The Cutie Mark Crusaders get an important talk from Princess Celestia after the Gabby Gums incident. Nothing whatsoever goes wrong in the process and zero extra-credit assignments are given.
Ever since Twilight Sparkle has taken the steps to princesshood, Ivory Scroll has become obsolete as Ponyville's Mayor-Mare. Nothing could be more devastating to her, and she aims to renew her sense of purpose in the world.
Canterlot Castle: a place of wonders and revelations, countless advances having been made within its sturdy walls. However, what should have been a great leap forward has instead flung a pony into the unknown...