Mr. Osomatsu the Movie: Prologue Theater

Shorts included in the Osomatsu-san BD & DVD releases.

Shorts included in the Osomatsu-san 2 BD & DVD releases.

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.

The film centers on the sextuplets at a high school class reunion. There, they see all their former classmates who have become "proper" adults with company jobs. The sextuplets sulk about this and go home and drink until they fall asleep. But when they wake up, a certain scene awaits them.