Watch Mr. Osomatsu Season 4 Episode 1 Online — It's Starting Again | Bobina

Mr. Osomatsu — Season 4, episode 1 watch online

  • Animated Series: Mr. Osomatsu
  • Seasons: Season 4
  • Episode 1: «It's Starting Again»
  • Air date: July 8, 2025
  • Running time: 23 min

Mr. Osomatsu, season 4 episode 1 «It's Starting Again»: air date July 8, 2025. Episode overview, season trailer and the cast of Mr. Osomatsu.

The sextuplets are back again.

Episodes — Season 4

  1. 1 Episode 1 «It's Starting Again» July 8, 2025
  2. 2 Episode 2 «Watermelon Alien» July 15, 2025
  3. 3 Episode 3 «Thunderstorms and Crew Cuts» July 22, 2025
  4. 4 Episode 4 «Temple Festival» July 29, 2025
  5. 5 Episode 5 «Rest | Fishing Hermit» August 5, 2025
  6. 6 Episode 6 «Fans and Time Machines» August 12, 2025
  7. 7 Episode 7 «Storytime, Jo» August 19, 2025
  8. 8 Episode 8 «Ichimatsu and the Thieving Cat» August 26, 2025
  9. 9 Episode 9 «The Idiot Series» September 2, 2025
  10. 10 Episode 10 «Iyami and the Hikikomijian Alien» September 9, 2025
  11. 11 Episode 11 «The Sextuplets Have the Same Dream» September 16, 2025
  12. 12 Episode 12 «The End of Summer» September 23, 2025
  13. 13 Episode 13 «The Matsuno Ten» June 12, 2026