After the Festival is the bill. Duke Muese tries to buy Tempest’s debt for the Five Elders. Rimuru pays in Elmesia’s gold, kicks the greedy merchants, sketches a train, and a month later the Council of the West writes a letter. Season 3 ends by mailing Season 4.
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Hook
After the Festival is the bill. Duke Muese tries to buy Tempest’s debt for the Five Elders. Rimuru pays in Elmesia’s gold, kicks the greedy merchants, sketches a train, and a month later the Council of the West writes a letter. Season 3 ends by mailing Season 4.
This page is the sequential stop after Episode 23 — 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 3, Episode 24 (overall #72)
- English title: After the Festival
- Japanese episode title: 祭の後
- Runtime: ~24 minutes
- Studio: 8bit
- Original air date: September 27, 2024
- Kagex score: 8.6 / 10
- Where to watch legally: Crunchyroll (region-dependent)
Should You Watch It?
Watch it. It is the season finale as a board meeting, and the letter is the hook. If you skip, Muese, the train, and the Council invite come out of nowhere in S4. Talky, satisfying, a little ominous. The right kind of ending for a founding arc.
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 “After the Festival.” Fight-only watchers may feel the talkier stretches; nation-building fans will not.
Spoiler Warning
Spoilers for Season 3 Episode 24 (“After the Festival”) follow. Stop above for a clean first watch. This page does not spoil later episodes.
Story Recap
The poisoned loan
Merchants surround Gard demanding dwarven money only. Duke Muese, Rosso-linked, offers to pay so Rimuru will owe the Five Elders. Rimuru walks in with Elmesia’s gold instead. Benimaru, Shion, and Diablo smell the duke. Reporters and Shuna watch him explain what Tempest is. When the merchants want another round of tribute, he refuses — they insulted the country and only wanted dwarf coins — and boots them. Muese’s plan dies in public. The festival’s last fight is a press conference.
Trains, tunnels, screens
Cabinet plus allies: they knew Muese’s game. Rimuru pitches a train. Momiji, hearing why he wanted the mountain tunnel, agrees. Gazel Dwargo asks about the tournament projection screens. Elmesia opens trade. Youm, Mjurran, Fuze, and Velyard sign onto the train idea. Infrastructure is the encore. The Tengu ordeal pays off as a railroad. The festival was never only fireworks.
Send paladins into the hole
Rimuru and Gard talk Yuuki and Hinata about the dungeon. Hinata will send holy knights to train in it, and the marketing will pull outsiders, because Veldora is bored of waiting. That is alliance as raid-group scheduler. It also puts Church bodies in Ramiris’s rules, which is funny and strategically smart.
The grudge files a memo
The Rossos learn Muese failed and keep planning to take the Central World and delete Tempest. Hinata tells Rimuru about Damrada and Laplace’s earlier Lubelius infiltration. Rimuru briefs his people on Yuuki, Clayman, the Moderate Harlequin Alliance, and Eastern merchants. Be ready. Guests leave or stay. A month later, a letter from the Council of the West arrives. The founding is recognized as a problem the human committee wants on the agenda.
Season 3’s last frame
No final boss corpse. A paid invoice, a train pitch, a bored dragon, and mail. That is an honest ending for a season about being accepted. Acceptance, in Tensura, always comes with a next meeting. Season 4’s title card is in the envelope.
Story Analysis
Finales that are ledgers can feel small after tournaments. This one feels like a country. Muese’s public failure is the Rosso plot taking damage without a sword. Comedy is Rimuru firing merchants. Emotion is Momiji saying yes to the tunnel. Ominous is the Council letter. Pacing is meeting, meeting, timeskip, mail.
World-building is debt as conquest, trains as the next map layer, tournament screens as tech Dwargon cares about, and the Council of the West as the human UN that will try to collar a Demon Lord. Hinata using the dungeon as a gym is the alliance made practical. Yuuki still in the briefing means the smile from the lobby never went away.
Character Analysis
Rimuru is CFO and visionary. Gard is the man who almost got leveraged. Muese is the smiling debt trap. Benimaru, Shion, Diablo — the muscle that reads a room. Shuna and reporters are the public record. Momiji is the tunnel vote. Gazel Dwargo and Elmesia are trade. Youm, Mjurran, Fuze, Velyard — the rail coalition. Hinata is the dungeon’s future customer. Yuuki is the named remaining problem. The Rossos are the credits sting. Veldora is still waiting for a player.
World Building
Dwarven coin preference can be a weaponized standard. Noble debt is how Elders eat nations. Magitrains are now a Tempest moonshot. Projection tech from the tournament is exportable. Holy knights training in a monster dungeon is coexistence with a leaderboard. The Council of the West can summon a Demon Lord by letter. Eastern merchants and clowns remain a stacked intelligence threat. A month of peace is a long time in this series and still only a buffer.
Nothing here is later-arc homework. If a name or rule is only teased, it stays a tease.
Animation
Press-conference tension, a gold flex, maps of trains. No big fight. Make Muese look expensive and Rimuru look done with fools. The letter at the end should feel heavier than paper. A talky finale. 8bit can sell it with faces and a quiet last shot.
Kagex animation score for this episode: 8.1 / 10 — peaks vs average cuts, not a sakuga clip ranking.
Music and Voice Acting
Score 8.3. 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
- Paying in Elmesia gold in front of reporters is a flex aimed at the Elders, not the merchants.
- Momiji’s yes is Episode 16’s sacred-mountain fight becoming infrastructure.
- The Council letter is Season 4 Episode 1’s homework, not a stinger for stinger’s sake.
Best Moments
- Rimuru walking in with the gold instead of the loan.
- Firing the merchants who wanted a second bite.
- The Council of the West envelope landing a month later.
Pros & Cons
Pros: Specific to “After the Festival” —
A board-meeting finale that actually closes the founding and opens the Council war. Watch it. The letter is the season’s last honest threat.
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: 8.6 / 10 —
A board-meeting finale that actually closes the founding and opens the Council war. Watch it. The letter is the season’s last honest threat.
- Story: 8.7
- Characters: 8.6
- Animation: 8.1
- Music: 8.3
- Enjoyment: 8.5
I like a finale that pays the bill. Muese getting stiffed in public is juicy. That Council letter is the correct kind of dread — no explosion, just an agenda.
What to Expect Next
Season 4 starts with new days, a dungeon that needs a patch, and the West already sharpening a committee.
Next: Season 4 Episode 1 — New Days. Watch legally on Crunchyroll.
FAQ
Do I need to watch Season 3 Episode 24?
Yes if you are watching the TV series in order. Skipping “After the Festival” leaves a hole later episodes assume you have.
What is the Japanese title?
祭の後 — Crunchyroll English title is “After the Festival.”
When did it air?
September 27, 2024 in Japan. ~24 minutes. Studio 8bit.
Is this Season 3 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 72 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 characters — Rimuru, 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 24.
Keep exploring
- Tensura anime hub
- Season 1 review
- Overall review
- Previous: Season 3 Episode 23 — The Labyrinth Is Opened
- Next: Season 4 Episode 1 — New Days
- Characters
- Fact and Spoilers
Your turn
Was “After the Festival” 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.
