Twilight Sparkle is interrupted from a midnight study session by the arrival of three confused magic students.

A short Harry Potter/My Little Pony crossover. Can the universe handle Twilight Sparkle and Hermione Granger in the same room?

EDIT: Rewritten per 2015-04-27

OHMYGOSH OHMYGOSH OHMYGOSH by Scribble Worthswords

Applejack and Rainbow Dash knew this would be hard, but a long distance relationship was in their future from the start. A Wonderbolt and an apple farmer don't have a lot of time in the same place, so they do their best with letters and the occasional weekends. But when Applejack finds out that Rainbow Dash is on the cover of Flyers Illustrated: Wet Feathers Edition, it plays on a fear she never mentioned to Dash: Everypony knows that famous ponies are different from normal folks. . .

Right?

"Wet Mane Rainbow Dash," used in the cover image, is by Suikuzu.
Prereading by DbzOrDie, First_Down, Tchernobog, and Jackie

Years ago, two unicorn prodigies attended the same school without knowing it. One became changed by friendship at an early age--the other far later in life.

At a fashion show gone wrong, the two prodigies at last meet. Being who they are, it's impossible for them to resist comparing notes...

(Companion image graciously provided by TurboSolid on DA. Thanks!)

From the smallest of mistakes can butterfly the greatest of disasters. Even reality itself is not safe, for even the very Laws of Creation themselves are being thrown to the wind. Now, two worlds connected by the fundamental Laws of Creation begin to collide, bringing two antitheses together in a maelstrom of biblical proportions. And when that happens, nothing will matter but a glitch in the system, the very same ghost in the machine that brought these two worlds together. Only six brave mares can possibly stem the tide of ruin and face the very Laws of Creation themselves.

A new restaurant has opened Ponyville with one really interesting attraction. And as we all know, there is one language friends, foes,and all races speak: Dance. Watch as all the ponies and characters you know and love show off their dancing skills (or lack of) in front of everypony!

One-shot.

Featuring: Princess Luna, Celestia, Cadance, Shining Armor, Braeburn, Little Strongheart, Vinyl Scratch, Octavia, Cutie Mark Crusaders, Spitfire, Soarin'.

In combination of "The Birds and the Changelings" and "Know Your Mare"

[youtube=http://www.youtube.com/watch?v=-kISjRO3L2U]

Rainbow Dash, best pony, fastest flier in Equestria, all around awesome mare, was called upon to help with the wedding of her friend's big brother. And hey, she never leaves her friends hanging! Of course, when it turned out some kind of bug thing had replaced the bride, Rainbow was more then ready to fight. Heck, even after it seemed all hope was lost, the pegasus refused to give up.

So when she saw Shining Armor charge up a final spell, she smirked.

But when that spell reached her and flung her against the wall, her smirk devolved into shock...

Cover art is a combination of Deception is Magic vector by Helios and Sonic Rainboom Version One by SkyRings.

Spin-off sequel to Fashionista's Dilemma.
Several months have passed since Michael Walker's single-day experience as Twilight Sparkle. The night before his birthday, he has his car transform him into pony -- this time as the Great and Powerful Trixie. He ends up getting far more than he bargained for as he travels between two distinctly different universes, meeting a distinctly different version of Trixie in each one. He ends up losing everything on his human homeworld, choosing to become a unicorn stallion and tagging along with Trixie, and performing on stage with her as they travel across Equestria. Ultimately, every happy ending must come to an end.

Cover image by GSphere of Deviantart.

The Super Rainbow Dash fanfic, as written by her concept creator.

The follow-up to this fic can be found here: "Harmonic Retribution ~HERO~"

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The Elements of Harmony. The most powerful magic in all of Equestria...

For two times now, they have been wielded by six individual ponies, bound together by the Magic of Friendship, to successfully counter the wicked and chaotic ambitions of those who sought to conquer the world.

Yet, for all their usefulness, these magical artifacts still remain a mystery to most of ponykind. Perhaps the most important question is, was it really the full potential of them that was displayed by the wielders? Or is there simply more than what meets the eye?

When Rainbow Dash recieves an updated version of the book focusing on the Elements of Harmony and reads its new chapter that tells of a special incident that supposedly happened eons ago, soon, a series of events happen afterward. Events which ultimately culminate in Rainbow Dash discovering her true destiny, as well as discovering what she really holds inside in her very own soul...

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As this fic was started in 2012, the setting of it is after the events of the Canterlot Wedding, and therefore ignores most of season 3 and 4 while keeping some of what was revealed about the Elements of Harmony in those seasons intact, including the Tree of Harmony.

The main theme of this fic, as well as the theme of Super Rainbow Dash, is Daiki Kasho's "5OUL ON D!SPLAY" from Gran Turismo 5/6/Sport/7.

Super Rainbow Dash concept and design by me. Conceptualized in the summer of 2011, pre-dating Hasbro's Rainbow Power forms.

The short animation on YouTube by TehJadeh.
Fanart collection.

Cover art by DomesticMaid and me.

Twilight had always been a diligent researcher. She would routinely pour over every book she had at her disposal in preparation for every royal assignment. Except, sometimes books can only teach one so much. With this heretical idea in mind, Fluttershy and Rainbow Dash decide to take it upon themselves to make sure Twilight keeps her wings clean, and doesn't embarrass herself in the sky.

After an unknown accident Twilight Sparkle and Rainbow Dash awake to find themselves sharing the same body! Now they must struggle to hold themselves together as their world is turned upside down. How long can two ponies exist in a single mind? It’s a race against time as they search for answers before it’s too late. When all is said and done, you’ll never look at Twilight Dash the same way again.