A big, emotionally direct action-fantasy that delivers both spectacle and a genuine gut-punch. It works best as a heightened, crowd-pleasing continuation of the series: flashy combat, vivid character beats, and a finale that lands hard.
Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train
Where to watch: Buy
Movie · Animation · Action
Fri · 1h 57m
Director: Haruo Sotozaki
Starring: Natsuki Hanae, Akari Kito, Hiro Shimono
Overview
Tanjiro Kamado, joined with Inosuke Hashibira, a boy raised by boars who wears a boar's head, and Zenitsu Agatsuma, a scared boy who reveals his true power when he sleeps, boards the Infinity Train on a new mission with the Fire Hashira, Kyojuro Rengoku, to defeat a demon who has been tormenting the people and killing the demon slayers who oppose it!
Director
Haruo Sotozaki
Cast
Natsuki Hanae, Akari Kito, Hiro Shimono
Curator Review
Verdict
A big, emotionally direct action-fantasy that delivers both spectacle and a genuine gut-punch. It works best as a heightened, crowd-pleasing continuation of the series: flashy combat, vivid character beats, and a finale that lands hard.
Best for
anime fans who want cinematic-scale action
viewers who like heroic sacrifice and tearjerker endings
fans of supernatural battle stories with strong visual style
people already invested in the series
Skip if
you want a standalone film with minimal prior context
you dislike melodramatic emotion and earnest sentiment
you prefer restrained pacing over broad shonen intensity
subtitles and stylized anime performance are a barrier
Overview
Mugen Train is built to do two things very well: escalate the series’ visual ambition and make you care when it hurts. The train setting gives the movie a clean, propulsive structure, while the dreamlike first half adds a surreal edge before the story turns into a more familiar but highly polished demon-slaying showdown. It’s slick, muscular, and emotionally blunt in a way that suits the material.
Worth noting
What separates it from routine franchise filler is how confidently it pivots from spectacle to grief. The action is fast and vivid, but the film’s real power comes from its commitment to sacrifice, duty, and the cost of being a hero. It knows exactly when to slow down and let a character moment sting.
Bottom line
If you’re already on board with the series, this is one of its most satisfying big-screen chapters. If you’re not, the movie can still impress on craft and momentum, but it’s strongest as a continuation rather than an entry point. Either way, it earns its reputation as a crowd-pleaser with a bruised heart.
Top Letterboxd reviews
adambolt (3★) · 2993 likes
Zenitsu having absolutely no contribution to this is very much in-character
emmy klein (5★) · 2548 likes
i used breathing techniques to not audibly sob at the end
lottie 🪐 (4.5★) · 2530 likes
the polar express looks different here
James (Schaffrillas) (4.5★) · 1307 likes
Season 1: Whoa this is a fun quirky demon slaying adventure! :D This movie: 💀💀💀😭😭😭