Season
- Season 4 2025-07-09
- Season 3 2020-10-12
- Season 2 2017-10-03
- Season 1 2015-10-05
- Season 0 2016-01-29
Episode
- Episode 1: Osomatsu-kun Returns
- Episode 2: Let's Get a Job/The Melancholy of Osomatsu-kun
- Episode 3: Tidbits Collection
- Episode 4: Let's Get Independent/This is Totoko
- Episode 5: The Karamatsu Incident/ESP Kitty
- Episode 6: It's a Birthday Party, Dajo/Iyami's Great Discovery
- Episode 7: Todomatsu and the 5 Demons/To the North
- Episode 8: The Calming Osomatsu/Totoko's Dream
- Episode 9: Chibita and Oden/Jyushimatsu Falls in Love
- Episode 10: Iyami and Chibita's Rental Girlfriend
- Episode 11: Christmas Osomatsu-san
- Episode 12: Year-End Special-san
- Episode 13: Sanematsu-san/Girlymatsu-san/Accident?
- Episode 14: We Caught a Cold/Todomatsu's Line/Choromatsu-sensei
- Episode 15: Interview/Girlymatsu-san 2/The Life of Chibita's Flower
- Episode 16: Cat Cafe/Matsuno Max/The Ichimatsu Incident
- Episode 17: Jyushimatsu Festival
- Episode 18: Iyami's Counterattack
- Episode 19: Period Drama Osomatsu-san/Choromatsu Rising
- Episode 20: Teach Me, Hatabou/School Matsu/Iyami's School
- Episode 21: Mahjong/Godmatsu
- Episode 22: The Star of Hope, Todomatsu/Final Sheeeh
- Episode 23: Kerosene/Dayon Tribe
- Episode 24: Totoko's Huge Panic/Letter
- Episode 25: Osomatsu-san, Such as It Was
Mr. Osomatsu 1st season We Caught a Cold/Todomatsu's Line/Choromatsu-sensei
Sequel/spin-off of the gag manga classic Osomatsu-kun, entailing the lives of the now 20-something NEET virgin Matsuno sextuplets and the bizarre adventures they find themselves into in the modern day.
