Osomatsu-san Movie: Gekijou Koukai Kinen - Original Tanpen Gekijou
Japanese title: えいがのおそ松さん 劇場公開記念 オリジナル短編劇場
Alternative titles: Eiga no Osomatsu-san: Gekijou Koukai Kinen - Original Tanpen Gekijou, Mr. Osomatsu the Movie: Gekijou Koukai Kinen - Original Tanpen Gekijou
Type: ONA
Source: Manga
Episodes: 7
Status: Finished Airing
Aired: Mar 1, 2019 to Mar 15, 2019
Duration: 2 min per ep
Rating: R - 17+ (violence & profanity)
Studios: Pierrot
Genres: Comedy
Themes: Parody

A short series depicting side stories about the brothers' daily life, released on dTV streaming service.

It received an advance screening together with the movie on March 7 in Tokyo.

(Source: AniDB)