The title may be a mouthful, but "Demon Slayer: Kimetsu no Yaiba Infinity Castle I" has come to Crunchyroll. Go sign up for Crunchyroll, grab your 7-day free trial, and watch the movie (or the rest of the series) as many times as you want. Crunchyroll - 7-day free trial $9.99 Your ultimate destination for watching a vast collection of anime series and movies. Buy NowThe title “Demon Slayer” is the closest the translators at Shonen Jump Magazine could get to transliterating “Kimetsu no Yaiba” into English; the actual direct translation of the original name is closer to “Demon Destruction Blade,” which doesn’t roll off the tongue as neatly. Sign up and watch all of “Demon Slayer: Kimetsu no Yaiba” on Crunchyroll.