This all should have been a bad dream, but it wasn't. Two farmers start to experiance strange physical changes after they turn 25, and don't know how to stop it. "Five Score Divided By Four" side fiction.
Doctor Whooves tags along with the Mane Six when they travel to the Crystal Empire. But they soon find out that their friend, the Doctor, knows a lot more about the Crystal Empire then they realize when he runs into King Sombra.