Demon Slayer: Kimetsu no Yaiba Mugen Train Arc

GREAT
100%
OF 105 SCOUTSRECOMMEND

Tanjiro and his comrades board the Infinity Train to investigate disappearances and confront a demon preying on passengers and Demon Slayers.

📖 SYNOPSIS

Fresh from their last battle, Tanjiro, his sister Nezuko, the perpetually terrified Zenitsu, and the feral boar-helmet-wearing Inosuke get sent on a mission to board a mysterious train where passengers keep vanishing. Their contact? Kyojuro Rengoku, the Flame Hashira, who's essentially a walking inferno of positivity and swordsmanship. The first couple episodes actually set things up before the train even departs, dealing with a local demon threat that gives Rengoku a proper introduction. Once they're on board, things get weird fast — there's a demon pulling strings behind the scenes, and the group doesn't even realize the danger they're walking into.

This is a 7-episode TV series adaptation of the Mugen Train arc, animated by ufotable, and honestly the production quality is unreasonable. Every flame effect, every sword swing looks like it cost someone's entire budget. The soundtrack by Yuki Kajiura and Go Shiina does heavy lifting too — it knows exactly when to be quiet and when to hit you in the chest. What catches people off guard is how emotionally invested you get. This arc isn't just cool fights; it earns its emotional moments through character work that actually lands.

If you liked the high-stakes tension of Attack on Titan or the emotional gut punches in Fullmetal Alchemist: Brotherhood, this hits similar notes. Fans of Bleach's soul reaper combat will feel right at home with the breathing techniques and demon hierarchy. Set in Taisho-era Japan, it's historical supernatural action done right — just make sure you've watched season one first.

✨ MUST WATCH IF...

You loved Season 1 and want to see Tanjirou team up with a Hashira firsthand
ufotable's action animation is your thing — the train arc fights are gorgeous and fluid
Rengoku's character arc sounds appealing — he's the emotional core of this entire season
You prefer a short commitment — just 7 episodes covering one focused storyline

❌ SKIP IF...

You haven't watched the original 26-episode season — this won't make sense jumping in cold
Repetitive flashback sequences and dream-logic narrative loops tend to frustrate you
You already watched the Mugen Train movie — this is the same story recut with one extra episode

🎬 EPISODE GUIDE

Loading episodes...

MANGA BRIDGE

This season covers Chapters 54-66 of the manga. Continue reading from Chapter 67.

Manga cover

🎭 CHARACTERS

Tanjirou Kamado

Kind, determined demon slayer Tanjirou protects his sister, Nezuko, and seeks revenge for his family.

Portrayed by Clark Allegra, Ratsito Enzo, Zhang Ye, Bastidas Iván, Homs Emmylou, Figueira Daniel, Navarro Marcel, Novara Renato, Satou Satomi, Faliu Martin, von Jascheroff Constantin, Hanae Natsuki

Zenitsu Agatsuma

Zenitsu Agatsuma: A timid Demon Slayer, known for his lightning-fast swordsmanship when asleep.

Portrayed by Singh Mosè, Martínez Castañer Xavier, Piedra José Luis, Baudouin Maxime, Petrick Dirk, Shimono Hiro

Inosuke Hashibira

Boar-headed Demon Slayer, Inosuke Hashibira, travels with Tanjiro, showcasing fierce, impulsive fighting style.

Portrayed by Itchart Eduard, Huerta Uraz, Matsuoka Yoshitsugu, Lemoine Christophe, De Mojana Matteo, Schmidt-Foß Dennis, Silva Dláigelles

Nezuko Kamado

Tanjiro's demon sister, Nezuko fights alongside him, eventually regaining her humanity.

Portrayed by Guarnieri Isabella, Cherubelli Laura, Kitou Akari, Meynen Julia, Rojas Annie, Maillet Margaux, Andrés Eva

Kyoujurou Rengoku

Optimistic Flame Hashira, Kyoujurou Rengoku, displays unmatched strength and unwavering resolve, sacrificing himself to protect others.

Portrayed by Daayán Irwin, Ise Mariya, Maia Philippe, Hino Satoshi, Bartley Ryan, Morgenstern Tommy, La Greca Andrea, Antoine Adrien, Salerno Arthur

Demon Slayer: Kimetsu no Yaiba Series

Demon Slayer: Kimetsu no Yaiba

TV · 2019 · ufotable

Demon Slayer: Kimetsu no Yaiba

In Taisho-era Japan, a young man becomes a demon slayer after his family is murdered and his sister is turned into a demon, vowing to restore her humanity.

Great97%Great
Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train

Movie · 2020 · ufotable

Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train

Tanjiro and his comrades join the Infinity Train, a new mission that leads them to confront a powerful demon responsible for the disappearance of demon slayers.

Great100%Great
Demon Slayer: Kimetsu no Yaiba Entertainment District Arc

TV · 2021 · ufotable

Demon Slayer: Kimetsu no Yaiba Entertainment District Arc

Tanjirou, Inosuke, and Zenitsu join the flamboyant Sound Hashira, Tengen Uzui, in the Entertainment District to hunt a powerful demon preying on the town.

Great100%Great
Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc

TV · 2023 · ufotable

Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc

Tanjiro arrives at the Swordsmith Village, encountering powerful Hashira and facing new demonic threats in a battle that will test his strength and resolve.

Great100%Great
Demon Slayer: Kimetsu no Yaiba Hashira Training Arc

TV · 2024 · ufotable

Demon Slayer: Kimetsu no Yaiba Hashira Training Arc

As the Demon Slayer Corps prepares for a final confrontation with Muzan Kibutsuji, the Hashira initiate rigorous training to strengthen their forces.

Great97%Great
Demon Slayer: Kimetsu no Yaiba - The Movie: Infinity Castle - Part 1: Akaza Returns

Movie · 2025 · ufotable

Demon Slayer: Kimetsu no Yaiba - The Movie: Infinity Castle - Part 1: Akaza Returns

The theatrical trilogy adaptation of the Infinity Castle Arc launches, as the all-out war between the Demon Slayers and Muzan's forces commences.

Great100%Great
Demon Slayer: Kimetsu no Yaiba - The Movie 2: Infinity Castle

Movie

Demon Slayer: Kimetsu no Yaiba - The Movie 2: Infinity Castle

Demon Slayer: Kimetsu no Yaiba - The Movie 3: Infinity Castle

Movie

Demon Slayer: Kimetsu no Yaiba - The Movie 3: Infinity Castle

Great
Great
100%(22 Reviews)
Demon Slayer: Kimetsu no Yaiba Mugen Train Arc

Studio

ufotable

Season

Fall 2021

Start Date

2021-10-10

End Date

2021-11-28

Episodes

7

Type

TV

AnimeOshi.com refers to anime titles, character names, logos, and other trademarked or copyrighted materials to identify and describe the works being reviewed, discussed, ranked or otherwise referenced on this site. This usage is believed to be nominative fair use or non-infringing and is not intended to imply any affiliation with the respective rights holders.

All trademarks and copyrights remain the property of their owners. If you are a rights holder and have concerns about any content on this site, please contact us at legal@animeoshi.com