S01 · E01
2,750 watching now
Overview
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.
Cast
Hiroaki Hirata
Mutta Nanba (voice)
KENN
Hibito Nanba (voice)
Masayuki Katou
Kenji Makabe (voice)
Miyuki Sawashiro
Serika Itou / Mutta Nanba as a Boy (voice)
Masako Ikeda
Sharon Kaneko (voice)
Yuko Sanpei
Hibito Nanba as a Boy (voice)
Where to Watch Space Brothers Online
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Frequently Asked Questions
Where can I watch Space Brothers?
You can watch Space Brothers free in HD on StreamVaults — no sign-up or account required.
Is Space Brothers available to watch online?
Yes, you can stream Space Brothers free on StreamVaults in HD — no sign-up required.
When did Space Brothers first air?
Space Brothers first aired in 2012.
What genre is Space Brothers?
Space Brothers is a Animation, Drama, Sci-Fi & Fantasy series.
How many seasons does Space Brothers have?
Space Brothers has 2 seasons and 99 episodes in total.
What is Space Brothers rated?
Space Brothers has a TMDB rating of 8.1/10 based on 24 reviews.
What is the status of Space Brothers?
Space Brothers has ended.
