Everypony thinks that Queen Chrysalis escaped capture, but Discord's captured her and holds her prisoner in his home dimension. She's going to get reformed by the Master of Mayhem. Eventually. Maybe. Theoretically.
Equestria's in for a shock when they discover immense, yet kindly giants composed of stone and earth suddenly appearing and residing within their land.
The Mane Six are joined by three others in a quest to use the Elements of Harmony one last time, as a brewing war between Tartarus and the free creatures of the world threatens to destroy Equestria forever.
Rainbow Dash can't seem to think of an idea to stop Tank from hibernating so she turns to writing questionable song lyrics and bad fan fictions for inspiration.
Pinkie Pie finds the love her life in the mysterious town of Griffonstone so she takes the necessary steps to make sure it doesn't become the statue that got away.