Twilight and the Elements tracked down King Sombra's horn, intent on putting an end to Sombra's threat once and for all. But when the horn is stolen, the ponies find that one of Sombra's secrets has returned, bringing hate. And in exploring the dark secrets of Sombra, the ponies find a way to resurrect the Spirit of the Rebellion, which they thought Sombra had crushed a thousand years ago.

Screwball has waited long enough for Discord to return to his old ways. Bored with toilet-paper rolling houses in Ponyville, Screwball decides it's time for a new God of Chaos to take the throne.

Twilight Sparkle didn't know what she'd lost until an unknown villain sent her a ransom note for Smarty Pants. Now, Twilight must deliver 700 rolls of toilet paper to the kidnapper, or lose Smarty Pants forever.

Spike's honor is his life, and he intends to prove it as he embarks on an epic journey to Castle-CMC-Clubhouse to rescue the fair Sweetie of Belle.

He used to be a bunny who believed in justice. But if the universe won't pay back Discord for betraying Fluttershy, Angel Bunny will handle it himself.