とある科学の超電磁砲
The first chapter of "Railgun" was published in the April 2007 issue of ASCII Media Works' "Dengeki Daioh" shōnen manga magazine, and the succeeding chapters are serialized monthly. The first "tankōbon" volume was released by ASCII Media Works under their Dengeki Comics imprint on November 10, 2007; as of October 11, 2018, 14 volumes have been released. Seven Seas Entertainment licensed the manga in English and began releasing the series in North America starting with the first volume in June 2011. "Railgun" was adapted as a 24-episode anime television series by J.C.Staff, which aired in Japan between October 2009 and March 2010, followed by an original video animation on October 29, 2010. A second season, "A Certain Scientific Railgun S", began airing in April 2013. A third season, "A Certain Scientific Railgun T", premiered in January 2020.