In this story Spike finds a book with a D and a monster popping out of it. He reads a page with black dragon wearing armor, Spike began to wonder if both of them are the same.
Cutie Mark Crusaders Time Travelers, yay! ...Wait, what? When older versions of Apple Bloom, Sweetie Belle, Scootaloo and Spike appear from the future, Twilight and her friends are in for an adventure that may decide the fate of time itself!