User blog comment:Otaku Chick/Otabear's Anime Review: Ep 145/@comment-2214433-20120825143817/@comment-2214433-20120825171518

Well, I counted the episodes with my friend some time ago, each opening lasts for 12 episodes and if I recall, we concluded that the filler ends by the end of September. Unless they pull another 12 filler episodes :P