Toaru Kagaku no Railgun S: Motto Marutto Railgun
English title: A Certain Scientific Railgun S Specials
Japanese title: もっとまるっと超電磁砲
Alternative titles: Toaru Kagaku no Railgun MMR III, Toaru Kagaku no Railgun MMR IV Specials, Motto Marutto Railgun
Type: Special
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: Jul 24, 2013 to Nov 27, 2013
Duration: 9 min per ep
Rating: PG-13 - Teens 13 or older
Studios: J.C.Staff
Genres: Comedy

Toaru Kagaku no Railgun S specials that were released on Blu-ray and DVD volumes.