A few weeks after Scootaloo's and Sweetie Belle time adventure, Scootaloo finally trust Diamond Tiara right before she gets kidnapped and bought to another world.
Somewhere in Equestria, a dangerous hidden force is about to be unwittingly released from its restraints and the power it commands will change the life of one particular individual...FOREVER.
Somehow, Sweetie Belle convinces Rarity to let her attend a dress convention in Canterlot. However, when you have somepony as clumsy as Sweetie Belle as a sister, the outcomes can only be bad.
On the eve after a great storm decimated Ponyville a horde of ancient monsters is unleashed by the CMC. Now they have to work together to reseal the horde.
Takes place in the same AU as "Rainbow Dash v.s. The Toilet". While staying over at Rarity's for a play date, Scootaloo expresses to her friends her desire to learn how to use the toilet. But how will they do it without Rarity finding out?
Twilight and Super have a short chat. Then Scootaloo visits the human world to become a math wiz, then tutors Sweetie Belle who becomes a civil engineer.