Watch Mr. Osomatsu Season 4 Online — All Episodes | Bobina

Mr. Osomatsu — Season 4 watch online

Mr. Osomatsu — Season 4
  • Animated Series: Mr. Osomatsu
  • Premiere: July 8, 2025
  • Episodes: 13
  • Network: TV Tokyo

Mr. Osomatsu season 4: episode list with air dates — 13 episodes. Watch the season 4 trailer online, plot and cast.

On this page you can watch the official Mr. Osomatsu (season 4) trailer online for free, read the plot and see who stars in it.

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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