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Seasons of 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 currently has 2 seasons and 24 episodes. Most episodes run for around 24 minutes, which makes the show easy to binge in short bursts. The series is currently marked as "Ended". The most recently aired episode came out in 2025.

I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 1 • TV Show

Season 1

I've Been Killing Slimes for 300 Years and Maxed Out My Level Season 2 • TV Show

Season 2

Are there new episodes of I've Been Killing Slimes for 300 Years and Maxed Out My Level coming?

I've Been Killing Slimes for 300 Years and Maxed Out My Level is marked as an ended series, with its final episode airing on June 21, 2025. At this time there are no new seasons or episodes announced, so the release radar for this show is effectively closed unless a revival or spin-off is announced. When the next release does arrive, it is expected to carry the same content rating of TV-14 (US), which can influence when it airs on different providers and platforms.

Watch the official trailers for I've Been Killing Slimes for 300 Years and Maxed Out My Level

Watch the main official trailer for I've Been Killing Slimes for 300 Years and Maxed Out My Level in one place. Most of these clips were released around February 2021, capturing the show at its peak marketing push. Use the carousel to sample the show's visual style, story hooks and production quality before you dive into full episodes.

Uploaded in February 2021

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Where to watch I've Been Killing Slimes for 300 Years and Maxed Out My Level for free?

I've Been Killing Slimes for 300 Years and Maxed Out My Level is available to stream on SuperFilmz. The series is primarily produced for audiences in Japan, so availability can vary by region. However, you can watch full episodes of I've Been Killing Slimes for 300 Years and Maxed Out My Level for free on SuperFilmz, with ads.

What is I've Been Killing Slimes for 300 Years and Maxed Out My Level about?

After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points. Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?! It blends animation, comedy and sci-fi & fantasy elements. The series reflects a distinct Japan style and perspective.

Is I've Been Killing Slimes for 300 Years and Maxed Out My Level worth watching?

I've Been Killing Slimes for 300 Years and Maxed Out My Level holds an average rating of 7.8/10 based on 242 or more viewer votes. If you enjoy animation, comedy and sci-fi & fantasy stories, this series is a strong candidate for your watchlist.

Release pattern and schedule for 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 has been releasing episodes between April 2021 and June 2025 across 2 seasons. So far there are 24 released episodes, giving you plenty of story to catch up on before the next drop. Historically there have been longer waits of around 51 months between seasons, which can explain why some fans search early for hints about the next release.

Cast and creators of I've Been Killing Slimes for 300 Years and Maxed Out My Level

The main cast includes Aoi Yuuki, Kaede Hondo and Sayaka Senbongi. Behind the scenes, it is directed by Kunihisa Sugishima.

Aoi Yuuki

as Azusa (voice)

Kaede Hondo

as Laika (voice)

Sayaka Senbongi

as Falfa (voice)

Minami Tanaka

as Shalsha (voice)

Sayaka Harada

as Halkara (voice)

Manami Numakura

as Beelzebub (voice)

Riho Sugiyama

as Rosary (voice)

Azumi Waki

as Fratorte (voice)

Yukari Tamura

as Pecora (voice)

I've Been Killing Slimes for 300 Years and Maxed Out My Level Keywords(12)

Last Updated

This page was last updated on Sep 1, 2026, 9:50 PM