August 14, 2026 · 12 min read · Episode guide · Episode 9 · Kagex Blog

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That Time I Got Reincarnated as a Slime Episode 9 Review — Attack of the Ogres

Anime hub: That Time I Got Reincarnated as a Slime · Season 1

Contains spoilers for this episode.

That Time I Got Reincarnated as a Slime Season 1 Episode 9 Attack of the Ogres official promotional art
Official promotional art. © Fuse / Kodansha / Eight Bit / Tensura Production Committee

Kagex rating: 8.5 / 10

Episode: Season 1 · Episode 9 — “Attack of the Ogres”

Air date: November 27, 2018 · Runtime: ~24 minutes · Studio: 8bit

The village finally gets a Goblin King, Rimuru goes back to the cave to test a dead woman’s skills, and six ogres arrive looking for whoever burned their home. This is the hour the found-family cast of Tempest walks through the front gate looking like a revenge squad.

Previous: Season 1 Episode 8 — Inherited Will · Hub: That Time I Got Reincarnated as a Slime

Hook

The village finally gets a Goblin King, Rimuru goes back to the cave to test a dead woman’s skills, and six ogres arrive looking for whoever burned their home. This is the hour the found-family cast of Tempest walks through the front gate looking like a revenge squad.

This page is the sequential stop after Episode 8 — not a random recap dump. Scores below are for this 24 minutes only.

Quick Information

  • Anime: That Time I Got Reincarnated as a Slime
  • Season / Episode: Season 1, Episode 9 (overall #9)
  • English title: Attack of the Ogres
  • Japanese episode title: 大鬼族の襲撃
  • Runtime: ~24 minutes
  • Studio: 8bit
  • Original air date: November 27, 2018
  • Kagex score: 8.5 / 10
  • Where to watch legally: Crunchyroll (region-dependent)
That Time I Got Reincarnated as a Slime official banner Season 1 Episode 9
Official banner art. © Fuse / Kodansha / Eight Bit / Tensura Production Committee

Should You Watch It?

Watch this if you want the Benimaru crew’s first impression, because later loyalty hits harder if you see them as survivors first. Episode 9 is half town-sim, half “why are elite fighters at our gate.” Not a climax fight. It is the handshake before the orc war. Skip it and the next arc’s new names will feel like they spawned from a menu.

Beginner-friendly? No as a start point. Watch from Season 1 Episode 1. This installment assumes you already know Tempest’s core cast — Rimuru at minimum.

Bottom line: sequential viewers should not skip “Attack of the Ogres.” Fight-only watchers may feel the talkier stretches; nation-building fans will not.

Spoiler Warning

Spoilers for Season 1 Episode 9 (“Attack of the Ogres”) follow. Stop above for a clean first watch. This page does not spoil later episodes.

Story Recap

Rigurd gets a crown the job already earned

Town-building montage with actual stakes: dwarf housing, goblin labor, and the surrounding Goblin Lords deciding Rigurd should be Goblin King. That title is funny until you remember last month they were wolf-bait. Rimuru watches a government form while he is still grieving Shizu. The contrast is the joke and the thesis. Nations do not pause for funerals. They just add the funeral to the founding myth.

Kaijin’s crew keeps making the place look intentional. Gobta remains a slapstick weather report. The village is proud enough to be a target. Rimuru’s mayor brain is already thinking about what happens when the next guest is not a tired teacher. That thought arrives faster than he wants.

Goblin Lords agreeing on a king is tribal politics becoming a mailbox someone can burn.

Back to the sealed cave with a new kit

Rimuru returns to Veldora’s old cave to test skills inherited from Shizu — fire that used to belong to a woman who asked him to carry it. Training in the place he was born as a slime is a quiet character beat. Great Sage runs diagnostics. Rimuru throws new tools at stone. It would be a filler training episode if the show let it finish.

It does not. Ranga hits him with Thought Communication: the village is under attack. The cave that used to be the whole world is now a commute. Rimuru leaving it in a hurry is the visual of how far Season 1 has already moved. Home is no longer the dark. Home is a town that can be raided.

Six ogres at the gate

Rimuru returns to find his people facing six ogres — the last of a clan, not a wandering boss pack. They are wounded, furious, and organized. One of them tells Rimuru to reveal his true identity, which is a hell of a greeting for a slime who just learned to look human. This is not a random encounter table. Someone destroyed their village, and they followed the smell of power into Jura’s new anomaly.

The goblins are outclassed in a way the direwolf fight was not. These are warrior-caste survivors. Benimaru, Shion, Souei, and the rest of the six are introduced as a problem first. The show is smart to make you fear them for a minute before you love them.

A destroyed home, told in accusations

The ogres’ village was erased by an orc army traveling with a majin in plate and a clown mask. That description should ring against Gelmud’s stinger from last week even if Rimuru does not have the name yet. The survivors want a target. Rimuru’s town looks like a target. Misunderstanding is the engine. In a dumber show this becomes an all-day brawl. Here it becomes a tense interview with weapons drawn.

Rimuru’s true identity question is really “are you the monster who did this.” He is not. He is a different kind of monster who names people and builds chairs. That distinction is invisible to grief. The episode lets the ogres be right to be angry even while they are pointed at the wrong door.

Jura’s map starts to look like a war

Nobody signs a treaty this hour. The point is the question hanging over the forest: what is moving an orc army through Jura, and why are elite races getting deleted. Rimuru has a town, a dragon in his stomach, a dead teacher’s will, and now six apocalypse-grade refugees on the lawn. Great Sage can count auras. It cannot yet count the political size of an Orc Lord.

The last images are not a handshake. They are a standoff that has to become a conversation next week. If you came for cozy slime, the show just parked a revenge story in the living room and asked whether Rimuru’s kindness scales to people who only want blood.

No treaty this hour is the honest ending.

That Time I Got Reincarnated as a Slime key visual Season 1 Episode 9
Official key visual. © Fuse / Kodansha / Eight Bit / Tensura Production Committee

Story Analysis

Episode 9 is a hinge. The Shizu grief is still wet, and the show immediately introduces the cast that will carry the rest of the franchise’s found family. That is not tonal whiplash if you read it as Rimuru’s curse: every time he builds a home, the forest delivers people who just lost one. The ogres are a mirror of the goblins from Episode 2, except they can actually kill him if the talk fails.

Pacing splits between civic comedy and a siege vibe. Some viewers call the town stretch slow. It is load-bearing. You need to see Rigurd crowned so the ogres’ arrival feels like a threat to a government, not a camp. Mystery work is clean: clown-mask majin, orc army, missing ogre village. The Gelmud seed is paying rent. World-building shifts from “can goblins have houses” to “the forest is being eaten by a moving famine.”

Character-first isekai lives or dies on first impressions. Benimaru’s crew arriving as accusers is the right call. You meet their pride before their loyalty. Rimuru going to the cave to practice Shizu’s fire, then getting yanked home by Ranga, is a nice structural rhyme with Episode 1: the cave is no longer the destination. It is the gym.

First impressions of the ogre staff as accusers is the casting choice that makes later loyalty land. You meet pride before payroll. Rimuru’s cave-as-gym rhyme with Episode 1 is neat structure: the sealed dark is no longer home, it is the place he goes to practice a ghost.

Character Analysis

Rimuru is caught between mayor and survivor. He wants to test new skills in private and gets a diplomatic crisis instead. Ranga is the emergency line, which quietly defines him as more than a pet wolf. Rigurd becoming Goblin King is comic until the ogres arrive and you realize the goblins now have a head of state who can die.

The six ogres are the new spine: Benimaru as proud leader, Shion as violence with feelings, Souei as the quiet blade, plus Shuna, Hakurou, and Kurobe waiting to be named. You do not need their names yet. You need their grief. Gobta exists to keep the town feeling like itself while the power ceiling jumps. The clown-mask majin is still offscreen, which makes him more effective.

Shuna and Kurobe complete the six even before names, which matters: this is a clan-shaped government in waiting, not five random elites. Hakurou’s age reads even in a standoff. Gelmud remains more effective offscreen than a monologue would be. Gobta keeping the town’s joke temperature while the power ceiling jumps is supporting craft.

Rimuru caught between mayor and cave-student is the lead performance, and you meet ogre pride before payroll so later loyalty has somewhere honest to grow from.

That Time I Got Reincarnated as a Slime promo art Season 1 Episode 9
Promo art. © Fuse / Kodansha / Eight Bit / Tensura Production Committee

World Building

Goblin Lords elevating a Goblin King is tribal politics becoming a proto-nation. Ogres as a warrior race with a destroyed village tells you Jura has ethnic maps, not just monster spawns. An orc army moving with a masked majin is a military fact, not a rumor. Thought Communication as long-range 911 is a skill becoming infrastructure.

Rimuru testing Shizu’s inherited skills in the sealed cave ties personal magic to geography: the birthplace is now a training hall. The identity challenge at the gate is cultural. Powerful beings demand names and natures because anonymity is how disasters hide. The forest’s power vacuum after Veldora’s sealing is no longer theoretical. Something is filling it with teeth.

Ogres as a warrior race with geography means Jura has ethnic maps. Thought Communication as 911 is infrastructure. The Veldora vacuum is no longer theory: something is filling it with an army and a clown.

Anonymity is how disasters hide, so names get shouted like warrants at a gate that used to be a carpentry joke.

Nothing here is later-arc homework. If a name or rule is only teased, it stays a tease.

Animation

Town shots stay cozy and a little samey — 8bit’s weekly limitation — then the ogres arrive with real presence: height, weapons, ruined-clan energy. Rimuru’s cave training is simple effects work. The gate standoff is composed like a Western more than a shonen brawl, which fits an episode that is mostly threat, not payoff. Honest TV: the new character designs do the heavy lifting.

Ogre silhouettes do the heavy lifting: height, weapons, ruined-clan posture. Cave training is simple FX.

Town shots stay cozy and a little repeated, which is honest TV: new designs carry the hour, not extra frames of steel.

Kagex animation score for this episode: 8.2 / 10 — peaks vs average cuts, not a sakuga clip ranking.

Music and Voice Acting

Score 8.1. 8bit’s TV mix leans on Elements Garden sting + silence. Japanese track is the reference for Rimuru’s dual register (cute slime vs office-brain). Dub timing varies by season; don’t wait on it to judge the episode.

Hidden Details

  • Rigurd’s king title lands the same week the ogres arrive, so the goblins now have a head of state worth assassinating.
  • The clown-mask majin description is Gelmud’s calling card if you were paying attention last week.
  • Rimuru practicing Shizu’s fire in the cave is grief disguised as training.

Best Moments

  • Ranga’s Thought Communication yanking Rimuru out of the cave like a fire alarm.
  • Six ogres filling the gate that used to only worry about wolves.
  • The identity demand: reveal what you are, said by people who just lost everything.

Pros & Cons

Pros: Specific to “Attack of the Ogres” — A hinge episode that trades Shizu’s funeral for the ogre introduction, and it works because they arrive as survivors, not employees. Watch it so the next names mean something.

Cons: Requires earlier episodes. Viewers who only want climax fights may call the political / logistics scenes slow even when they are load-bearing.

Final Verdict

Kagex overall: 8.5 / 10 — A hinge episode that trades Shizu’s funeral for the ogre introduction, and it works because they arrive as survivors, not employees. Watch it so the next names mean something.

  • Story: 8.4
  • Characters: 8.8
  • Animation: 8.2
  • Music: 8.1
  • Enjoyment: 8.5

I like that Benimaru’s crew shows up ready to kill the protagonist. Makes the later found-family stuff feel earned instead of automatic. Also Rigurd getting crowned while Rimuru is in a cave practicing a dead woman’s magic is very Tensura: civic comedy and grief in the same commute.

What to Expect Next

Next episode is names, terms, and the first clear look at the army that has been eating the forest.

Next: Season 1 Episode 10 — The Orc Lord. Watch legally on Crunchyroll.

FAQ

Do I need to watch Season 1 Episode 9?

Yes if you are watching the TV series in order. Skipping “Attack of the Ogres” leaves a hole later episodes assume you have.

What is the Japanese title?

大鬼族の襲撃 — Crunchyroll English title is “Attack of the Ogres.”

When did it air?

November 27, 2018 in Japan. ~24 minutes. Studio 8bit.

Is this Season 1 filler?

No. Tensura’s “quiet” hours are usually nation, diplomacy, or setup — not recap filler.

Where does this sit in the overall count?

Overall TV episode 9 of the main series (S1–S3 are 72; Season 4 continues from 73).

Should I watch Slime Diaries first?

No. Diaries is optional comedy. This review is the main TV track.

Where are character guides?

Tensura charactersRimuru, Veldora, Milim, and the Tempest officers.

Where are facts / spoilers for the franchise?

Fact and Spoilers on the hub. This episode page stays inside Episode 9.

Keep exploring

Your turn

Was “Attack of the Ogres” a continue episode or a skip-risk for you? Favorite beat? Who should get the next character page?

Sources: Crunchyroll episode titles; Wikipedia list of Tensura episodes; official Tensura anime site.

Our reaction

Spoiler-aware take after the recap — how the episode felt to watch.

8.5/10

I like that Benimaru’s crew shows up ready to kill the protagonist. Makes the later found-family stuff feel earned instead of automatic. Also Rigurd getting crowned while Rimuru is in a cave practicing a dead woman’s magic is very Tensura: civic comedy and grief in the same commute.

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