Celestia is rather confused why Twilight wants to kill all Humans.
Princess Twilight Sparkle wakes up to find herself in an alternate Equestria, where everypony is nice, nothing ever bad happens and everything is just 'perfect'. Naturally the place bores her to death.
The Ponies had succeeded in converting every Human into Ponies. However, two strange unstoppable white walls of death are now expanding across Equus and Earth.
Skeletor is the evil dark lord of the evil Human Liberation Front. Skeletor fights for humanity's very survival against the good and friendly alien ponies that plan to invade Earth to turn all humans into ponies against their will.
After being awoken by a loud and obnoxious alternate version of herself, Celestia visits the parallel universe her alternate self is from, to tell her egotistical copy of herself to shut up.
After a nasty encounter with Space Pirates, Fry, Leela and Bender ended up bumping into a certain Draconequus, whom sent them on a crash landing course to Equestria and to land them in the middle of the Everfree Forest.
The story in which you are an evil bastard of a human that refuses to pet adorable ponies.
Equestria sucks! Nopony wants to have sex with you. Until Rainbow Dash cums along with a big fat blue butt.
Twilight summons Preston Garvey for help with the Cutie Map. She soon regrets her decision.
Twilight Sparkle uses an ancient scroll to summon Minsc the Human and his hamster Boo to give an evil demon a righteous butt-kicking.
One of the psychotic clones of Gary from Vault 108 is teleported into Equestria.
The immortal, artificial intelligence known as CelestAI tries to convince a dying human to upload into Equestria, even though he hates her.
Harbinger is concerned about his fellow Reapers and this My Little Pony they are talking about.
Bender falls to sleep to wake up in Equestria, and does something that annoys a certain Pegasus.
Fluttershy finds a cute, harmless, little animal in the Everfree Forest. Little did she know this creature is not as harmless as it looks. In fact, it's an extremely dangerous animal.