When Twilight tries a mass teleportation spell with her friends they get stuck in another universe. What's worse is that their landing point was a magical spring that curses it's victims to transform into whatever drowned there. They are now cursed to turn into human girls whenever splashed with cold water, but hot water changes them back.

They weren't the only ones to fall in that day. They meet Ranma a male traveling martial artist who fell into the same spring (meaning he turns in a girl), his father Genma who becomes a Panda. Twilight agrees to cure them when she figures out a cure while they give her and her friends a place to stay.

Due to a series of events, they wind up in Japan where they must pose as normal high school girls. Where they must deal with a stupid swordsman who falls in love with them, martial arts based on running, rhythmic gymnastics and figure skating, rivals from those sports. And that's barely scratching the surface of the insanity that lies for them...

Edited by NightElf37 (chapters 1-16), Alticron (chapters 17 onwards) and Dr. Tempo. Cover art by by Schreibaby-Zephyrof deviantart

Meet Lavender, a rare offspring brought into the world by a loving dragon and a beautiful pony. She is told constantly by her parents that she is a beautiful gift of nature, but she is reminded everyday about just how different she is from the rest of the world. She is going to learn very rapidly how cruel and unforgiving the world can be for anything different from them.

Follow the journey of Spike, Rarity, and their offspring Lavender from birth to adulthood as they try to survive prejudice, natural impulses, and even their relationship between each other.

The character of Lavender and the artwork included all belong to Carnifex
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Someone actually thought this fic was worthy to be in the Twilight Library. Well... if you say so.

After Twilight's second trip to an alternate reality, Fluttershy becomes interested in the idea of other worlds filled, not with ponies, but with humans. Would she be able to interact with these hairless apes like her animal friends, or would she view them like she does other ponies and hide? Not only that, but all of her friends have gone on solo adventures that she doubts that she could ever go on without them. But with some encouraging words from Twilight, and a little help from discord, Fluttershy resolves herself to have an adventure in a human world. Lucky for her, discord has chosen a world filled with over a hundred and fifty species of new animals that she would love to find and meet.

This story takes place in the first generation of Pokemon, just slightly ahead of Ash's adventures.

Nearly 3 years after being married, Sweetie Belle is almost ready to give birth to her and Button Mash's first child. Just how will the new-born parents handle their new challenge of life, being parents.

Trixie is about to be killed by the Ursa when she tries one last spell in desperation, using all her remaining magical energy to cast it. The results are rather spectacular as she summons a creature strong enough to easily defeat the monstruous bear, one Ranma Saotome, martial artist extraordinaire. Ranma 1/2 crossover

The High Jew Elf Kyle, has found himself in Equestria or more specifically the Everfree Forest. As Kyle journeys through this land he will find ponies, griffons, princesses and even unexpected friendships on his quest to find a way home to South Park.
But will he even want to go home once the opportunity is shown?

At seventeen years old, Ash Ketchum just won the Kanto League Tournament. He's on top of the world, and one step closer to achieving his life long dream. But when Professor Oak shows him a mysterious book, Ash is forced into another new adventure, but not at all one he would've imagined in his wildest dreams. With only his wits, cunning, and faithful Pokemon at his side, he bravely takes a step forward into the unknown....known as Equestria.

(PS: Would anyone like to be a pre-reader for this story? It'd really help a lot.)

After another failed attempt at Cutie Marks, the CMC are leaving the forest when a sonic boom startles them all.
Scootaloo thinks it's Rainbow Dash and runs off to find her, Apple Bloom following suit.

Sweeite Bell, however, goes into the forest again, where she saw a flash of light. What she finds is an injured creature laying in a crater that doesn't match even Everfree Forest weirdness.

She decides to take the creature to Flutteshy's so it can get better.

This creature however, can't remember what happened or how it got to Equestria. it's memory is vague and it is haunted by nightmares of destruction and the feeling of losing someone important to it.

Set after an alternate ending to Unova's SurvivalCrisis! from Pokemon Black and White: Rival Destinies for Pokemon and before It Ain't Easy Being Breezies for MLP.

On the Eve of the Summer Sun Celebration, the forsaken Princess, Nightmare Moon returns to claim her vengeance upon the ones who had shunned her and her night. As Nightmare appears and lashes out at Twilight, a rushed defense spelled causes an unknown being to crash onto the scene right after Nightmare, saving the lavender unicorn in the process. With a cocky grin and devil don’t care attitude, the unknown blue creature smirks and challenges the Nightmare without a second thought.

Theme:It Doesn't Matter: Passion and Pride

(Yes...This Will be Sonic Boom X My Little Pony Crossover. More then likely not the first but certinly not the last)