The Doctor and Ditzy return to Ponyville to enjoy a nice and peaceful vacation after traveling the universe but when a Stallion appears out of thin air the Doctor has to choose, spend time with his companion? or help this lost stallion?

When a pony appears inside the library, The Doctor and Twilight help him find out exactly why he is here and how to return him home, but things don't go as planned when he decides to run off endangering the lifes of everypony