All series / A Certain Magical Index / Arc 25
Arc 25 of 66 in A Certain Magical Index
Arc 25: Daihasei Festival
In the story: Sep – 20 Sep
Arc name chosen by Arc Almanac, because the books don’t name it.
Index I stops before this arc.
Railgun stops before this arc.
Partly seen by the end of Index II.
Partly seen by the end of The Miracle of Endymion.
Railgun S stops before this arc.
Partly seen by the end of Index III.
Accelerator stops before this arc.
Partly seen by the end of Railgun T.
Item (episodes 1–2; airing) stops before this arc.
What happens
Academy City's sports festival brings outside visitors into the city. Touma follows a magical threat aimed at the event, while Mikoto and Misaki become entangled in a separate scheme involving Tokiwadai and the Sisters.
Parts of this arc
- Index side
- Railgun side
Where it sits
| Format | Volumes | Units | Language |
|---|---|---|---|
| Light novel — A Certain Magical Index | Vol 9, 10 | Volume 9, prologue – volume 10, epilogue | Japanese |
| Light novel — A Certain Magical Index | Vol 9, 10 | Volume 9, prologue – volume 10, epilogue | English |
| Manga — A Certain Magical Index | Vol 12, 13, 14 | Chapters 66–85 | Japanese |
| Manga — A Certain Magical Index | Vol 12, 13, 14 | Chapters 66–85 | English |
| Manga — A Certain Scientific Railgun | Vol 7, 8, 9, 10 | Chapters 43–70 | Japanese |
| Manga — A Certain Scientific Railgun | Vol 7, 8, 9, 10 | Chapters 43–70 | English |
| Anime — A Certain Magical Index | Index II | Season 2, episodes 8–13 | — |
| Anime — A Certain Scientific Railgun | Railgun T, Railgun Special Selection: First Half (recap), Railgun Special Selection: Second Half (recap) | Season 3, episodes 1–15 | — |
Draft. Not yet checked against the books. Report a wrong mapping.