The magic of Equestria mysteriously begins to fail, and Twilight and Dusk lead their friends on a quest for answers in Tartarus, leaving the School of Friendship open to attack from some dangerous masterminds but while the Mane Six And Colt Six try to escape from Tartarus after getting sealed in, Cozy Glow and Comfy Flicker furthers their plot to take over the School of Friendship, with only the Young Six and the Cutie Mark Crusaders to stop them.
11 parts