Watch Toaru Kagaku no Railgun 4th Season Watch now on Miruro — Free Anime Streaming The fourth season of Toaru Kagaku no Railgun. Series info · Watch free · Trending anime · Airing schedule FormatTvStatusUpcomingStudiosJ.C.STAFFSourceMangaCountryJapan Super Power · Primarily Female Cast · Female Protagonist · Ensemble Cast · Urban Fantasy · Superhero Toaru Kagaku no Railgun T (Prequel) · Toaru Kagaku no Railgun (Source) Mikoto Misaka · Kuroko Shirai · Kazari Uiharu · Ruiko Saten