Watch That Time I Got Reincarnated as a Slime Season 4 Episode 9: "Investigating the Ruins" Online — Air Date & Full Guide

Name: Investigating the Ruins
Released: 2026-06-12

📅 2026-06-12 🎬 Episode 9 🏢 8bit 🔞 PG-13 - Teens 13 or older ⭐ 8.12/10

That Time I Got Reincarnated as a Slime Season 4 Episode 9 — Overview & Air Date

The latest chapter of That Time I Got Reincarnated as a Slime Season 4 — "Investigating the Ruins" — lands on 2026-06-12, setting the stage for what promises to be a pivotal installment. The episode airs at Fridays at 23:00 (JST), with simulcast platforms typically releasing it within hours of the Japanese broadcast. Whether you are a longtime follower of the series or discovering That Time I Got Reincarnated as a Slime Season 4 for the first time, this guide covers everything you need — from the air date and streaming options to character spotlights and a full series overview.

With each passing week, That Time I Got Reincarnated as a Slime Season 4 continues to raise the bar for its genre. Episode 9 is no exception — the title "Investigating the Ruins" hints at revelations that could reshape the narrative.

About That Time I Got Reincarnated as a Slime Season 4

Demon Lord Rimuru's dream of creating an alliance between humans and monsters takes a step closer to being realized. As Tempest continues to prosper, Granville Rozzo and his granddaughter, Maribel Rozzo, clash with Demon Lord Rimuru over their plan to protect mankind by ruling over them. Meanwhile, in El Dorado, Demon Lord Leon works toward goals of his own. The awakening of a new Hero draws near! (Source: Crunchyroll)

With a MAL score of 8.12/10 and ranked #563 on MyAnimeList, placing it among the top 1368 most-watched anime, That Time I Got Reincarnated as a Slime Season 4 has firmly established itself as a cornerstone of modern Action anime. The series runs as an ongoing series, adapted from the original Manga, with each episode running approximately 24 min. It covers genres including Action, Comedy, Fantasy, Isekai, Reincarnation, making it a standout title in the current anime landscape.

Key Characters in That Time I Got Reincarnated as a Slime Season 4 Episode 9

Episode 9 features characters whose journeys have defined That Time I Got Reincarnated as a Slime Season 4 since its earliest episodes:

Tempest, Rimuru (CV: Okasaki, Miho) — A driving force behind the events of Episode 9, their choices ripple through every scene in That Time I Got Reincarnated as a Slime Season 4.
Adalman — A supporting presence in That Time I Got Reincarnated as a Slime Season 4 whose involvement in Episode 9 shapes the story in subtle but meaningful ways.
Aegil — Though not always at the forefront, this character's perspective adds crucial layers to That Time I Got Reincarnated as a Slime Season 4's world-building.
Attley, Glenda — Their scenes in Episode 9 of That Time I Got Reincarnated as a Slime Season 4 provide both levity and deeper insight into the main cast.

Where to Watch That Time I Got Reincarnated as a Slime Season 4 Episode 9 Online

Streaming availability for That Time I Got Reincarnated as a Slime Season 4 Episode 9 varies by region. Simulcast rights are held by different platforms in different countries — check the official MyAnimeList page for That Time I Got Reincarnated as a Slime Season 4 for confirmed, up-to-date streaming links in your region.

Common services that carry current-season anime simulcasts include Crunchyroll, HIDIVE, and Netflix — but availability is title-specific and subject to change. Always verify on the platform before subscribing. You can also track the episode schedule for That Time I Got Reincarnated as a Slime Season 4 and every other airing series on AniVerse's Anime Release Calendar.

Broadcast Schedule for That Time I Got Reincarnated as a Slime Season 4 Episode 9

That Time I Got Reincarnated as a Slime Season 4 Episode 9 is scheduled to air on 2026-06-12. The regular broadcast window is Fridays at 23:00 (JST) — simulcast platforms typically follow within minutes to a few hours of the initial Japanese airing.

Staying current with That Time I Got Reincarnated as a Slime Season 4 is easy with AniVerse. Our Anime Release Calendar is updated every day with the latest air dates, platform availability, and broadcast schedules for all currently airing series. You can also explore our full That Time I Got Reincarnated as a Slime Season 4 series guide for character profiles, episode recaps, and community reactions.

Frequently Asked Questions — That Time I Got Reincarnated as a Slime Season 4 Episode 9

When does That Time I Got Reincarnated as a Slime Season 4 Episode 9 air?: That Time I Got Reincarnated as a Slime Season 4 Episode 9 airs on 2026-06-12. The scheduled broadcast time is Fridays at 23:00 (JST).
Where can I watch That Time I Got Reincarnated as a Slime Season 4 Episode 9 online?: Streaming availability varies by region. Check the MyAnimeList page for That Time I Got Reincarnated as a Slime Season 4 for confirmed streaming services in your area. AniVerse's Anime Calendar also lists air dates and platform links as they are confirmed.
What happens in That Time I Got Reincarnated as a Slime Season 4 Episode 9?: The episode, titled "Investigating the Ruins," picks up the story where the previous entry left off. The title "Investigating the Ruins" suggests the episode will explore significant story developments. Full details become available after the episode airs on 2026-06-12.
How many episodes does That Time I Got Reincarnated as a Slime Season 4 have?: That Time I Got Reincarnated as a Slime Season 4 is currently ongoing. Episode 9 (airing 2026-06-12) is the latest in the series. Each episode runs approximately 24 min and advances the overarching story.
Who produces That Time I Got Reincarnated as a Slime Season 4?: That Time I Got Reincarnated as a Slime Season 4 is produced by 8bit, based on the original Manga. The series covers genres including Action, Comedy, Fantasy, Isekai, Reincarnation and carries a PG-13 - Teens 13 or older content rating. With a MAL score of 8.12/10 and ranked #563 on MyAnimeList.

More That Time I Got Reincarnated as a Slime Season 4 on AniVerse

AniVerse is your complete destination for That Time I Got Reincarnated as a Slime Season 4 content. Explore the full series overview, browse our community discussions to share your episode reactions, and follow the AniVerse anime blog for news, reviews, and analysis covering That Time I Got Reincarnated as a Slime Season 4 and every other major title airing this season. You can also view the full entry on MyAnimeList for ratings, reviews, and streaming links.

That Time I Got Reincarnated as a Slime Season 4: Episode 9 "Investigating the Ruins"