Attack on Titan: Junior High was an anime series that ran from 2015 to 2015. In total 12 episodes of Attack on Titan: Junior High were aired. Attack on Titan: Junior High has no reported filler. Your favorite characters from Attack on Titan are back in…junior high school? Adapted from the hit spinoff manga series—Attack on Titan: Junior High (written by Saki Nakagawa), this parody reimagines Eren, Mikasa, Armin, and other characters from the original manga as students and teachers at Titan Junior High School.