Uchuu Kyoudai

Space Brothers

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Alternative Titles

Synonyms: Uchuu Kyodai
Japanese: 宇宙兄弟
English: Space Brothers
German: Space Brothers
Spanish: Uchuu Kyoudai: Space Brothers
French: Space Brothers
More titles


Type: TV
Episodes: 99
Status: Finished Airing
Aired: Apr 1, 2012 to Mar 22, 2014
Premiered: Spring 2012
Broadcast: Sundays at 07:00 (JST)
Licensors: Sentai Filmworks
Studios: A-1 Pictures
Source: Manga
Genres: ComedyComedy, Sci-FiSci-Fi, Slice of LifeSlice of Life
Themes: Adult CastAdult Cast, SpaceSpace, WorkplaceWorkplace
Demographic: SeinenSeinen
Duration: 24 min. per ep.
Rating: PG-13 - Teens 13 or older


Score: 8.511 (scored by 4868648,686 users)
1 indicates a weighted score.
Ranked: #1162
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1100
Members: 174,995
Favorites: 3,660

External Links

Streaming Platforms

Ranked #116Popularity #1100Members 174,995
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Episodes: /99
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On a fateful summer night in 2006, Mutta Nanba and his younger brother Hibito witness what they believe to be a UFO flying toward the Moon. This impressing and unusual phenomenon leads both siblings vowing to become astronauts, with Hibito aiming for the Moon and Mutta, convinced that the eldest brother has to be one step ahead, for Mars.

Now an adult, life hasn't turned out how Mutta had pictured it: he is diligently working in an automotive company, whereas Hibito is on his way to be the very first Japanese man to step on the Moon. However, after losing his job, Mutta is presented with an unexpected opportunity to catch up to his younger brother when the Japanese Aerospace Exploration Agency, commonly known as JAXA, accepts his application to participate in the next astronaut selection. Despite self-doubts about his prospects, Mutta is unwilling to waste this chance of a lifetime, and thus embarks on an ambitious journey to fulfill the promise made 19 years ago.

[Written by MAL Rewrite]


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Episode Videos

Related Anime

Characters & Voice Actors


Ishii, Toshimasa
Episode Director, Storyboard
Ezaki, Shinpei
Episode Director, Storyboard


Opening Theme

Apple Music
Amazon Music
Youtube Music
1: "Feel So Moon" by Unicorn  (eps 1-13)
2: "Eureka (ユリーカ)" by Sukima Switch (eps 14-26)
3: "Yume Miru Sekai (夢見る世界)" by DOES  (eps 27-38)
4: "Small World" by Fujifabric (eps 39-51)
5: "Kienai E (消えない絵)" by Magokoro Brothers (eps 52-64)
6: "Crater (クレーター)" by Merengue  (eps 65-75)
7: "HALO" by tacica  (eps 76-87)
8: "B.B" by THE Yatou (eps 88-99)

Ending Theme

1: "Subarashiki Sekai (素晴らしき世界)" by Rake  (eps 1-13)
2: "Kokuhaku (告白)" by Angela Aki  (eps 14-26)
3: "Tete (テテ)" by Akihisa Kondou (eps 27-38)
4: "Goodbye Isaac (グッバイ・アイザック)" by Motohiro Hata (eps 39-51)
5: "BEYOND" by Miho Fukuhara (eps 52-64)
6: "Yozora no Taiyou (夜空の太陽)" by Flower Companyz (eps 65-75)
7: "New World" by Kasarinchu  (eps 76-87)
8: "Anata ga Ireba OK!" by Serena  (eps 88-99)

Feb 10, 2014
xspookydarknessx (All reviews)
At first glance Space Brothers seems to be an anime about two brothers that just go space and do astronaut things, but oh ho, dear reader, it is so much more than that. It is a realistic journey delving into one of the most difficult professions ever conceived by man. Now that the series has concluded [for the time being], a proper review is in order. But first, we better shake hands.

Space Brothers cleverly depicts the pursuits of Mutta and Hibito, converging their storylines at some times and following them separately at others. This structure is beneficial to the flow and progression, and earns read more
Jun 25, 2013
Kynov (All reviews)
"An older brother must step ahead against his younger brother" - Nanba Mutta.

Lately, i haven't found any good anime to watch.. then i meet Uchuu Kyoudai/Space Brother, at the first i was like oh just an average anime which have sci-fi and bla bla bla. since i didnt have any anime to watch, i thought i could try it for just one episode. and then seems like i had learned my lesson.

"Dont ever judge anime by its cover, genre, or anything else before you watched it" - Me, after watching this.


The story was simple, its about Nanba Mutta as the older brother who had promised read more
Jun 28, 2014
kaeeeeee (All reviews)
This show is a hidden gem. Having always avoided shows with lengthy and seemingly boring settings, I found some extra time on my hands during the summer break. So I decided to use it and pick up the first few episodes of Space Brothers without expecting much. I was immediately proven wrong, thinking again and again that you should truly “never judge a book by its cover”. (I try not to but it still happens. I can’t help it when there are too many choices ¯\_(ツ)_/¯)

My first thought after reading the synopsis was why the hell are 99 episodes dedicated to these random siblings trying read more
May 11, 2015
triangulor (All reviews)
Space brothers is about two brothers' journey to space. Its a feel good comedy about reigniting your passions in life and chasing dreams you thought were impossible.

Namba Hibito is cool, carefree and about to become the first Japanese person on the moon while his older brother Mutta is down on his luck, having been fired from his job designing automobiles. He gave up on his dreams years ago but a little nudge from his little brother starts him on the journey to realise his childhood dream of joining his brother in space.

So first off this is not a show about adventures in space. There is read more

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