Episode 13 "The Matsunoten," the Unaired Episode of the TV Anime "Mr. Osomatsu" Season 4, Will Have Its TV Premiere on June 13! Scene Stills Released

It has been announced that Episode 13 "The Matsunoten," the unaired episode of the TV anime "Mr. Osomatsu" Season 4, will make its television premiere on June 13.

Based on Fujio Akatsuka's classic gag manga "Osomatsu-kun," this series depicts the main characters, a set of sextuplets, who have grown up to become hopeless, good-for-nothing NEET adults. Season 1 of the TV anime aired from October 2015 to March 2016.

Season 4 of the TV anime "Mr. Osomatsu" aired from July to September 2025, creating a huge buzz and trending on X every week. Furthermore, the TV anime marked its 10th anniversary on October 6, 2025, raising expectations for further developments.

"The Matsunoten," which is scheduled for its TV premiere and streaming distribution, is the 13th episode that was left unaired during the Season 4 broadcast in 2025. Until now, it had only been shown during a limited-time screening at the "10th ANNIVERSARY OSOMATSUSAN SPECIAL 6DAYS" event.

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