

Anime DetailsFINISHED
- Format
- special
- Episodes
- 1
- Episode length
- 23 min
- Total watch time
- 23 minutes
- Status
- Finished
- Aired
- January 29, 2016
- Season
- Winter 2016
- Source
- Original story
- Studio
- Studio Pierrot
- Age rating
- PG — Teens 13 or older
- Country
- Japan
- AniList score
- 69/100
Tags & Tropes

Mr. Osomatsu Episode 3.5
Synopsis
Episode 3.5 features two short segments titled "Matsu-jiru" and "Douteina Hero." Matsu-jiru - One day, the Matsuno boys are greeted by a morning different from usual... A special day for them begins. Douteina Hero - One day, Choromatsu discovers a group of college students enjoying a barbecue. But he feels inferior next to these college students who live in a different world. What's revealed is... (Source: Anime News Network)
Should you watch Mr. Osomatsu Episode 3.5?
Mr. Osomatsu Episode 3.5 has been met with mixed reactions, with an average AniList score of 69/100 — 38% of 1,495 ratings are 8/10 or higher.
Of the 2.5K AniList users who started it, 1.5% dropped it, so it is very rarely abandoned; 2.4K have finished it.
At about 23 minutes in total, it is a short commitment — a weekend binge.
Best for viewers who enjoy Comedy.
Where to Watch Officially
A streaming link is not listed for this title yet.
Where it fits in the series
- Optional extras: Mr. Osomatsu
Related entries
Mr. Osomatsu Episode 3.5 FAQ
How many episodes does Mr. Osomatsu Episode 3.5 have?
Mr. Osomatsu Episode 3.5 has 1 episodes of about 23 minutes each, roughly 23 minutes in total.
Is Mr. Osomatsu Episode 3.5 finished?
Yes. Mr. Osomatsu Episode 3.5 has finished airing — the final episode aired January 29, 2016.
Is there a season 2 of Mr. Osomatsu Episode 3.5?
No sequel is listed for Mr. Osomatsu Episode 3.5 as of October 2026.
Is Mr. Osomatsu Episode 3.5 based on a manga?
No. Mr. Osomatsu Episode 3.5 is an original anime story, not adapted from a manga or novel.
Who animated Mr. Osomatsu Episode 3.5?
Mr. Osomatsu Episode 3.5 was animated by Studio Pierrot.