A Certain Scientific Accelerator was an anime series that ran from 2019 to 2019. In total 12 episodes of A Certain Scientific Accelerator were aired. With a total of 1 reported filler episode, A Certain Scientific Accelerator has a very low filler percentage of 8%. After rescuing Last Order and subsequently taking a bullet to the head, Academy City’s top-ranked esper rests in the hospital. But Accelerator’s recovery is cut short when a mysterious girl carrying a photo of his little clone companion asks for help. Now they’re taking on Disciplinary Action—an anti-evil coalition whose sinister plans threaten Last Order, Academy City, and even the entire world!