Eureka Crossovers
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The Successor by Zathara001 reviews
Part of Evil Author Day. Crossover - AU. After Nathan Stark's death, Allison Blake learns a surprising truth.
Crossover - Eureka & Avengers - Rated: K - English - Chapters: 1 - Words: 1,475 - Reviews: 5 - Favs: 20 - Follows: 20 - Published: 2/15/2024 - Jack C., Allison B., Iron Man/Tony S. - Complete
Siblings and Cousins by Zathara001 reviews
Jack Carter's vacation in Washington, D.C., takes an interesting turn when he runs into an old family friend. CONTINUITY NOTE: This takes place during the first season of Eureka and at a certain point in Captain America: The Winter Soldier - though it's very clearly AU from both of them. That's AU - Alternate Universe, so things happen differently than in canon.
Crossover - Eureka & Captain America - Rated: T - English - Chapters: 1 - Words: 6,946 - Reviews: 30 - Favs: 82 - Follows: 71 - Published: 4/20/2022 - Jack C., Nathan S., Steve R./Capt. America, Tony S./Iron Man - Complete
New Old Friend by SingleDarkShade
Rip finds himself in a town full of geniuses. To his surprise he's already got an ally, which will be helpful, as his shard is in a top-secret research facilities highest security section. 8th in the series Rip Hunter -Unstuck In Time And Space
Crossover - Eureka & Legends of Tomorrow - Rated: T - English - Friendship/Sci-Fi - Chapters: 7 - Words: 13,424 - Favs: 4 - Follows: 3 - Updated: 9/4/2021 - Published: 7/9/2020 - Jack C., Henry D., Captain Rip Hunter, Gideon - Complete
New Sheriff In Town by Dragonball X Avalon reviews
When Clark Kent met Jo Lupo, his life would never be the same! There's a new Sheriff in town!
Crossover - Smallville & Eureka - Rated: T - English - Romance/Adventure - Chapters: 5 - Words: 7,226 - Reviews: 39 - Favs: 46 - Follows: 63 - Updated: 7/28/2021 - Published: 9/3/2014 - [Jo L., Clark K./Superman]
One More Season's Greetings by IBJoyful
Isn't Christmas supposed to be a relaxing vacation? Not in Eureka, or at least not with someone going around summoning song demons. But I'm getting ahead of myself. It all started with the exploding chickens…
Crossover - Buffy: The Vampire Slayer & Eureka - Rated: K+ - English - Humor/Friendship - Chapters: 4 - Words: 10,417 - Favs: 1 - Follows: 1 - Updated: 12/24/2020 - Published: 12/13/2020 - Sweet, Jack C., Zoe C., D. Fargo
Prodigy Child V2 by RUGoing2writethat reviews
Harry gets a new family. Includes Eureka Division-M, for magical research. Harry is adopted by Sheriff Jack Carter. Story is adopted from and in memory of Goddess-Vampire.
Crossover - Harry Potter & Eureka - Rated: T - English - Family - Chapters: 39 - Words: 128,453 - Reviews: 259 - Favs: 537 - Follows: 636 - Updated: 7/13/2020 - Published: 5/18/2013 - Harry P., Jack C., Allison B., Zoe C.
The Doctor, The Director, and the B in the Red Dress by Ziva- Zia- Z reviews
Vertical/raised, as though someone slid a scalpel down the back of her neck, then sutured it, this mystery scar. Had she been born with it? Why'd she feel as though she carried over 6.5 billion deaths on her conscious? It wasn't until she started talking to someone named ALIE that Zane & the rest of Eureka, knew something was exceedingly wrong w/Jo. Eureka/100 crossover. Two shot.
Crossover - Eureka & 100 - Rated: M - English - Mystery - Chapters: 1 - Words: 12,703 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 7/12/2020
Color My Life by Ziva- Zia- Z reviews
What if someone colored Jo's life before Eureka, Oregon? Jo Lupo's an Army brat going from base to base w/family, & Fi Phillips's a girl living on her mom's tour bus, driving from gig to gig. They become friends, & keep in touch, before losing contact after Jo comes to Eureka. When Fi comes in search of her old childhood friend, she awakens something long buried w/in the the town.
Crossover - So Weird & Eureka - Rated: T - English - Romance/Friendship - Chapters: 5 - Words: 4,798 - Reviews: 3 - Favs: 3 - Follows: 2 - Updated: 7/5/2020 - Published: 7/9/2012 - Jo L.
for SCIENCE! by Tjin reviews
Xanders car is eaten by a weird blue portal and he gets transported somewhere else, can his day get any worse?
Crossover - Buffy: The Vampire Slayer & Eureka - Rated: K+ - English - Chapters: 4 - Words: 5,393 - Reviews: 37 - Favs: 154 - Follows: 174 - Updated: 10/10/2019 - Published: 11/5/2013
Go For Travel by LycoX reviews
After Holly Martin's visit to the town in 'Reprise', another surprise is dropped on those keeping the place safe.
Crossover - Stargate: SG-1 & Eureka - Rated: T - English - Humor/Sci-Fi - Chapters: 1 - Words: 640 - Reviews: 1 - Favs: 2 - Follows: 5 - Published: 7/25/2019 - P. Davis, Allison B., Henry D., D. Fargo - Complete
Different Kinds of Smarts by wereleopard reviews
McGee is jealous that he can't get to meet Nathan Stark. Tony goes to the conference and gets up close and personal with his teammate's idol. McGee will still get his chance when Nathan decides to visit NCIS. There are different kinds of smarts, and each one is attractive in its own right. Tony/Nathan Slash
Crossover - NCIS & Eureka - Rated: M - English - Romance - Chapters: 5 - Words: 12,126 - Reviews: 82 - Favs: 315 - Follows: 225 - Updated: 12/17/2018 - Published: 11/29/2017 - [Tony D., Nathan S.] - Complete
Fourth Dimension Series by Vashti reviews
Carter and co. aren't the only people who don't belong in this new universe, and it's really stressing Fargo out. (One-shot has become a series.)
Crossover - Buffy: The Vampire Slayer & Eureka - Rated: K - English - Humor - Chapters: 9 - Words: 10,184 - Reviews: 3 - Favs: 12 - Follows: 14 - Updated: 9/8/2018 - Published: 3/27/2012 - Buffy S., Oz, Jack C., D. Fargo - Complete
Company Town by Teleri Pendaren
The Blindspot team goes undercover in Eureka and the mission takes an interesting turn.
Crossover - Eureka & Blindspot - Rated: K+ - English - Angst - Chapters: 1 - Words: 6,467 - Favs: 1 - Published: 8/1/2018 - [Kurt, Patterson] Jack C., Jo L. - Complete
Chasing Rainbows by Magi Silverwolf reviews
Skylar Adams had learned early that Happily Ever After was something that happened to people who didn't have a multiple organizations keeping them under a magnifying glass. Luckily, Digit knows better. (StL fill)
Crossover - Eureka & Alphas - Rated: T - English - Chapters: 1 - Words: 2,069 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 6/28/2018 - Jo L., Skylar A.
Close Encounters of the Fourth Kind: Awakening by OnkelJo reviews
After the last crisis seems averted, the fates bring Jonny Gerthson back to Eureka for recuperation. However, things are heating up... Third installment of "Close Encounters of the Fourth Kind", allegedly the first Castle-Self Insert (SI) on this site. Castle Ficathon 2017 entry. Castle/Eureka/Chuck crossover. Cover art by @dtrekker.
Crossover - Eureka & Castle - Rated: T - English - Romance/Sci-Fi - Chapters: 6 - Words: 17,495 - Reviews: 6 - Favs: 14 - Follows: 14 - Updated: 9/28/2017 - Published: 9/8/2017 - Beverly B., Alexis C., OC - Complete
Troublemakers On A Tightrope by CLMScagliotti
Everybody knew that breaking the laws of science and chewing on people's nerves came with their last name. This family invented a whole new kind of trouble. Jo wasn't thrilled about it, but if you asked her, they should've seen this mess coming from miles away. [Established Jo/Zane (Handcuffs & Rocky Road); a different background story for the whole Donovan family.]
Crossover - Eureka & Warehouse 13 - Rated: K+ - English - Family/Sci-Fi - Chapters: 4 - Words: 7,849 - Favs: 6 - Follows: 6 - Updated: 6/24/2017 - Published: 12/20/2015 - Zane D., Claudia D., Joshua D., Claire D.
A Town Called Smallville – Henry's Story by Shado Librarian reviews
Part of the 'A Town Called Smallville' series: Who is Henry Deacon and what was his role in finding the Kryptonian baby adopted by the Kents?
Crossover - Lois and Clark & Eureka - Rated: T - English - Chapters: 1 - Words: 4,361 - Reviews: 2 - Favs: 3 - Follows: 1 - Published: 4/28/2017 - Complete
What Happens in Australia by Independent Dude
Eventual X-over with Dr. Who. Intended to be a prequel to my stories Fixed Point in Time and Movie Night Is Fun. Takes place after Season 8 of 24, and sometime after 4.03 All the Rage in Eureka. The premise: Jack Bauer, on the run from the CIA in Australia, saves a beautiful scientist from a mugging. And then things get weird. Not connected to my Torchwood:LA stories.
Crossover - 24 & Eureka - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 4,458 - Published: 4/24/2017 - Jack B., Tess F.
A Town Called Smallville - Panic in the Sky by Shado Librarian reviews
'All Shook Up' in 'A Town Called Smallville' style.
Crossover - Lois and Clark & Eureka - Rated: T - English - Chapters: 1 - Words: 8,279 - Reviews: 2 - Favs: 8 - Follows: 4 - Published: 4/18/2017 - Complete
A Town Called Smallville by Shado Librarian reviews
What if Smallville, KS was like Eureka, OR - one of the small 'special' towns dedicated to scientific research?
Crossover - Lois and Clark & Eureka - Rated: T - English - Chapters: 1 - Words: 4,908 - Reviews: 2 - Favs: 10 - Follows: 4 - Published: 4/14/2017 - Complete
We Are Still Here by BobWhite reviews
Eureka has become a 'Safe Haven' for those fleeing the the Zombie Apocalypse. In a world that makes no sense anymore, Eureka has stayed the same. The EM Shield was rejiggered to keep Walkers out. Can a cure be found? Full Summary inside. Pls R&R 2 find out more.
Crossover - Eureka & Walking Dead - Rated: T - English - Suspense/Sci-Fi - Chapters: 1 - Words: 1,847 - Reviews: 4 - Favs: 6 - Follows: 12 - Published: 3/24/2017
Police Woman look before you leap by Meagana
Jodie and Abby have moved on from NCIS, and are settling in Groom Lake (Area 51) and will experience small town life, and all it's up and downs its an AU for SG1, and a crossover with Eureka, NCIS, and Quantum Leap, and many other shows. No Aliens.
Crossover - Stargate: SG-1 & Eureka - Rated: T - English - Family - Chapters: 2 - Words: 4,464 - Favs: 1 - Updated: 7/29/2016 - Published: 7/26/2016
Police Woman: GD Head of Security by Meagana reviews
Unhappy in her current placement and given a chance to relocate by Global Dynamics as their head of Security, we get a look at what happens to Kate Todd, after she leaves, NCIS
Crossover - NCIS & Eureka - Rated: K - English - Chapters: 1 - Words: 3,363 - Reviews: 1 - Favs: 2 - Follows: 1 - Published: 7/7/2016
Naughty or Nice: A Eureka Christmas by Mlle. Phoenix Fox reviews
Returning to Eureka for Christmas, the Doctors and their companions find that the smartest little town in the world isn't immune to Christmas themed disasters. But when a mischievous AI elf toy starts reeking havoc on the town, they once again have to help Sheriff Jack Carter solve the mystery. Just another Christmas in Eureka.
Crossover - Doctor Who & Eureka - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 11,660 - Reviews: 4 - Favs: 16 - Follows: 20 - Updated: 12/30/2015 - Published: 12/25/2015 - 10th Doctor, 11th Doctor, Jack C., Allison B.
Two Roads, Diverged by writerdragonfly reviews
Separated as a toddler, an adult Zane Donovan searches for his twin sister, who is difficult to track down. Hermione Granger doesn't even know to look.
Crossover - Harry Potter & Eureka - Rated: T - English - Family - Chapters: 1 - Words: 2,161 - Reviews: 1 - Favs: 11 - Follows: 9 - Published: 11/12/2015 - [Zane D., Jo L.] Hermione G. - Complete
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