Thank You, Tokito
Muichiro rescues Kotetsu, who was being attacked by a goldfish demon. He tries to rush to the village where crisis is looming, however, he is asked by Kotetsu to rescue Haganezuka and Kanamori, so he begins heading their way instead. Meanwhile, Tanjiro, Nezuko, and Genya are facing off against the demons who have split into four separate bodies. Separated from the rest, Tanjiro alone continues to fight a close battle with the demon with a mark of the word "Joy"...
Aired 30/04/2023EP 4 - Thank You, Tokito

Demon Slayer: Kimetsu no Yaiba Swordsmith Village Arc
Tanjiro’s journey leads him to the Swordsmith Village, where he reunites with two Hashira, members of the Demon Slayer Corps’ highest-ranking swordsmen - Mist Hashira Muichiro Tokito and Love Hashira Mitsuri Kanroji. With the shadows of demons lurking near, a new battle begins for Tanjiro and his comrades.
Notes:
• The first episode has a runtime of ~49 minutes, and received an early premiere in cinemas worldwide as part of a special screening alongside the final two episodes of Kimetsu no Yaiba: Yuukaku-hen.
• The final episode has a runtime of ~52 minutes.