Infinity Hype Begins! Demon Slayer’s Mugen Train Rolls Back into Theaters with Sneak Peek at Epic Final Battle!
All aboard the hype train — again! Just when you thought had run its legendary course, Crunchyroll and Sony Pictures are giving fans one more reason to scream “Total Concentration!” at the top of their lungs. The record-smashing, tear-jerking, sword-slashing anime film is pulling back into theaters in glorious 4K on May 14 — and this time, it’s packing something even more exciting: a sneak peek at Demon Slayer: Infinity Castle.
Yes, you read that right. An exclusive first look at the upcoming, highly anticipated final arc of the Demon Slayer saga will be shown before the feature presentation. So if you weren’t planning to relive the emotional rollercoaster of Kyojuro Rengoku’s flaming heroism, now you have every reason to grab your tickets and head to your nearest theater.
What Is Infinity Castle, and Why Should You Care?
For those who’ve been living under a demon-proof rock, Demon Slayer: Infinity Castle is the first installment in a three-part cinematic finale to the epic anime series. Hitting theaters across the U.S. and Canada on September 12, this film adaptation of the manga’s climactic arc throws our beloved heroes into the belly of the beast — quite literally. After Muzan Kibutsuji’s surprise attack on the Ubuyashiki mansion, Tanjiro, Nezuko, and the elite Hashira find themselves trapped in the demons’ twisted fortress: the Infinity Castle.
This isn’t just another mission — this is war. It’s the final showdown between the Demon Slayer Corps and Muzan’s monstrous minions, with the fate of humanity hanging by a Nichirin blade. Expect high-octane animation, gut-punching drama, and battles so intense, even your popcorn might need a breather.
Directed by Haruo Sotozaki (the visionary behind the anime series and Mugen Train) and brought to life by the animation powerhouse ufotable, Infinity Castle promises to take everything you love about Demon Slayer — breathtaking visuals, deep emotional stakes, and edge-of-your-seat action — and dial it up to eleven.
A Quick Flashback: Why Mugen Train Still Slaps
Originally released in 2020, Demon Slayer: Kimetsu no Yaiba – The Movie: Mugen Train blew up box office records faster than a Hashira slays a demon. Not only is it the highest-grossing anime film ever, but it also boasts over $500 million in global box office earnings. In North America, it became the second-highest-grossing Japanese anime film and made history with the biggest domestic opening weekend for any foreign language film.
Critics and fans alike couldn’t get enough — the movie scored a jaw-dropping 98% critic score and 99% audience score on Rotten Tomatoes. It’s safe to say Mugen Train wasn’t just a film — it was a cultural event.
Don’t Miss the Train… Again
Whether you’re revisiting Mugen Train for the 10th time or introducing a new fan to the franchise, May 14 offers the perfect excuse to relive the magic — now with even more firepower. The teaser for Infinity Castle will give fans a taste of what’s to come in September, and if the trailer is even half as epic as expected, it’ll be more than worth the price of admission.
So sharpen those katanas, grab your Nezuko merch, and prepare for a ride that’s equal parts nostalgia and next-gen hype. With Infinity Castle on the horizon, the Demon Slayer saga is speeding toward a conclusion that’s bound to be legendary.
TL;DR
Demon Slayer: Mugen Train returns to theaters in 4K on May 14 — and brings an exclusive sneak peek at Infinity Castle with it. Final arc. Big battles. Tanjiro vs. Muzan. You don’t want to miss this stop.