In Demon Slayer: Kimetsu no Yaiba Mugen Train Arc, Tanjiro Kamado and his fellow Demon Slayer members embark on a mission aboard the Infinity Train. Their new mission is to investigate a series of mysterious disappearances, carried out by a demon that has been terrorizing passengers and killing the demon slayers who oppose it.
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<i>Note: The first episode is entirely anime original. Episodes 2-7 are a re-edited version of the movie featuring new scenes and music.</i>

Episode 1 - Cruelty

Episode 2 - Trainer Sakonji Urokodaki

Episode 3 - Sabito and Makomo

Episode 4 - Final Selection

Episode 5 - My Own Steel

Episode 6 - Swordsman Accompanying a Demon

Episode 7 - Muzan Kibutsuji

Episode 8 - The Smell of Enchanting Blood

Episode 9 - Temari Demon and Arrow Demon

Episode 10 - Together Forever

Episode 11 - Tsuzumi Mansion

Episode 12 - The Boar Bares Its Fangs, Zenitsu Sleeps

Episode 13 - Something More Important Than Life

Episode 14 - The House with the Wisteria Family Crest

Episode 15 - Mount Natagumo

Episode 16 - Letting Someone Else Go First

Episode 17 - You Must Master a Single Thing

Episode 18 - A Forged Bond

Episode 19 - Hinokami

Episode 20 - Pretend Family

Episode 21 - Against Corps Rules

Episode 22 - Master of the Mansion

Episode 23 - Hashira Meeting

Episode 24 - Rehabilitation Training

Episode 25 - Tsuguko, Kanao Tsuyuri

Episode 26 - New Mission

ufotable

Aniplex

Shueisha

Aniplex of America