Space Brothers
A warm, earnest 99-episode journey about two brothers pursuing a shared childhood dream, balancing setback and encouragement across a sustained narrative of personal growth.
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.
Clusters
Questions people ask
Does Space Brothers leave you hopeful? Yes, very. More hopeful than 97% of series.
Is Space Brothers easy watching? Yes. More comforting than 86% of series.
Is Space Brothers violent? Barely. Less violent than 78% of series.
Is Space Brothers scary? Barely. Less frightening than 76% of series.
Is Space Brothers sad? About average. Almost exactly mid-range.
These describe how the series comes across across its whole run, compared with other well-known series. They are not a content list — nothing here was counted or checked episode by episode, so for age-suitability or specific content use a classification board or a dedicated content-warning service.
Cinnamon Score
How much this series gives you that nothing else will, and whether it delivers.
You have seen this shape before.
How unlike any other series this one feels
How much more it delivers than it promises
How much audiences actually like it
Ensemble
Like Space Brothers
Nearest across the full emotional profile.
Same Mood as Space Brothers
Nearest on what's most distinctive about this one.
Like Space Brothers, But Darker
Similar, pushed toward heavier and more intense.
Like Space Brothers, But Lighter
Similar, pushed toward warmer and easier.
Like Space Brothers, But Less Popular
Same territory, far fewer people have seen it.
