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: Mr. Osomatsu Returns!
- Episode 2: Celebrate! New Employment!! / Super Detergent
- Episode 3: Cavematsu-san / Choromatsu and Ichimatsu / Totoko's Challenge
- Episode 4: Cavematsu-san 2 / Matsuzou and Matsuyo
- Episode 5: Osomatsu-san in the Summer
- Episode 6: Iyami Has Arrived / I Want Friends, Jo
- Episode 7: Cavematsu-san 3 / Sangokushi-san / Osomatsu and Todomatsu
- Episode 8: Synthesis / Jyushimatsu and the Dolphin / Totoko and Nyaa
- Episode 9: Campaign Starting Now! / Game Center Iyami
- Episode 10: Karamatsu and Brother / New Employee Totoko / Dubbingmatsu-san
- Episode 11: Chibita's Revenge
- Episode 12: Totoko and Nyaa 3 / The Eitaro Family / Give Them Back / Totoko and Nyaa 4
- Episode 13: Year-end
- Episode 14: Weekly Drama Serial - Sanematsu-san: Episode 9 / UMA Expedition Team / The Choromatsu Incident
- Episode 15: Jar / Karamatsu Taxi / Totty Quiz
- Episode 16: Space Pirates / Gourmet Round / The Cutie Next Door
- Episode 17: Punishment / Inn
- Episode 18: Iyami, Alone in the Wind
- Episode 19: Ventriloquism / Valentine's Day
- Episode 20: Tidbits Collection 2
- Episode 21: The Late Night Himatsuya / BANANA / NEET Correctional Facility
- Episode 22: Overseas Vacation
- Episode 23: The Late Night Himatsuya 2 / Dayon and Dayon / Iyami-san Is Troubled / The Late Night Himatsuya 3
- Episode 24: Cherry Blossoms
- Episode 25: Mr. Osomatsu in Hell
Mr. Osomatsu 2nd season Iyami Has Arrived / I Want Friends, Jo
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.
