Motto Marutto Railgun IV (もっとまるっと超電磁砲 IV Motto Marutto Rērugan IV?, lit. "Much More Railgun IV") is the fourth episode of the bonus short animation parody of the Toaru Kagaku no Railgun S anime. It was first released on November 27, 2013 as limited external manufacturer benefits bundled in the fifth Blu-ray and DVD releases of Toaru Kagaku no Railgun S.


Adapted FromEdit

Parodies of various Toaru Kagaku no Railgun S and Toaru Majutsu no Index-tan anime episodes, specifically:



  • Electromaster (Railgun) - Misaka Mikoto, Level 5
  • Electromaster - Misaka Imouto-tan, Level 2-3



  • As an extension to their discussion with Kaiju cliches, the AIM Burst is shown as an example on how a kaiju on their show is not unlikely.
  • This episode references Misaka 10032's cat disappearing during Mikoto and Touma's stand-off on the bridge.

Cultural ReferencesEdit

  • Classic Kaiju tropes are referenced during this episode.
    • Guillermo del Toro is referenced in this episode as an extension with the girls' discussion regarding kaiju cliches. It is likely a reference to Pacific Rim which was released in August 2013 in Japan, months before this episode was released.
    • The Super X from the Godzilla franchise is referenced.
  • Japan's Vice-Minister of Defense, Nagashima Akihisa is referenced.

Animation TriviaEdit

  • The wind turbine used for the Misaka Imouto-tan sketch is computer generated.



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