TD, the human that first showed up in Equestria in No, I am NOT a Brony, GET ME OUTTA EQUESTRIA!!! is depressed that he's stuck in the world of ponies with no way home, but finds solace in helping Cheerilee teach her class. However, Cheerilee is sick with the flu one week, and that just happens to be the week that a teaching supervisor comes to the small Ponyville classroom. From the very beginning she has doubts that TD is a person fit to teach the future generations of Equestria. Should TD fail to meet her standards, he will not be allowed to teach them anymore.

Non canon in the Non-Bronyverse

Discord has been meddling in other dimensions and to the horror of the Princess has brought a creature back from one of them to prove it. The main six must now help to return this tragic wayfarer to his home, but not before he leaves an impression that will be hard to forget.