The Toaru Majutsu no Index stage at the Dengeki Bunko 25th Anniversary Aki no Dengekisai event on Sunday announced a TV anime adaptation of Kazuma Kamachi and Arata Yamaji's Toaru Kagaku no Accelerator (A Certain Scientific Accelerator) manga, scheduled to air in 2019. Nobuhiko Okamoto and Rina Hidaka will reprise their respective roles as Accelerator and Last Order from the earlier anime adaptations in the franchise.
A third anime season of Toaru Kagaku no Railgun was also announced at the event. The main cast members are set to reprise their roles.
The espers of Academy City are classified into six levels, where "Level 0" lacks power and "Level 5" possesses an overwhelming amount. Of the several million espers residing in Academy City, only seven of them have attained Level 5, and ranked highest among them is the one known as Accelerator.
Toaru Kagaku no Accelerator focuses on the strongest Level 5 after he protects the cheerful Last Order at the price of much of his power. Recovering at the hospital, Accelerator has led a relatively quiet life until he ends up saving the life of Estelle Rosenthal, a mysterious girl carrying a photo of Last Order. Unfortunately, Accelerator now finds himself dragged into a new conflict in the form of a sinister organization called Disciplinary Action which plots to use Last Order for a dangerous mission. Now that they have set their plan into motion and are in pursuit of the young girl, it's up to the world's most powerful esper and his newfound companion to protect Last Order and defend Academy City in the process. [Written by MAL Rewrite]
The fantasy super-power manga has been serialized in Dengeki Daioh since December 2013. The ninth compiled volume will go on sale on October 11. North American publisher Seven Seas Entertainment licensed the manga in English in March 2015 and published the seventh volume on January 1. The eighth volume is planned for a February 12 release next year.
J.C.Staff produced two 24-episode anime seasons in Fall 2009 and Spring 2013, adapting the first six volumes and the earlier chapters of the seventh volume. Geneon Universal Entertainment (now NBCUniversal Entertainment Japan) released a standalone OVA in October 2010. The Blu-ray and DVD volumes and official visual books also included OVA and special episodes.
Seven Seas Entertainment licensed the manga in English in July 2010 and published the 13th volume on June 13. Funimation licensed the anime series in North America and released the first season on DVD in April 2013 and the Blu-ray later on in January 2015. The second season was distributed on DVD between July and August 2014 and on Blu-ray in January 2016.