Demon Slayer: Kimetsu no Yaiba (2019)

S4E1 Someone's Dream

Title: A Dream Realized Plot: For the first time in a century, an Upper Rank Demon has been vanquished, thanks to the combined strength of Uzui, Tanjiro, and their allies. This significant victory sends shockwaves through both the Demon Slayer Corps and the Upper Rank Demons, who have gathered at Muzan Kibutsuji's command. Meanwhile, while recuperating at the Butterfly Mansion, Tanjiro learns that he has angered his swordsmith, Haganezuka, after damaging his blade. Determined to make amends, he sets off to the village of the swordsmiths to speak with him face-to-face.