Watch Mr. Osomatsu Season 4 Episode 1 Online
“It's Starting Again” — Watch "Mr. Osomatsu" Season 4 Episode 1 online in HD for free. Check streaming providers, cast, and episode details.
Where can I watch "It's Starting Again" online?
You can watch it through the button below, and it is free.
Season 4 Episode 1 — Aired on Jul 9, 2025 • runs about 24 minutes.
Directed by Ryosuke Azuma.
Written by Shu Matsubara.
Notable cast/guest names in this episode include Takahiro Sakurai, Jun Fukuyama, Aya Endo, Yuichi Nakamura.
This page includes 2 official still(s) (when available) plus legal availability links.
Looking for “watch Mr. Osomatsu Season 4 Episode 1 online”? This is a legal-only guide with synopsis, stills, and navigation for this season.
Synopsis
The sextuplets spend a lazy Tanabata with friends and neighbors.
Stills
Cast
as Osomatsu Matsuno (voice)
as Ichimatsu Matsuno (voice)
as Totoko (voice)
as Karamatsu Matsuno (voice)
as Matsuzou Matsuno (voice)
as Todomatsu Matsuno (voice)
as Choromatsu Matsuno (voice)
as Chibita (voice)
as Matsuyo Matsuno (voice)
as Juushimatsu Matsuno (voice)
Episodes – Season 4
Trailer / clip
There�s no trailer available for this series right now.
