Watch Mr. Osomatsu Online (2015)

Where to watch “Mr. Osomatsu” (2015) online legally? See US streaming options first, plus English-region fallbacks.

Mr. Osomatsu first aired in 2015 • originally associated with HTB • 4 seasons • 87 episodes • around 25 minutes per episode • status: Returning Series.

If you searched for “watch Mr. Osomatsu online” (2015), the safest approach is to verify legal availability in your region (US first, then English-region fallbacks).

It sits in the Animation, Comedy space, which helps set expectations for tone and pacing.

Ratings vary by audience taste—check the synopsis and cast to see if it matches what you like.

This page includes season navigation, episode list, cast, trailer (when available), and legal provider hints to help you decide quickly.

Synopsis

The lives of the now 20-something NEET Matsuno sextuplets and the bizarre adventures they find themselves into in the modern day.

Keywords

parody, based on manga, eccentric family, anime, neet, brothers, gag comedy.

Stills

Similar series

Pop Team Epic, Hayate the Combat Butler, Robot Chicken, Rent-a-Girlfriend, Family Guy, Solar Opposites, Nichijou: My Ordinary Life, Life with an Ordinary Guy Who Reincarnated into a Total Fantasy Knockout.

Main cast

Takahiro Sakurai

as Osomatsu Matsuno (voice)

Jun Fukuyama

as Ichimatsu Matsuno (voice)

Aya Endo

as Totoko (voice)

Yuichi Nakamura

as Karamatsu Matsuno (voice)

Kazuhiko Inoue

as Matsuzou Matsuno (voice)

Miyu Irino

as Todomatsu Matsuno (voice)

Hiroshi Kamiya

as Choromatsu Matsuno (voice)

Sachi Kokuryu

as Chibita (voice)

Kujira

as Matsuyo Matsuno (voice)

Daisuke Ono

as Juushimatsu Matsuno (voice)

Official trailer