Demon Slayer Season 4 is finished, so the home media releases are starting, and a titbit from the first part is blowing people’s minds.

Although it was only eight episodes,Demon Slayer Season 4was definitely short and sweet. Covering theHashira Training Arc, this was the last reprieve before theDemon Slayer CorpsandMuzango to war.

We only saw the finale last weekend, and the first Blu-ray comes out in Japan this week. A booklet for the disc has revealed Ufotable’s timeline for production, and it turns out they’re way ahead of the curve.

This is a little mind-blowing, because even the best anime usually work to extremely tight schedules. The animators and creatives are often down to the wire getting something fit for screens.

Getting such a a run-in on the season has only made Ufotable seem even greater in the eyes of fans. “Ufotable once again proving why they are the leader of that industry,” one fan replies.

“Ufotable’s got a pro schedule setup. No wonder their work’s always amazing,” another adds.

It’s worth noting Demon Slayer has been a phenomenon from the jump, since Mugen Train is now thehighest-grossing movieever in Japan, allowing Ufotable the space and financial security to plan like this.

“That’s crazy lead time, but likely only possible because they know that Demon Slayer will continue to be successful, so they can greenlight a new season long before the previous season has even aired,” a fan states.

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This has everyone wondering where production is onDemon Slayer: Infinity Castle, the movie trilogy that’s capping off the franchise. Some now believe Ufotable is probably deeper into those films than we think, so we mightn’t be waiting all that long to see them.

Make sure to check out our guides onTower of God Season 2,Oshi no Ko Season 2, andFairy Tail: 100 Years Questfor ways to distract yourself in the meantime.

Anthony McGlynn is a Senior Anime Writer on Dexerto’s UK team. An expert on animes like Demon Slayer, Solo Leveling and My Hero Academia, he also has over 10 years experience covering games and pop culture for outlets such as Variety, IGN, Den of Geek, PCGamesN, PCGamer, The Digital Fix, and many more. You can contact him at: anthony.mcglynn@dexerto.com