Felicity struggles to save Oliver's humanity after losing him to the League of Assassins. Anything else would legit be a spoiler. Expect drama, romance, angst, humor, plot and plot TWISTS. Sparked by some amazing Tumblr theories I apologize in advance for completely ruining.

The particle accelerator didn't just create metahumans - it ripped timelines and dimensions apart. Team Flash and Team Arrow find themselves thrust into the middle of a world crisis. New friends will be made, and new foes encountered. (Takes place before The Trap.)

Barry meets a strange boy; one who does not seem to be a regular type of Metahuman. No longer one shot.

As a teenager, Barry Allen went by the name of "Sebastian Smythe." Why? Find out what happens when some old Lima Heights friends come to visit Central City.

(Buffy/Barry) After a tough day working, both Barry and Buffy need time to heal from their bruises.

Three years later, Team Arrow is still looking for Felicity. Told from a different POV per short chapter.

Barry Allen has been bullied for years. It has gotten too far, and he decided he needed a break. A series of unfortunate events lead him to Westerville Ohio. And a new name and a new life. Will this help him heal, or will he become someone he's not. Flash(2014) and Glee Crossover. T for Language

It isn't just super villain names that Cisco is good at coming up with. And why is John so pessimistic? And how are Barry and Oliver going to react when they see their girls? AU S4 Arrow and S2 Flash speculation. Pure Fluff, since we need it after everything that has happened.

An unexpected trip to Central City reveals a new side of Ray Palmer.

Felicity is shot and in a flash, taken to STAR Labs, without Team Arrow being brought into it. Wells shows his true colors.

Percy gets amnesia, AGAIN. He travels to central city and meets Barry Allen or the Flash and read to find out what happens. FYI I don't know what each rating means

Barry isn't just the Flash, and his past comes back to haunt him.

When faced with a shady arms dealer who may have more up his sleeve than he's letting on, Oliver calls in Team Flash to help take him down. Little do they know, this man really is more dangerous than any of them thought, and events are about to take a turn for the worst...

Oliver quiere pedirle a Barry que salgan oficialmente juntos, pero las cosas no siempre le salen como a él le gustaría ¿No? *Flash/Arrow; OliverxBarry*

Sequel to Slayer's Saviour) When Barry meets Buffy in Central city an old enemy surfaces with the ability of a slayer, can Barry and buffy take on such an enemy? and what could this mean for their relationship?

Barry Allen gets hurt in Starling City and doesn't have time to get home to S.T.A.R Labs so he goes to the Arrow cave instead.

Barry is upset and he runs, and ends up in ...Atlantis?

Ra's al Ghul gets an unexpected visitor, which could spell disaster for the Flash and the Arrow. No slash.

[Six Hands, Three Hearts 'verse: Part 1] The official story was a 'car accident', something easy for Sebastian - with his lack of knowledge about metahumans - to accept. The unofficial story was a ball of flame shredding his left wing, leaving him plummeting to the ground and shattering his bones. Barry knows he should have been there as The Flash to protect his Nightbird.

(hope you enjoy this 2nd Buffy and Flash crossover... sequel to Buffy and the Flash) Sunnydale is sinking and crumbling into the ground around Buffy, Will Barry get to his Slayer in time or will he fail.

Harrison Wells is obsessed with ensuring his version of the future. Why does Ray Palmer's relationship with Felicity threaten that future? Olicity.

(Spoilers for The Flash, episode 17) What if instead of hiding out in the Pipeline, Barry runs to Starling when he finds out about his dad? A grief stricken and fear ridden Barry ends up at the Arrowcave looking for Felicity for support, but comes upon Oliver instead. Contains over dramatic angst, hurt and comfort, and Olivarry. No fluff or porn, sorry.

'My name is Blurr, and I am the fastest Bot alive. I was already really fast, but then a accident made me something impossible. To the citisens of Cybertron, I'm a forensic analyst of the elite guard, but secretly I use my now granted speed to fight crime and find other cybertronians with granted gifts. I'll use my power to help them like i never could. I am 'THE BLURR'

Did anyone else see that mind-blowing trailer at the end of Flash 1.17? Well, I did, and thus this was born. Will Ray find out who the Flash is? Will Captain Lance accept the Arrow's innocence? Is Cisco really a goner no matter the continuity? Will Ra'as succeed in making Oliver join the league? And most importantly: who will front the money for the Watch Tower without Batman

Snart and Spike formed an uneasy Alliance long ago, now Spike has called upon Snart for assistance on a rather annoying Slayer both not seeing Central City's Saviour the Flash coming to the rescue... will Barry and Buffy survive their nemesis.