Space Brothers

• Name — Space Brothers • Ja Kanji — 宇宙兄弟 • Ja Romaji — Uchū Kyōdai • Genre — * Drama • Science fiction • Slice of life

• Type — manga • Author — Chūya Koyama • Publisher — Kodansha • Magazine — Morning • Imprint — Morning KC • First — December 6, 2007 • Last — June 11, 2026 • Volumes — 46 • Volume List — List of Space Brothers chapters

• Type — tv series • Director — Ayumu Watanabe • Writer — * Makoto Uezu (1–20) • Yoichi Kato (21–99) • Music — Toshiyuki Watanabe • Studio — A-1 Pictures • Network — NNS (ytv, NTV) • First — April 1, 2012 • Last — March 22, 2014 • Episodes — 99 • Episode List — List of Space Brothers episodes

• Type — live film • Director — Yoshitaka Mori • Producer — Kenzo Abe • Writer — Mika Ohmori • Music — Takayuki Hattori • Studio — Toho • Released — 2012 05 05 • Runtime — 129 minutes

• Type — film • Title — Space Brothers #0 • Director — Ayumu Watanabe • Writer — Chūya Koyama • Music — Toshiyuki Watanabe • Studio — A-1 Pictures • Released — August 9, 2014 • Runtime — 90 minutes

• Portal — yes Space Brothers is a Japanese manga series written and illustrated by Chūya Koyama. It was serialized in Kodansha's seinen manga magazine Morning from December 2007 to June 2026, with its chapters collected in 46 tankōbon volumes. A 99-episode anime television series adaptation by A-1 Pictures aired from April 2012 to March 2014. The manga was also adapted into a live-action film that premiered in May 2012. An anime film, Space Brothers #0, premiered in August 2014. By June 2026, the manga had over 35 million copies in circulation. In 2011, Space Brothers won the general category at both the 56th Shogakukan Manga Award and the 35th Kodansha Manga Award.

In the summer of 2006, Mutta Nanba and his younger brother, Hibito, witness what they believe to be a UFO, which flies off towards the Moon. Hibito decides he will go onto the Moon whilst Mutta decides he will aim for Mars. Nineteen years later, in the year 2025, Hibito has become a fully fledged JAXA astronaut assigned to go on a mission towards the moon. Mutta, on the other hand, has not been so successful in achieving his dreams. As Mutta eventually recalls his past ambitions, he receives a letter stating he has been accepted to join a JAXA training program for new astronauts. The series follows Mutta as he seeks to become an astronaut and achieve his longtime dream just like his brother did.

Space Brothers, written and illustrated by Chūya Koyama, was serialized in Kodansha's seinen manga magazine Morning from December 6, 2007, to June 11, 2026. Kodansha collected its chapters in 46 tankōbon volumes, released from March 21, 2008, to July 22, 2026. The manga is available in digital form in North America and Europe from ComiXology and Amazon in both volume and SimulPub chapter format. It was previously also available in English as part of a read-only subscription from Crunchyroll and Kodansha USA.

A 99-episode anime television series adaptation by A-1 Pictures aired on Yomiuri TV from April 1, 2012, to March 22, 2014. It was simulcast by Crunchyroll. The series is licensed by Sentai Filmworks in North America. The 31st episode, which aired on November 4, 2012, features the first piece of voice acting to be recorded in space, performed by astronaut Akihiko Hoshide aboard the International Space Station. A special episode titled "Planetarium: Space Brothers: One Point of Light" was screened in planetariums during Summer 2012 and was released on DVD with the 20th manga volume on February 22, 2013. In January 2024, Chūya Koyama stated that the anime is planned to continue after the manga ends.

• Opening themes • "Feel So Moon" by Unicorn (episodes 1–13) • "Eureka" by Sukima Switch (episodes 14–26) • "Dream-like World" by Does (episodes 27–38) • "Small World" by Fujifabric (episodes 39–51) • "Non-Disappearing Drawing" by Magokoro Brothers (episodes 52–64) • "Crater" by Merengue (episodes 65–75) • "HALO" by tacica (episodes 76–87) • "B.B." by THE Yatou (episodes 88–99) • Ending themes • "This Wonderful World" by Rake (episodes 1–13) • "Confession" by Angela Aki (episodes 14–26) • "Hands" by Akihisa Kondō (episodes 27–38) • "Goodbye Issac" by Motohiro Hata (episodes 39–51) • "Beyond" by Miho Fukuhara (episodes 52–64) • "Sun in the Night Sky" by Flower Companyz (episodes 65–75) • "New World" by Kasarinchu (episodes 76–87) • "Anata ga Ireba OK!" by Serena (episodes 88–99)

A live-action film adaptation of Space Brothers was produced by Toho and released in Japanese theatres on May 5, 2012, later being screened at the Japanese Film Festival in Australia later that year. The adaptation was written by Chuya Koyama and directed by Yoshitaka Mori, with Shun Oguri and Masaki Okada playing the roles of Mutta and Hibito respectively. Real life astronaut Buzz Aldrin plays a cameo in the film as himself. The theme song for the film is British alternative rock band Coldplay's "Every Teardrop Is a Waterfall" from their album Mylo Xyloto. The film won the "Best of Puchon" and "NH Nonghyup Citizen's Choice" awards at the 16th Puchon International Fantastic Film Festival.

A prequel anime film titled Space Brothers #0 (Uchū Kyōdai #0 in Japanese) was released in Japanese theaters on August 9, 2014. Manga creator Chūya Koyama wrote the script for the film.