When Twilight's portals release Tirek into the human world and the humans get turned into ponies, they have to unite with their ponyselves to defeat him and save both world's.
(Unofficial sequel to "Mistaken For A Foal" by Matt11, features light diaper useage. Reader discretion is adivised). Fleetfoot wakes up one morning to find that she's been turned into a foal, and she's forced to stay at a daycare run by an old mare.
The second installment of a What If series, that involves the rewriting of episodes from Seasons 1-4 (Warning!: The rewritten episodes are the result of my personal opinion.)
A RarityxSoarin ship fic. When Soarin rips his flight suit he goes to see Rarity to have it fixed. Not long after doing so Soarin finds that he can't get the seamstress out of his head. That means he's in love.