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★ 8.2 2 Seasons AnimationDramaSci-Fi & Fantasy

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What is Space Brothers 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.

Latest episode

S2 · Episode 48 — Life Changes, Promises Don't · 2014-03-22

Hibito's disappearance is distracting Mutta during training and he makes a critical mistake. What will Hibito do next, and will Mutta be able to get his act together before the actual launch?

Genres: Animation, Drama, Sci-Fi & Fantasy
First aired: 2012-03-31
Rating: ★ 8.2 / 10

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)

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