Junior High and High School!! Kimetsu Academy Story: Kimetsu no Utage Special Edition

Valentine's Day special for Kimetsu no Yaiba. The first three episodes will be released on Aniplex's official YouTube channel, while the fourth and final episode was streamed during the Kimetsu Matsuri Online: Anime 2nd Anniversary Festival and also available on Aniplex's channel after airing. Note: Related to the post-credit shorts after episodes 14, 17 on the TV broadcast of Kimetsu no Yaiba.

A series of unaired comedic shorts released with Blu-ray and DVD boxes of Tsuki ga Kirei.

Four short spin-off episodes included in DVD/BD volumes. Episode 1: よろしくツッチー (Yoroshiku Tsucchi) Vol. 2 Episode 2: なかよしツッチー (Nakayoshi Tsucchi) Vol. 3 Episode 3: がんばれツッチー (Gambare Tsucchi) Vol. 4 Episode 4: さよならツッチー (Sayonara Tsucchi) Vol. 5

Specials included with the BD&DVD releases.