BAKI-DOU: The Invincible Samurai is a oNA (web) anime that premiered in winter 2026, produced by TMS Entertainment.

About the production: the story comes from a manga, there are 13 episodes of about 24 minutes and its current status is "finished".

Its main genres are action and sports, with themes such as Swordplay, Martial Arts, Samurai and Male Protagonist.

On AniList, BAKI-DOU: The Invincible Samurai has an average score of 75%, a very good score, and appears on 17,058 users' lists.

The franchise continues in or follows from: Hanma Baki Season 2 and BAKI-DOU Part 2.

Musashi Miyamoto — the ultimate symbol of strength — descends into an underground fighting arena where the use of weapons is permitted. Underground fighters including Doppo Orochi, Goki Shibukawa and Sea King Retsu square off in succession against Musashi and his godlike strength. It’s sword versus fist in the most heart-pounding and deadly battles yet, where defeat means certain death. Be prepared to be blown away by Baki and the other underground fighters as they bravely take on this new battle to determine the strongest fighter in human history. (Source: Netflix)

Official synopsis from AniList.