This story is a sequel to Rainbow Factory

Cloudsdale Weather Corporation has been running without incident for over twenty years. That is, until two foals manage to avoid being processed and find themselves in the haunted bowels of the massive facility. Can they make it out of the abandoned factory with their sanity intact? Will they uncover the secrets even a company as dark as the CWC is ashamed to keep? And what of the workers who help ensure that, in the end, not a single soul gets through...

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—[TVTropes Article]—[Plagen Shiki's Reading]—[The Song Inspired by the Story]—

This story is a sequel to Mission: Improbable

A few weeks after the Spy returned from his extended stay in Equestria, the Medic found that he needed to have a few of those so-called "ponies" to... study. But with robots still attacking Mann Co., how can he find the time to acquire such a specimen?

By sending a scout ahead, of course.

It had been about a month since the changeling incident in Canterlot. Everypony is on edge, because stray changelings keep popping up here and there, trying to blend in with the population. Everyone worries that one of their closest friends, or even their family, could not be who they appear to be. But what happens when a pony isn't really that pony...

...but they're not a changeling, either?

(CJ)Cave Johnson here, (TW)Twilight Sparkle here, (CJ)and we will be testing the least safe parts of science possible! First, we're going to see if we can turn Scootaloo into a chicken! (TW)For science! (CJ)Yes yes, for science! Then we will see if Applejack can survive if we replace her apple trees with combustible lemon trees! And last but not least, you all might have wondered, what happens when you give Pinkie Pie coffee? Well, we're about to find out! (TW)For science! And many more! The possibilities are endless!

Pinkie Pie is friends with everpony in Ponyville, but what if just one day Pinkie did something so destructive, so horrifying, and so scarring her friends turn on her

She then discovers a lost "friend" that has been living right under her nose to set her straight, but is it so smart for Pinkie to go without friends for awhile?

Will things work out in the end for Pinkie or will her friendship(or mind) crumble around her?

"YOU ARE NOT THE REAL PINKIE PIE!"
"You probably shouldn't even exist."
"You're only a clone, you don't HAVE any feelings!"

Who was she to believe? She was barely a day old, and already she'd seen the disappearance of her mirror images, all but her. Was she just a clone? A disposable unfeeling analog?
What would happen if she became her own pony? If she became real?

Is it possible for one of the Pinkie's, the only copy left behind, to develop? To become an entirely different pony to the one that she was modelled after?

Oh, and before I forget, thanks to the amazing WerewolfNobody for the (At one point) cover art!
Featured on Equestria Daily!

Food ponies have it rough. For one thing, the ultimate pleasure lies not in physical touch, but in being, well, eaten, some enjoying this pleasure to the fullest and losing their lives. Parmesan, a pizza pony, came to Ponyville after narrowly avoiding being eaten in Manehatten. She never wanted much out of a relationship, but it would be nice to find at least one pony who can treat her normally without looking at her like she's just a breadstick. So, when she meets a fun loving pink mare that tastes of cotton candy and isn't bothered by her gooey complexion, she can't help but get a little cheesy.

Art by Kooner01 of DA, Credited to swaetshrit of DA

I have always been alone in this forest. I have always feasted in this forest. I call this forest home and those ponies that travel through it are my prey. I devour all those who fear me, all who come to face me. They fear me for I am Fear incarnate. But now...I have met one who does not fear...and I am unsure of what do with her...

Image by the very awesome thewraithofwolf

After a tragic accident, Miss. Cheerilee is left sick and can't teach her class. Pinkie Pie decides to take over the class temporary for the day and teaches them all about Physics. Will this be a normal lesson or something crazy from the party mare.

Nightmare Night; the scariest night of the year. But what happens if those fears are rational? Never let your fears get the better of you. Don't let them grab hold of your fears.