Space Brothers
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.
On screen
Top 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)
Shô Ryûzanji
Tadashi Hoshika (voice)
Ryou Naitou
Yasushi Furuya (voice)
Shintaro Asanuma
Yamato Mizoguchi (voice)
Takanori Hoshino
Reiji Nitta (voice)
Episodes guide
Seasons
Specials
3 episodes · 2012
Season 1
51 episodes · 2012
Season 2
48 episodes · 2013
You may also enjoy
More Like This
Sonny Boy
2021
Gachiakuta
2025
Gurren Lagann
2007
Tengoku Daimakyo
2023
7SEEDS
2019
BBK/BRNK
2016
Tenchi Muyo!
1992
Tower of God
2020
HIGH CARD
2023
Made in Abyss
2017
My-Otome
2005
D.Gray-man
2006
Ready when you are