Fully Recovered Tanjiro Joins the Hashira Training!!
After talking with Tanjiro, Giyu is able to overcome his past self and decides to join the training. Meanwhile, Tanjiro's wounds have healed enough to join the training, and heads to his first training with the former Hashira, Uzui.
Aired 26/05/2024EP 3 - Fully Recovered Tanjiro Joins the Hashira Training!!

2024
Demon Slayer: Kimetsu no Yaiba Hashira Training Arc
The Hashira, the Demon Slayer Corps' highest ranking swordsmen and members. The Hashira Training has begun in order to face the forthcoming battle against Muzan Kibutsuji. Each with their own thoughts and hopes held in their hearts, a new story for Tanjiro and the Hashira begins.
(Source: Aniplex USA)
Note: The first episode received an early premiere in cinemas as part of a special screening alongside the final episode of Kimetsu no Yaiba: Katanakaji no Sato-hen.