I've Been Killing Slimes for 300 Years and Maxed Out My Level watch order
Updated October 2026 · 2 seasons · in release order
Short answer
Watch I've Been Killing Slimes for 300 Years and Maxed Out My Level in release order: I've Been Killing Slimes for 300 Years and Maxed Out My Level → I've Been Killing Slimes For 300 Years And Maxed Out My Level Season 2.
2
in the main story: 2 seasons
24
episodes
~9.5 h
to watch the main story
Release order
- 1
TV · Spring 2021 · 12 ep · ~5 hours · score 3.4/5
Watch onCrunchyroll iQIYI YouTube
- 2
TV · Spring 2025 · 12 ep · ~5 hours · score 3.4/5
Watch onBilibili Crunchyroll YouTube
How long is I've Been Killing Slimes for 300 Years and Maxed Out My Level?
| Part | Seasons and movies | Episodes | Watch time |
|---|---|---|---|
| Main story | 2 seasons | 24 | about 9.5 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 I've Been Killing Slimes for 300 Years and Maxed Out My Level
I've Been Killing Slimes for 300 Years and Maxed Out My Level is officially on Crunchyroll and YouTube (all 2) and Bilibili and iQIYI (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 I've Been Killing Slimes for 300 Years and Maxed Out My Level has the full list, free options included.
Is I've Been Killing Slimes for 300 Years and Maxed Out My Level finished?
As far as anything announced goes, yes: the last entry, I've Been Killing Slimes For 300 Years And Maxed Out My Level Season 2, came out in 2025. Nothing new is announced yet.
How many episodes does I've Been Killing Slimes for 300 Years and Maxed Out My Level have?
The main story is 24 episodes over 2 seasons, about 9.5 hours of viewing.
Where can I watch I've Been Killing Slimes for 300 Years and Maxed Out My Level?
Officially on Crunchyroll, YouTube, Bilibili, iQIYI. Availability depends on your region; each season and movie below lists its own services.
Related manga
Order and labels come from the relations in the AnimeHunt catalog (sequel, side story, summary, alternative version). Spot a mistake? Tell us.