Ep. 8: Tengen battles the siblings while Tanjiro defends against Gyutaro using Water Breathing.

Tanjiro tends to his injuries while preparing for the upcoming conflict. Tengen engages in a verbal clash with Gyutaro and Daki, reflecting on his past as a Shinobi trained by his father. He sought guidance from Kagaya alongside his wives to avoid his brother's fate. During the fight, Tengen separates the siblings but realizes he has been poisoned by Gyutaro. Tanjiro, Zenitsu, and Inosuke arrive to support him, earning Tengen's praise. Suma and Makio evacuate the district, and a recovering Hinatsuru joins the battle. The Upper Rank siblings coordinate their attacks, overwhelming the Demon Slayers. Tengen faces Gyutaro while Daki fights Zenitsu and Inosuke. Tanjiro switches to Water Breathing for better defense against Gyutaro. Hinatsuru attacks Gyutaro with wisteria-laced kunai, allowing Tengen to sever his legs and Tanjiro to strike.
Episodes
- Ep. 4 · Tanjiro and Inosuke reunite while Tengen investigates a demon threat in the pleasure district.
- Ep. 5 · Tanjiro struggles with exhaustion while Inosuke discovers a cavern holding Daki's obi and trapped victims.
- Ep. 6 · Tanjiro and Nezuko clash with Daki amid district destruction and shifting memories.
- Ep. 7 · Nezuko battles Daki while Tanjiro restrains her bloodlust as Tengen confronts the demon siblings.
- Ep. 8 · Tengen battles the siblings while Tanjiro defends against Gyutaro using Water Breathing.
- Ep. 9 · Tengen and Tanjiro confront Gyutaro while Zenitsu and Inosuke battle Daki’s obi.
- Ep. 10 · Tanjiro and allies defeat Upper Six demons amidst city destruction and poison.
- Ep. 11 · Tanjiro and Nezuko recover from the explosion and confront the dying demon siblings.
- Ep. 12 · The Boar Shows Its Fangs While Zenitsu Slumbers