Flash and Supergirl Crossovers
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The Other Side by PolarTempest reviews
This is a slightly AU story that starts at the end of the Supergirl/Flash crossover episode. My own personal take on how things could have gone.
Rated: T - English - Romance/Family - Chapters: 12 - Words: 13,584 - Reviews: 24 - Favs: 58 - Follows: 81 - Updated: 2/23/2018 - Published: 12/7/2016 - Barry A./The Flash, Kara D./Supergirl
Donuts - A Karry Oneshot by KarryLover2004 reviews
Donuts, and races. No Spoilers, read it yourself. First chapter is glitched, real story is in chapter 2.
Rated: K+ - English - Humor - Chapters: 2 - Words: 608 - Reviews: 6 - Favs: 4 - Follows: 3 - Updated: 2/22/2018 - Published: 2/15/2018 - [Barry A./The Flash, Kara D./Supergirl] Cisco R., Wally W. - Complete
The Beginning Of The Super Friends by DisneyBrony96 reviews
Barry Allen travels to earth 38 which is Supergirl's earth and stays for awhile, but somethings happen during his visit.
Rated: T - English - Suspense/Sci-Fi - Chapters: 2 - Words: 2,022 - Reviews: 1 - Favs: 8 - Follows: 5 - Updated: 2/15/2018 - Published: 2/13/2018 - Barry A./The Flash, Kara D./Supergirl, Alex D., Lena L. - Complete
Crisis on Earth-X by Afaim reviews
Crossoverfic aus meinem A/B/O-Arrowverse. Es ist die Hochzeit des Jahres! Gäste aus vier verschiedenen Welten sind zur Hochzeit von Barry Allen und Iris West eingeladen worden, doch was wenn uneingeladene Gäste aus einer fünften Welt auftauchen? Einer Welt, die so furchtbar ist, dass die anderen Welten ihr eine Nummer verweigern und sie nur als Erde-X bezeichnen...
Rated: T - German - Drama/Angst - Chapters: 22 - Words: 70,769 - Reviews: 2 - Follows: 2 - Updated: 2/15/2018 - Published: 1/8/2018 - Barry A./The Flash, Iris W., Kara D./Supergirl, Alex D. - Complete
Midvale by Stannis is the one true king reviews
What if Barry, Kara and a few others attended high school together? Welcome to Midvale, where heroes are everywhere. R&R! Yes, this is MAJOR AU, Barry is a Wells, not an Allen, and they're all on the same Earth, let's call it Earth-4.
Rated: T - English - Chapters: 3 - Words: 2,495 - Reviews: 10 - Favs: 31 - Follows: 36 - Updated: 2/14/2018 - Published: 3/3/2017 - Barry A./The Flash, Kara D./Supergirl, Maxwell L.
Our Girl by Artemis08Luna reviews
Barry says "our girl" to three different sets of people on three separate occasions, referencing three different women. (KARIVARRY)
Rated: K+ - English - Humor/Family - Chapters: 1 - Words: 2,425 - Reviews: 1 - Favs: 36 - Follows: 18 - Published: 2/11/2018 - [Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl] - Complete
A whole new world (literally) by KryptonianPotato reviews
After the events of world's finest, Kara tries, to visit Barry on earth one. But she messes up the vibrations and goes to the wrong earth. Cisco vibes it and tells Barry. He goes to save her and they get stuck. Neither Cisco nor Barry can open a breach to get home, and it turns out to be the work of a familiar foe.
Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 2,001 - Reviews: 9 - Favs: 20 - Follows: 28 - Updated: 1/29/2018 - Published: 1/24/2018
SuperFlash by call-me-ocean reviews
this takes place in season 1 of Supergirl and season 2 of the Flash. Basically, we will start this story with Kara and Barry in their respective episodes then I will start a rewrite. And from there we will have a story! Sorry for typos, takes place in World's Finest. T just to be safe
Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 2,063 - Reviews: 7 - Favs: 13 - Follows: 13 - Published: 1/28/2018 - Barry A./The Flash, Kara D./Supergirl
The Way They Work by Artemis08Luna reviews
Ralph Dibny doesn't really get the three heroes standing in front of him. They're having another one of their infamous screaming matches after failing to stop a heist. He can't take it anymore, he just has to ask, "If they hate each other so much, why are they still together?" (KARIVARRY)
Rated: K+ - English - Humor/Romance - Chapters: 1 - Words: 978 - Reviews: 2 - Favs: 48 - Follows: 20 - Published: 1/28/2018 - [Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl] - Complete
Not As Similar As Them by QueenArrowLove13 reviews
Barry and Kara from Earth 17 accidentally transferes to Earth 1 and The Flash, Green Arrow and Supergirl helps them go back to their universe.
Rated: K - English - Drama/Fantasy - Chapters: 1 - Words: 68 - Reviews: 3 - Favs: 5 - Follows: 3 - Published: 1/23/2018 - Barry A./The Flash, Kara D./Supergirl
Karry by orangejulius01 reviews
My attempt at a Karry pairing, Flash has escaped the speedforce but after being cheated on and undervalued runs to the only earth he thinks he can hide on. Meanwhile Kara has been left heartbroken by James and still hasn't stopped myriad,which will happen later. will contain lemons and fighting. Takes place after Flash and supergirl fight liverwire, winn still at DEO heavy OCevents
Rated: M - English - Romance/Adventure - Chapters: 3 - Words: 5,401 - Reviews: 27 - Favs: 125 - Follows: 135 - Updated: 1/23/2018 - Published: 1/21/2018 - [Barry A./The Flash, Kara D./Supergirl]
The Adventures of Harry and Cisco by geeorgiaaaaaaa reviews
Harry and Cisco are brothers. They end up going to a Superhero High School, and meet some amazing new Superheroes in training, such as Barry Allen, Kara Danvers, Mike Matthews, and even Oliver Queen. When Cisco gets his powers, and Harry doesn't, when he finally gets them, will he become a Superhero, or a Supervillain?
Rated: K - English - Mystery/Romance - Chapters: 1 - Words: 830 - Reviews: 1 - Follows: 1 - Updated: 1/16/2018 - Published: 1/11/2018 - Cisco R., Harrison Wells, Barry A./The Flash, Kara D./Supergirl
Crisis On Earth 38 by dirgeceberus93 reviews
Kara and her team have been betrayed. Kara was injured but her team turns to the only friends Kara trust which is the Flash, Supergirl and her team arrive unexpectedly at Earth 1 to seek help. A new alliance are created to help Supergirl retain her citizen back.
Rated: M - English - Chapters: 12 - Words: 27,329 - Reviews: 8 - Favs: 33 - Follows: 25 - Updated: 1/10/2018 - Published: 8/31/2017 - Barry A./The Flash, Iris W., Kara D./Supergirl, Mon-El - Complete
Super Family by Ember411 reviews
Is it easier or harder to raise children like a normal family with superpowers? Kara Danvers and Barry Allen are soon going to discover if their theory is correct or incorrect. Rated T for minor violence
Rated: T - English - Family/Friendship - Chapters: 66 - Words: 75,094 - Reviews: 222 - Favs: 198 - Follows: 186 - Updated: 1/8/2018 - Published: 9/2/2016 - Barry A./The Flash, Kara D./Supergirl - Complete
Karry: Reborn by KarryLover2004 reviews
After the events of Duet: Alternate ending, Kara is broken after the loss of the only man that she ever loved, but when Cisco has a plan to brings him back, will he be the same? Join team Flash in meeting new friends and heroes, and new foes. (Description is still in the works)
Rated: T - English - Romance/Adventure - Chapters: 2 - Words: 3,401 - Reviews: 12 - Favs: 27 - Follows: 31 - Updated: 1/7/2018 - Published: 11/30/2017
The Story of Krypton by KarryLover2004 reviews
Barry Allen never existed. Instead there was Barry Ze-Li, boyfriend of Kara Zor-El on Krypton. When Krypton is destroyed, he Kara, and her cousin Kal-El were sent to earth. However, Barry and Kara are sent into the Phantom Zone. When they finally escape, how will they survive.
Rated: T - English - Chapters: 2 - Words: 1,041 - Reviews: 11 - Favs: 29 - Follows: 30 - Updated: 1/7/2018 - Published: 1/3/2018
Survivors by Artemis08Luna reviews
Barry disappeared into the Speed Force to stop Savitar once and for all. In the end, it'd been Savitar the Speed Force spat out, with the Flash's head gear crumpled in his hand. "He's dead."
Rated: T - English - Angst/Hurt/Comfort - Chapters: 5 - Words: 8,804 - Reviews: 6 - Favs: 23 - Follows: 17 - Updated: 1/7/2018 - Published: 12/30/2017 - [Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl] - Complete
Duet Redux by Stannis is the one true king reviews
What if Cisco's vibe had failed and Iris and Mon-El hadn't appeared to save Barry and Kara? What could happen next to the two heroes trapped in a musical world as their friends struggle to revive them? R&R!
Rated: T - English - Romance/Friendship - Chapters: 4 - Words: 3,081 - Reviews: 16 - Favs: 49 - Follows: 61 - Updated: 12/29/2017 - Published: 5/5/2017 - Barry A./The Flash, Iris W., Kara D./Supergirl, Mon-El
I just want people to stop rooting me with only one of you by Artemis08Luna reviews
Barry Allen, Oliver Queen and Kara Danvers are roommates. All their fans know that, seeing as they appear in each others' Instagram posts and Snapchat stories all too often. But they haven't done a collab yet, and fans have been asking for one for YEARS. AKA: the Karivarry YouTuber AU no one asked for but exists anyway.
Rated: K+ - English - Romance/Humor - Chapters: 2 - Words: 3,745 - Reviews: 4 - Favs: 53 - Follows: 23 - Published: 12/28/2017 - [Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl] - Complete
To Keep You Safe by kbcountry37 reviews
In 2x22, when Kara pushes the button on the lead device, she also grabs the device that allows her to jump Earths, and she takes Mon-El and they jump to Earth 1, where Mon-El can breathe again. She leaves him in the care of Cisco, who promises to get help working on a cure for Mon-El's lead allergy so he can live on Earth-38 again with Kara.
Rated: T - English - Romance/Drama - Chapters: 1 - Words: 2,022 - Reviews: 1 - Favs: 26 - Follows: 29 - Published: 12/28/2017 - [Kara D./Supergirl, Mon-El] Barry A./The Flash, Cisco R.
Bits of Information by Artemis08Luna reviews
A collection of twenty facts about Kara, Oliver and Barry, and their relationship.
Rated: K+ - English - Humor/Romance - Chapters: 1 - Words: 3,707 - Reviews: 3 - Favs: 50 - Follows: 20 - Published: 12/27/2017 - [Barry A./The Flash, Kara D./Supergirl, Oliver Q./The Arrow] - Complete
They're Just Being Affectionate, Right? by Artemis08Luna reviews
The five times everyone notices Kara, Oliver and Barry just be a little bit sweeter with each other than normal and think it's really cute, and the one time they realized why. KARIVARRY/SUPERFLARROW
Rated: K+ - English - Humor/Friendship - Chapters: 1 - Words: 4,735 - Reviews: 8 - Favs: 141 - Follows: 62 - Published: 12/25/2017 - [Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl] - Complete
Deck the Halls by Hasty reviews
The guys on the Wave Rider decide to help Alex Danvers for Christmas. Kara takes exception, and Barry's the reluctant middleman. Post Crisis on Earth X.
Rated: T - English - Humor - Chapters: 1 - Words: 738 - Reviews: 1 - Favs: 3 - Follows: 1 - Published: 12/24/2017 - Complete
Finding my way back by Lorelei Candice Black reviews
One-shot. After going on the ship, Mon-El doesn't fly off into space but into a portal to Earth 1 in hope that her friends there can help him. Can Starlab help him? Can he help them get Barry back? Set after last season's finale for both shows.
Rated: K+ - English - Romance/Hurt/Comfort - Chapters: 1 - Words: 2,419 - Reviews: 3 - Favs: 22 - Follows: 10 - Published: 12/24/2017 - [Kara D./Supergirl, Mon-El] Cisco R. - Complete
Super and Meta Adventures by DJ Rynna Storm reviews
What if Kara and Barry were on the same Earth? What if they were brother and sister? This story focuses on Karry, a brother/sister pairing with no romance between the two! But there will be lots of violence. Because why not? May I also add in that there will be lots of adventures? UniteTheSeven (IMVU) gave me this idea, so if you ever see him around on IMVU, thank him!
Rated: T - English - Adventure/Family - Chapters: 1 - Words: 1,673 - Reviews: 2 - Favs: 13 - Follows: 15 - Published: 12/19/2017 - Barry A./The Flash, Kara D./Supergirl
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