ACertainScientificRailgun(とある科学の超电磁炮ToaruKagakunoRērugan?)isananimeseriesbasedonthemangaofthesamename,whichinitselfisaspin-offofKazumaKamachi’slightnovel,mangaandanimeseriesACertainMagicalIndex.
SetinAcademyCitybeforeandduringtheeventsofACertainMagicalIndex,theplotfocusesonMikotoMisaka,anelectromasterwhoisthethirdstrongestesperinAcademyCity,alongwithherfriends;KurokoShirai,aTeleporterandMikoto’sroommate,KazariUiharu,Kuroko’spartnerinJudgment,thecity’spublicsafetycommitteeandRuikoSaten,Kazari’sfriendandclassmate.