and an alternate SPN season 6 where the main apocalypse was still thwarted but Pestilence succeeded in releasing the Croatoan virus "swine flu vaccine".

I'm incorporating characters and storylines from both The Walking Dead (tv show and comics) and Supernatural. This is primarily a canon divergence, but I do borrow certain aspects from both sources. I have done my best to use those aspects in the spirit of "What If" and "Homage", and I have tried very hard to make it my own and avoid plagiarism.

Chapter: 19: Self Help Dean looks for a way to help Sam after his wall breaks, not realizing that Sam alone holds that key. Glenn wakes to find himself in strange company.
x-posted

Title: What We Become: A Supernatural/Walking Dead Crossover

Chapter 17: Adventures in Babysitting

Author: Ahavah

Fandoms: Supernatural/The Walking Dead (TV and comics). Cameos from Being Human (US) main characters.

Rating: Mature

Warnings: Spoilers for TWD through Season 4 and SPN through Season 6.

The BH(US) characters are following an alternate Season 3+.

Graphic language and violence. Individual warnings are given on each chapter.

Pairings: N/A for this chapter

Summary: Fic: Beginning after TWD season 3 (after Woodbury but before Season 4 picks up) and an alternate SPN season 6 where the main apocalypse was still thwarted but Pestilence succeeded in releasing the Croatoan virus "swine flu vaccine".

This Ch: Carol tracks the vampires who took Lizzie.
x-posted

Title: What We Become: A Supernatural/Walking Dead Crossover

Chapter 16: What Happened and What's Going On

Author: Ahavah

Fandoms: Supernatural/The Walking Dead (TV and comics). Cameos from Being Human (US) main characters.

Rating: Mature

Warnings: Spoilers for TWD through Season 4 and SPN through Season 6.

The BH(US) characters are following an alternate Season 3+.

Graphic language and violence. Individual warnings are given on each chapter.

Pairings: N/A for this chapter

Summary: Fic: Beginning after TWD season 3 (after Woodbury but before Season 4 picks up) and an alternate SPN season 6 where the main apocalypse was still thwarted but Pestilence succeeded in releasing the Croatoan virus "swine flu vaccine".

This Ch: Survivors of the Governor's (with vampire allies) attack attempt to regroup.

A British archaeological show is in Missouri to film the excavation of a massacre. It went weird before they even showed up. Two people seem to know what's going on, but ghosts and possessions have no place in a science show.

Will the Time Team make it out of Missouri alive? Tune in to find out.


Chapter Summary: The final part of the story on the dig in the Missouri wilderness. And it was going so well...


Fandoms: Time Team (UK), Supernatural


Read it on AO3 | on ff.net


I hope you all enjoyed my short, geeky crossover.

It shouldn't need to be said, but please don't post copies of it on goodreads, or anywhere else. If you think someone would enjoy it, link to it on Archive of Our Own or Fanfiction.net. Copying for personal use is, of course, okay.

A British archaeological show is in Missouri to film the excavation of a massacre. It went weird before they even showed up. Two people seem to know what's going on, but ghosts and possessions have no place in a science show.

Will the Time Team make it out of Missouri alive? Tune in to find out.


Fandoms: TIme Team (UK)/Supernatural
 

 

Chapter Summary: After lunch, the site is hot, and the work is slow. Tony’s impatient for something – anything – to happen, but he didn’t mean something like the Site Director having a nervous breakdown in the middle of their shoot.

And he certainly didn’t mean whatever was happening with their intern…
 

 

Read it on AO3 | on ff.net

Story summary: A British archaeological show is in Missouri to film the excavation of a massacre. It went weird before they even showed up. Two people seem to know what's going on, but ghosts and possessions have no place in a science show.Will the Time Team make it out of Missouri alive? Tune in to find out.

Fandoms: Time Team (UK), Supernatural

Chapter Summary: A middle of the night fire nearly derails what’s turning into a finds-rich dig. There’s Phil’s flint – keeping him happy. Carenza has a copper pot – dateable if she can find all of it. And Ian has found a wagon wheel.

And then the site director mumbles something about needing to prepare for when they find the last set of bones.

It’s enough to make someone believe it when the mysterious “expert” talks about ghosts and possessions.


Read it  
on AO3   |   on ff.net


Chapter Summary: Tony and the Time Team settle in for a hard dig in a remote Missouri ranch. Geophys results are odd. There are enough bones to make it a massacre. And the heat is a killer.

The only one who seems happy about it is Phil.

Author: etrix

Fandoms: Time Team (UK), Supernatural

Rating: M/gen


Read it   on AO3   |   on ff.net
.

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