Humanity Has Declined watch order
Updated October 2026 · 1 season and 1 OVA or special · in release order
Short answer
Watch Humanity Has Declined in release order: Humanity Has Declined.
1
in the main story: 1 season
12
episodes
~4.5 h
to watch the main story
Optional: 1 OVA or special (recaps, side stories and specials), marked below.
Release order
- 1
- 2
Humanity Has Declined SpecialsSide story · optional, after Humanity Has DeclinedSpecial · Summer 2012 · 6 ep · ~10 minutes · score 3.5/5
How long is Humanity Has Declined?
| Part | Seasons and movies | Episodes | Watch time |
|---|---|---|---|
| Main story | 1 season | 12 | about 4.5 hours |
| Everything released | 1 season and 1 OVA or special | 18 | about 5 hours |
Watch time uses each season's and movie's episode length, or a typical length where we don't have one.
Where to watch Humanity Has Declined
Humanity Has Declined is officially on HIDIVE (1 of 2), counting its 2 seasons, movies and specials.
Services and regions change; the release order above links each season to its official pages. Where to watch Humanity Has Declined has the full list, free options included.
Is Humanity Has Declined finished?
As far as anything announced goes, yes: the last entry, Humanity Has Declined, came out in 2012. Nothing new is announced yet.
Do I need to watch the Humanity Has Declined movies and OVAs?
Optional: Humanity Has Declined Specials.
How many episodes does Humanity Has Declined have?
The main story is 12 episodes over 1 season, about 4.5 hours of viewing. With every optional extra it is 18 episodes (about 5 hours).
Where can I watch Humanity Has Declined?
Officially on HIDIVE. Availability depends on your region; each season and movie below lists its own services.
Order and labels come from the relations in the AnimeHunt catalog (sequel, side story, summary, alternative version). Spot a mistake? Tell us.