To Aru Kagaku no Railgun OVA

A side story OVA, supposedly dealing with the origin of the MISAKA project.

[OVA, 2010-10-29, 1 episode, 30 min.]

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[edit] The ↗To Aru franchise:

Main story:

• (2008) To Aru Majutsu no Index (1st season, 24 TV episodes)
• (2009) To Aru Majutsu no Index-tan (2 short parody specials)
• (2010) To Aru Majutsu no Index II (2nd season, 13 TV episodes)
• (2013-02-??) _ To Aru Majutsu no Index movie (ANN news)

Railgun spin-off:

• (2009) To Aru Kagaku no Railgun (side story, 24 TV episodes)
• (2010) To Aru Kagaku no Railgun - Specials (3 short DVD specials)
• (2010) To Aru Kagaku no Railgun OVA (? OVA episodes)
• (2013) To Aru Kagaku no Railgun S (sequel, 24 TV episodes)