Episode 21: “Counter Stop (Identity Unknown)”
- 21 of 24
- February 26, 2009
- 23 min
- Aired
From Acino, the anime encyclopedia
| Series | A Certain Magical Index |
|---|---|
| Episode | 21 of 24 |
| Original air date | February 26, 2009 |
| Episode length | 23 min |
| Studio | J.C.Staff |
| Previous episode | Episode 20: “Virus Code (Final Signal)” |
| Next episode | Episode 22: “Golem (Stone Figure)” |
| Streaming | Crunchyroll, Netflix, Hulu, Tubi |
“Counter Stop (Identity Unknown)” is episode 21 of the anime A Certain Magical Index. It first aired on February 26, 2009.
Summary
A summary of this episode has not been written yet.
Music in this episode
- OP 2“masterpiece” — Mami KawadaAnimeThemes
- ED 2“Chikaigoto ~Sukoshi Dake Mou Ichido~” — IKUAnimeThemes
Where to watch
Streaming services that list A Certain Magical Index. What you can watch depends on your country. Acino does not host any video; each link leads to the service's own page.
Episode guide
About the series
A Certain Magical IndexTV series · 2008 · 24 episodes · J.C.Staff · ★ 7.33
A Certain Magical Index is a 2008 Japanese anime television series based on the light novel series by Kazuma Kamachi. It is animated by J.C.Staff. It aired from October 5, 2008 to March 19, 2009, with 24 episodes.
Read the article →References
- “A Certain Magical Index”. Kitsu. Retrieved October 22, 2026.
- “Toaru Majutsu no Index”. MyAnimeList. Retrieved October 27, 2026.
- “A Certain Magical Index”. AnimeThemes. Retrieved October 23, 2026.
Episode titles and air dates come from Kitsu. The summary is written by Acino with AI assistance and checked so that it does not copy other sites.