Osomatsu-san 4th Season
6.42 (503 reviews)
- English: Mr. Osomatsu 4th Season
- Synonyms: Mr. Osomatsu 4
- Japanese: -
- Type: TV
- Source: Manga
- Status: Currently Airing
- Season: summer 2025
- Episodes: 13
- Duration: 23 min per ep
- Genres: Comedy
- Rating: R - 17+ (violence & profanity)
- Studio: Pierrot Films
Fourth season of Osomatsu-san.