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Team Flash by Not-Famous-Yet reviews
Team Flash gains some interesting new metahumans. Overflowing with OCs. Hints of Barry/OC.
Crossover - Flash & Arrow - Rated: K+ - English - Friendship/Romance - Chapters: 2 - Words: 2,442 - Reviews: 1 - Follows: 1 - Updated: 5h ago - Published: 3/16 - [Barry A., OC] Caitlin S., Felicity S.
Flashpoint by Wombatman9000 reviews
Barry Allen wakes up to discover a world he does not know. His mother is a live. Citizen Cold is the premier superhero of Central City. And worst of all, he lost his speed. As a war between the Rogues and ARGUS looms on the horizon, he will need to call upon close allies to restore his powers and his timeline.
Crossover - Flash & Arrow - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 3,193 - Reviews: 2 - Favs: 4 - Follows: 6 - Updated: 11h ago - Published: 3/22 - Barry A., Harrison W., Robert Q., Ray P.
Family is Who You'll Kill For by ChaosLilKat reviews
ARROW/SPN CROSSOVER Yes it's another in the series :) - Sam gets a late night call from a desperate Felicity informing him of Oliver's trip to face Ra's al Ghul. She's not willing to stand by and let Oliver go by himself and Dig is standing firm on following Oliver's orders, Roy's not skilled enough so that leaves Oliver's last to allies, The Boys.
Crossover - Supernatural & Arrow - Rated: T - English - Supernatural - Chapters: 8 - Words: 18,281 - Reviews: 7 - Favs: 2 - Follows: 8 - Updated: 13h ago - Published: 3/26
Something Is Flashing by FanFicExpress00 reviews
Rated T for now. The Arrow and Flash has been meeting up quite sometime now. No one bats an eye except for the fans and reporters. Barry has been feeling strange with all their meetings. Oliver, who seems more fond to the boy, earns something he couldn't believe. Was it really, the thing they have wanted since, love? Something is flashing between them.
Crossover - Flash & Arrow - Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 5,356 - Reviews: 1 - Favs: 3 - Published: 23h ago - [Barry A., Oliver Q.]
Starling City Serenade by mrskillianjonesig
When bailbondsperson Emma was working on a case Oliver Queen aka Arrow already had an eye on they built an alliance. They're a team ever since but now Emma's sister Felicity wants to find out about the secret nighttime activities. Unfortunately the next mission doesn't work as planned. AU, Captain Swan, Olicity
Crossover - Once Upon a Time & Arrow - Rated: T - English - Fantasy/Drama - Chapters: 6 - Words: 4,589 - Favs: 4 - Follows: 8 - Updated: 3/28 - Published: 1/23 - Emma S., Killian Jones/Captain Hook, Oliver Q., Felicity S.
Smoakless World by olicityhooked
After a mysterious accident at STAR labs Barry Allen finds himself in a very different Starling city. In this world Felicity Smoak and Oliver Queen never met, which lead to a much darker future for the emerald archer as well as for his favorite IT girl. Join Barry as he sets on a journey to uncover secrets behind his accident and safe his life as well as lives of his friends.
Crossover - Flash & Arrow - Rated: T - English - Drama/Adventure - Chapters: 1 - Words: 16,406 - Favs: 3 - Follows: 5 - Published: 3/28 - Barry A., Oliver Q., Felicity S., Laurel L.
First Impressions by Microraptor Glider
Oliver wonders why a wolf came to help with the investigation and why the wolf is so clueless. Set during this universe's version of 'The Scientist'. mythology!au.
Crossover - Flash & Arrow - Rated: K+ - English - Supernatural - Chapters: 1 - Words: 2,428 - Published: 3/26 - Barry A., Oliver Q., John D., Felicity S. - Complete
Possibilities by LycoX reviews
A series of one shots and ideas centered in the Arrow/Flash world.
Crossover - Arrow & Flash - Rated: T - English - Humor/Adventure - Chapters: 11 - Words: 15,212 - Reviews: 15 - Favs: 4 - Follows: 8 - Updated: 3/26 - Published: 3/5 - Barry A., Oliver Q., Tommy M., John D.
Phoenix Rising by Elithemiar reviews
Phantom has been caught by his parents, then the GIW. After escaping he runs north, eventually ending up in Starling City. Reluctance to use his powers after everything, he becomes a kid in the glades. He helps Arrow and Arsenal take down a group of criminals. Vlad comes after him. Secrets are exposed. Just maybe, Danny finds another home and rises from the ashes of his past.
Crossover - Danny Phantom & Arrow - Rated: T - English - Tragedy - Chapters: 10 - Words: 23,675 - Reviews: 27 - Favs: 27 - Follows: 49 - Updated: 3/26 - Published: 2/17
Arrow of Olympus by CSIRide-Kirk reviews
Oliver Queen was born Percy Jackson to Sally Jackson and Poseidon. But Sally fled in fear of Poseidon when Percy was born and married Robert Queen under the name Moria Dearden. Oliver grew up to become the Arrow, but Olympus needs him. Will he answer to his true heritage? Olicity (Felicity and Oliver are such a cute couple) me now own nothing except inspiration from Robert32514.
Crossover - Percy Jackson and the Olympians & Arrow - Rated: T - English - Adventure/Family - Chapters: 1 - Words: 1,672 - Reviews: 1 - Favs: 6 - Follows: 12 - Published: 3/26 - [Percy J., Oliver Q., Felicity S.] John D.
Korra Arrow AU by ijedi reviews
Korra and Asami step into the Spirit Portal. Instead of arriving to the Spirit World, the two women arrive in Starling City, in Arrow Cave, where they meet Oliver, Felicity, and Diggle. Korra and Asami work with Team Arrow to defeat Slade Wilson, as well as helping Team Arrow in their line of work. Korrasami, Olicity.
Crossover - Legend of Korra & Arrow - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 1,190 - Reviews: 2 - Favs: 2 - Follows: 1 - Published: 3/25 - Korra, Asami S., Oliver Q.
Piercing eyes by AnnaEmmaSwan021 reviews
When and old friend comes to the rescue
Crossover - Arrow & Agents of S.H.I.E.L.D. - Rated: K+ - English - Romance/Humor - Chapters: 2 - Words: 3,455 - Reviews: 2 - Favs: 3 - Follows: 4 - Updated: 3/25 - Published: 3/22 - [Felicity S., Oliver Q.] OC, P. Coulson
What The Hell (If you're not in S10 of SPN do not Read) by ChaosLilKat reviews
Building on my prior Arrow/SPN crossovers I am throwing in the Flash for fun. Ghosts appear in Starling City, Oliver calls in the experts. Sam and Dean figure out fairly quickly someone is summoning them. When the boys and Team Arrow follow all the trails and track down the summoner they come up against a problem and the solution is going to require a little extra speed.
Crossover - Supernatural & Arrow - Rated: T - English - Chapters: 15 - Words: 23,292 - Reviews: 12 - Follows: 1 - Published: 3/25 - Sam W., Dean W., Oliver Q., John D. - Complete
Always be my Thunder by Ellabee15 reviews
Felicity is recruited by SHIELD to help with an impending disaster. A life altering accident forces her to make an extremely important decision which will forever change the dynamics of Team Arrow and those of the Asgardian court.
Crossover - Avengers & Arrow - Rated: T - English - Chapters: 24 - Words: 56,503 - Reviews: 153 - Favs: 84 - Follows: 155 - Updated: 3/24 - Published: 1/26 - Thor, Loki, Felicity S.
Arrows: Starling City by Arsenal597 reviews
Five years had changed Harry Potter and Oliver Queen and now back home their work is just beginning. The island seems to be not done with the duo as harry is targeted by an old enemy hidden in the shadows, and as the arrows they uncover a plot to destroy starling city, and its up to them to save it, but their work is cut out for them. follows arrows the Island Years.
Crossover - Harry Potter & Arrow - Rated: T - English - Adventure - Chapters: 8 - Words: 32,418 - Reviews: 188 - Favs: 388 - Follows: 516 - Updated: 3/23 - Published: 12/27/2013 - Harry P., Oliver Q., John D.
Enigma by DeltaEnlightment reviews
AU:Series of random one shots where Felicity is Artemis, and Roy is Speedy/Roy. And Oliver knows nothing of it. They struggle to handle two lives while trying to keep Ollie in the dark, and deal with JLA, and YJ and others. X-over with Arrow/Young Justice/DC Universe
Crossover - Young Justice & Arrow - Rated: T - English - Humor - Chapters: 8 - Words: 11,265 - Reviews: 9 - Favs: 23 - Follows: 36 - Updated: 3/23 - Published: 12/5/2014 - Artemis C./Artemis, Roy Harper/Arsenal, Felicity S.
Protecting the Family by lateVMlover reviews
This short story will follow "Black Meets Green" picking up the events of season 3 of Arrow with Steve and Felicity as an established couple. Pepper surprises Oliver with a surprising development. The Black Widow will be returning to Starling. You should read "Because I'm Worth It" and the others before reading this.
Crossover - Avengers & Arrow - Rated: T - English - Romance/Friendship - Chapters: 5 - Words: 18,996 - Reviews: 49 - Favs: 43 - Follows: 77 - Updated: 3/22 - Published: 1/8 - Black Widow/Natasha R., Captain America/Steve R., Oliver Q., Felicity S.
Map My Face Out (Line by Line) by EmyBlossom93 reviews
When she is attacked by a hooded vigilante, Felicity finds herself trading in her safe world wires and hard-drives for vampires, ghosts, and werewolves (oh my!) All while trying to solve the biggest mystery she's come across so far: Just what is she, exactly?
Crossover - Flash & Arrow - Rated: T - English - Supernatural/Romance - Chapters: 4 - Words: 5,200 - Reviews: 4 - Favs: 7 - Follows: 12 - Updated: 3/22 - Published: 3/9 - Oliver Q., Felicity S.
La serenata de Starling City by Magik-Illiana reviews
1953. Barry Allen es un detective privado sin ningún caso interesante entre las manos hasta que Felicity Smoak se cruza en su camino: su jefe, el playboy reformado Oliver Queen, ha desaparecido. Y lo que al principio parece un caso fácil, acaba complicándose. Oliver/Felicity y Barry/Caitlin.
Crossover - Flash & Arrow - Rated: K - Spanish - Suspense/Romance - Chapters: 2 - Words: 12,929 - Reviews: 4 - Favs: 4 - Follows: 2 - Updated: 3/22 - Published: 3/15 - Barry A., Caitlin S., Oliver Q., Felicity S.
What Did That Pineapple Ever Do to You? by PineappleoftheLordAssbutts reviews
Shawn is asked onto a case by the chief involving a serial killer in the nearby Starling City. But when he gets there, he finds himself getting drawn into things he shouldn't be, and befriending people he should have stayed away from. Will our favorite pseudo psychic be able to escape the clutches of a madman hellbent on getting his revenge? Rated T for anything that may happen
Crossover - Psych & Arrow - Rated: T - English - Chapters: 7 - Words: 8,521 - Reviews: 21 - Favs: 14 - Follows: 20 - Updated: 3/21 - Published: 6/25/2014
Thickness of Blood by LadySilver reviews
When Stephen and Oliver discover that secrets run in the family, they also learn that there's more than one way to fight a war.
Crossover - Tomorrow People, 2013 & Arrow - Rated: K+ - English - Adventure/Hurt/Comfort - Chapters: 6 - Words: 27,822 - Reviews: 38 - Favs: 51 - Follows: 101 - Updated: 3/20 - Published: 6/3/2013 - Oliver Q., Stephen J.
Critical Mass by limowrecked94
An unexpected trip to Central City reveals a new side of Ray Palmer.
Crossover - Flash & Arrow - Rated: T - English - Sci-Fi/Drama - Chapters: 4 - Words: 1,421 - Favs: 2 - Follows: 4 - Published: 3/19
A Horrible Week by Queen Peacock reviews
Vertigo is back except it is attacking Metropolis, mixed with Kryptonite causes the victims to become super Zombies. Felicity Smoak travels to Metropolis to meet up with cousin Lois Lane-Kent to get to the bottom of this mess. They both end up getting into trouble and have to be rescued by Arrow and Superman. Takes place after season 10 of Smallville and during season 3 of Arrow.
Crossover - Smallville & Arrow - Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 5,677 - Reviews: 6 - Favs: 13 - Follows: 16 - Updated: 3/19 - Published: 11/6/2014
The Flash and the Black Canary by Lycanboy666 reviews
Barry Allen meets Laurel Lance as the Flash... will the speedster get the courage to ask her out.
Crossover - Flash & Arrow - Rated: T - English - Romance - Chapters: 1 - Words: 1,223 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 3/19 - Barry A., Laurel L. - Complete
Road Not Taken by PsychoBarbie reviews
Cat has been bitten but before she ends her life, she knows she must go to Starling City and help her old friend Felicity and her boss, Oliver. But with her out of control possible werewolf powers and without her psychic powers, how is she supposed to do that? All she knows is she better figure it out before she ends up insane... and dead. TeenWolf/Arrow Xover Catverse!
Crossover - Teen Wolf & Arrow - Rated: T - English - Chapters: 29 - Words: 127,363 - Reviews: 124 - Favs: 52 - Follows: 71 - Updated: 3/19 - Published: 8/1/2014 - [OC, Stiles] Oliver Q., Felicity S. - Complete
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