When the girls succeeded in befriending Discord they made a mistake. Chaos will always be present in any world, and it is better to keep the devil you know.
Anon decides to stop being a lazy piece of human garbage, taking it upon himself to find a job. He decides to be a therapist, because he totally has the qualifications for that.
A small journey into the jungle will some how lead you to an ancient temple where you will become trapped in a larg diamond for 10'000 years. But before that you just so happen to turn into a large female horse with wings and horn.
Hell's Kitchen, one of the world's most popular cooking competitions comes to Equestria! Two sides pitted against each other, friends battling one another for a chance to win the prize...
Stupid teenager dresses up as your favorite villain from your favorite movie/show/book/game, buys an amulet from The Merchant, is sent to Equestria, Celestia imprisons him for 1,000 years, he breaks free and goes on a quest for revenge.
Equestria has resources not found in any other dimension, so of course an alcoholic, mean-spirited scientist would get in on that and drag his grandson along for the ride.