Today is Pinkie Pie's birthday, and Rainbow Dash decides to congratulate her friend up front with a (not-so-well) home-baked cake. Out of surprise, however, she accidentally throws it into Pinkie's face, setting off an all-out war between the two.

Ditzy has always been a far-from-perfect pony. After getting a request from Twilight to deliver an important package to the Everfree Forest, she meets a "pony" who has been alone for much too long. He enjoys her company, until she has to leave...