Space Brothers (2012): cast, story & where to watch
2012 · Series · ★ 8.2
Released in 2012, Space Brothers is an animation, drama and sci-fi & fantasy series.
What it’s about. When they were young, the brothers Mutta and Hibito promised each other they would become astronauts. Now, in 2025, Hibito has followed his dream to become the first Japanese on the moon, but Mutta has just been fired from his job. His brother reminds him of their childhood promise, and Mutta decides once again to aim for space.
Who’s in it. Space Brothers stars Hiroaki Hirata as Mutta Nanba (voice), KENN as Hibito Nanba (voice), Masayuki Katou as Kenji Makabe (voice) and Miyuki Sawashiro as Serika Itou / Mutta Nanba as a Boy (voice), among others.
How it landed. With an audience score of 8.2/10, Space Brothers sits among the best-reviewed titles in the catalogue.
Where to watch. In US you can stream it on Crunchyroll and Crunchyroll Amazon Channel. See the full, country-by-country breakdown on our where to watch Space Brothers page.
If you liked it. Fans of Space Brothers tend to enjoy Rick and Morty, Demon Slayer: Kimetsu no Yaiba, Attack on Titan and Attack on Titan: No Regrets.
Frequently asked
- Where can I watch Space Brothers (2012)?
- In US, Space Brothers is available to stream on Crunchyroll and Crunchyroll Amazon Channel. Availability varies by country — check our where-to-watch page for every region.
- Is Space Brothers worth watching?
- Space Brothers holds an audience score of 8.2 out of 10, and is a strong pick if you enjoy animation, drama and sci-fi & fantasy. Most viewers rate it highly.
- Who stars in Space Brothers?
- Space Brothers stars Hiroaki Hirata, KENN, Masayuki Katou, Miyuki Sawashiro and Masako Ikeda.
- When was Space Brothers released?
- Space Brothers was released in 2012.