That Time I Got Reincarnated as a Slime Season 4
Oshimeter
Synopsis
Once just an ordinary salaryman, Rimuru Tempest died, got reincarnated as a slime, and somehow talked, absorbed, and strategized his way into becoming a Demon Lord with his own nation. By season four of this TV series, he's not just fighting monsters; he's hosting diplomatic festivals and trying to keep a fragile peace between humans and monsters from falling apart. The Founder's Festival kicks things off as a celebration meant to solidify alliances, but behind the scenes, figures like Granbell Rosso see Rimuru's growing influence as something that needs to be crushed. So while Rimuru's out here planning banquets, there are people planning his downfall. The mix of nation-building politics with genuine combat stakes is what keeps this show interesting deep into its run. You've got Veldora being chaotic, Benimaru ready to throw down at a moment's notice, and Rimuru navigating everything with a calm that's almost unsettling for a blob. The vibe shifts between lighthearted slice-of-life stuff and real tension without feeling jarring; it earns both modes. If you liked how Overlord handles a powerful isekai protagonist managing a kingdom, or wanted Mushoku Tensei's world-building depth with a more comedic edge closer to Konosuba, this hits a sweet spot between all three. Four seasons in and the world just keeps expanding. Worth catching up if you haven't already.
Episode Guide
MANGA BRIDGE
This season covers Chapters 100-115 of the manga. Continue reading from Chapter 116.

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Tensura so good
Hmmmmmmm I think there were too many convenient things, honestly I don't like when they do those kind of things, but kind of have a reason, like we all know the potential of Rimuru thanks to that skill
I'm so happy that Chloe and Hinata are back 😭 but now i can't wait for what's to come 👀
cute so far, dont know if this twist really enriches much the reliationships that they have between Rimuru, but still its cute
the mask twist is cooking something big and the Chronoa scene with Shizue showing up out of nowhere has me reorganizing everything from season one
Granbell was never the villain and this episode made sure you knew it. a hero who watched the world go to hell and decided ruling it was the only way left. doing him in with a single duel is a choice I don't fully buy
Razul calling out to Granbell before he goes down got me. guy spent centuries just following the one person who bothered to name him. quiet and brutal
Cook of the Gods. she literally just evolved cook into a combat skill by refusing to be left behind that is the dumbest and most perfect thing
Shion's whole thing about being scared Rimuru would toss her aside once Diablo showed up hit me way harder than the fight did. She's been the muscle for so long it never crossed my mind she was comparing herself to everyone
Granbell got off way too easy for how much buildup he had. Luminous just ends him in one exchange and that's it. Felt like the whole thing got cut short
sakaguchi hinata you are NOT allowed to be dead I refuse to accept the slime rule doesn't cover this
that sketched animation on Shion's final hit was unreal. whole fight suddenly looked hand drawn and loose and I rewound it like four times
The thing that lingers for me is how Granbell and Rimuru are basically chasing the same goal with completely different tools. One got Raphael handing him the peaceful answer and the other only had his own stubborn hope for centuries. Granbell naming his skill Sariel Lord of Hope right before Luminas cut him down felt like the show admitting he was never the villain just the version of Rimuru who ran out of options. His final words being a compliment to the woman who killed him says everything about who he actually was
wait that flashback had Hiiro in it?? from Scarlet Bond?? so the movie is real canon now. little details like that keep this world feeling like one big thing instead of separate products
shoutout to the animators for finally letting slime breathe again. talking meeting episodes were rough. this one actually moved like a fight should
Chaotic Fate is going to live in my head rent free for months. That finishing blow had no business looking that clean after Shion spent the first half getting ragdolled
that Luminas duel was over in like thirty seconds and I am still mad about it. centuries of buildup for a one-hitter
Granbell losing his whole point for living the second Razul fell and then pulling out Sariel is such a human way to go out. Dude believed so hard it became a skill
I cannot stop thinking about the mask coming back. Shizue showing up as the one who guards Chronoa's whole mind means she has been holding this story together since season one and none of us noticed
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