IS: Infinite Stratos

Infinite Stratos

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Alternative Titles

Synonyms: IS
Japanese: IS 〈インフィニット・ストラトス〉
English: Infinite Stratos
More titles


Type: TV
Episodes: 12
Status: Finished Airing
Aired: Jan 7, 2011 to Apr 1, 2011
Premiered: Winter 2011
Broadcast: Fridays at 01:25 (JST)
Licensors: Sentai Filmworks
Studios: 8bit
Source: Light novel
Genres: ActionAction, ComedyComedy, RomanceRomance, Sci-FiSci-Fi, EcchiEcchi
Themes: HaremHarem, SchoolSchool
Duration: 24 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 6.621 (scored by 363912363,912 users)
1 indicates a weighted score.
Ranked: #68912
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #335
Members: 640,536
Favorites: 2,287

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Ranked #6891Popularity #335Members 640,536
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Episodes: /12


An exoskeleton weapon engineered by Japan, Infinite Stratos (IS) can be piloted only by women. Its power and combat prowess are so immense that an international treaty has been signed banning its use as a military asset.

When it is discovered that 15-year-old Ichika Orimura is the only male capable of steering an IS, he is forcibly enrolled in the Infinite Stratos Academy: an all-female boarding school, the students of which graduate to become IS pilots. At this training school, Ichika is reunited with two of his childhood friends, Houki Shinonono and Lingyin Huang, and befriends Cecilia Alcott, an IS representative from the United Kingdom.

Guided by the legendary pilot Chifuyu Orimura—their strict homeroom teacher and Ichika's older sister—Ichika and the girls will need to use everything at their disposal to defend themselves and their academy against the dangers that will arise during the course of their thrilling school life.

[Written by MAL Rewrite]


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Related Anime

Characters & Voice Actors


Kasai, Tsutomu
Producer, Planning
Iwasaki, Atsushi
Kindaichi, Ken
Kikuchi, Yasuhito
Director, Storyboard


Opening Theme

Apple Music
Amazon Music
Youtube Music
"STRAIGHT JET" by Minami Kuribayashi

Ending Theme

1: "SUPER∞STREAM" by Yoko Hikasa (eps 1)
2: "SUPER∞STREAM" by Yoko Hikasa and Yukana (eps 2-3)
3: "SUPER∞STREAM" by Yoko Hikasa, Yukana, and Asami Shimoda (eps 4-5)
4: "SUPER∞STREAM" by Yoko Hikasa, Yukana, Asami Shimoda, and Kana Hanazawa (eps 6-7)
5: "SUPER∞STREAM" by Yoko Hikasa, Yukana, Asami Shimoda, Kana Hanazawa, and Marina Inoue (eps 8-12)


Apr 21, 2012
Here's the deal: I have a dream animé. It's a show that's primarily mecha, with the robots piloted by humans and function like body armors rather than bigass robots that tower over the skyline (Zero--and pretty much all the other Maverick Hunters--from the Megaman X franchise inspired this). I wanted a little romance on the side, and awesome fights here and there, with possibly a few moments of comic relief. Character designs should be clean and crisp, with detail in the eyes and the mecha suits. Fanservice is not desired, but allowable to an extent. A male or a female lead would be fine, so ...
Apr 1, 2011
Mixed Feelings
One of the problems with the anime industry is the tendency to overuse stereotypes and themes, and many of the studios in Japan continue to operate under the idea that the shows they create will generate a profit in some manner (regardless of the content), through DVD sales or merchandise. The sad fact is that many producers barely break even from one season to the next, which then prompts arguments of piracy, licensing, pricing, distribution costs, etc, all of which seems more than a little strange as while it may appear that the studios have some perfectly valid arguments, they've neglected to talk about one ...
Jun 23, 2014
PLEASE READ: This is a review of both IS seasons. Scroll to the very bottom of this review to see IS S2 review (it's legit I promise!!)

There is absolutely nothing wrong with over-used generic stories. Nothing, really! Except when they're like IS. The anime that failed from the start. Though I can't say I'm surprised, with predictable story, characters, there's nothing to keep me guessing or wondering what's going to happen next.

I can sum up the story with a couple of common words:
High school


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Recent Forum Discussion

Poll: IS: Infinite Stratos Episode 11 Discussion ( 1 2 3 4 )
Yumekichi11 - Mar 24, 2011
164 repliesby Kusanagi_Shouta »»
Dec 28, 2023 9:55 AM
Ichika’s Denseness
FiddlePie - Aug 28, 2023
17 repliesby that_kool_kid »»
Nov 11, 2023 11:23 PM
Poll: IS: Infinite Stratos Episode 2 Discussion ( 1 2 3 4 )
tsubasalover - Jan 13, 2011
193 repliesby Flaviomoe199 »»
Oct 10, 2023 5:53 PM
Poll: IS: Infinite Stratos Episode 12 Discussion ( 1 2 3 4 5 ... Last Page )
avrc - Mar 31, 2011
292 repliesby Nerleos »»
Apr 17, 2023 4:12 AM
Poll: IS: Infinite Stratos Episode 1 Discussion ( 1 2 3 4 5 ... Last Page )
tsubasalover - Jan 6, 2011
270 repliesby Tenshig2005 »»
Apr 7, 2023 3:59 PM

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