7. Planetes (2003)
- Genre: Hard Science Fiction, Drama, Seinen.
- Why watch it: Set in a future where space travel is common, it focuses on a team of space “garbage collectors.” The series is acclaimed for its technical accuracy, realism, and its deep exploration of existential themes, marriage, ambition, and humanity’s place in space.

The 2000s decade proved that anime could be philosophical, experimental, and socially relevant, even while the major action franchises dominated the popularity charts. If you’ve already seen the obvious hits, exploring these titles is delving into the true richness of that era.
Toradora is missing from this list
I haven’t seen Toradora yet, I guess I’ll have to watch the anime
Oh Code Geass was my favorite mecha anime after Gundam, until I saw Aldnoah Zero and Valvrave Liberator