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

Why Watch
"The definitive blueprint for the 'slow life' isekai subgenre."
Tone: Nostalgic, Analytical, and Soothing
Where to Watch
JustWatch Streaming details by: JustWatch
AI Critic Analysis
Series Deep Dive:

Premiering on AT-X in 2021, I've Been Killing Slimes for 300 Years and Maxed Out My Level solidified the rise of the "slow life" isekai subgenre. By subverting the aggressive power fantasies typical of the era, the series offered a soothing alternative focused on domesticity and found family. Azusa Aizawa’s journey from a burnt-out corporate employee to an immortal witch resonated with an audience seeking escapism from real-world grind culture. The show’s legacy lies in its gentle pacing and its rejection of world-ending stakes in favor of daily tranquility. It remains a definitive example of the "iyashikei" movement within fantasy anime, proving that a protagonist's greatest achievement isn't defeating a demon king, but rather maintaining a peaceful home surrounded by loved ones.

Analysis Refined: March 2026
Scheduled next refinement: 456 days
Season: 2
Watched? # Air Date Episode Name
E1 Apr 05, 2025 神様が来た
E2 Apr 12, 2025 アンデッドを捜索した
E3 Apr 19, 2025 ベルゼブブの家に行った
E4 Apr 26, 2025 マンドラゴラを探すことになった
E5 May 03, 2025 ユフフママの娘になった
E6 May 10, 2025 ライカが武術大会に出た
E7 May 17, 2025 松の精霊に会った
E8 May 24, 2025 海水浴に行った
E9 May 31, 2025 悪霊の陛下と会った
E10 Jun 07, 2025 魔王のお誕生会に行った
E11 Jun 14, 2025 伝統ある神様と戦った
E12 Jun 21, 2025 今年も喫茶店を開いた
Mark Season 2:
Watched / Unwatched
Mark Series:
Watched / Unwatched
The Industry Oracle - Prestige Tentpole

Oracle Status: Hiatus/Status Unknown

The tranquil highlands of this beloved cozy fantasy are currently experiencing a profound period of radio silence. Following the broadcast of the second season, the production committee has retreated, leaving the franchise's future in a state of indefinite hiatus. Studio Teddy navigated the transition from Revoroot well, but physical disc sales and streaming metrics are still being tabulated by distributors. Until these financial benchmarks are rigorously analyzed, no green light for a third installment is expected.

Behind closed doors, publisher SB Creative is evaluating the remaining light novel inventory to see if enough source material exists for another adaptation. The voice recording booths remain empty, and key animators have dispersed to other seasonal projects. We will monitor official channels for shifts in momentum, but for now, her journey is paused.

Oracle Prediction: A lengthy wait is ahead while producers analyze metrics to justify a third season.

Oracle Insights Refined:: March 2026
Scheduled next refinement: 115 days
Trailer
Technical Details
Network: AT-X
Seasons: 2
Years: 2021 - 2025
Genre: Animation, Anime, Comedy, Fantasy
Rating: TV-14
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Frequently Asked Questions

As of July 2026, the series has not been officially renewed for a third season. The second season concluded its broadcast in June 2025, and fans are currently awaiting further announcements from the producers.

Since a third season has not been greenlit, the anime is not in any active production stage such as pre-production or animation. Studio Teddy has not confirmed any ongoing work for the television series.

The four-year wait between seasons was primarily due to a complete change in the animation production team. The series shifted from Studio Revoroot to Studio Teddy, which required bringing on a new director and character designer.

While no spin-off anime is currently in development, the franchise already features canonical spin-off light novels. These include A Devil's Work Is Never Done focusing on Beelzebub and Red Dragon Women's Academy centered on Laika.

There is ample source material available for multiple future seasons. The original light novel series concluded with its 30th volume in June 2026, leaving dozens of volumes completely unadapted by the anime.
FAQ Refined:: March 2026
Scheduled next refinement: 99 days