You can watch One Punch Man streaming on several platforms depending on your region:

• In the United States, One Punch Man (including season 3) is available on Hulu, which will merge with Disney Plus next year, making Disney+ the designated platform for the series in the future.
• In Canada, it is streaming on Disney+.
• In the United Kingdom, Europe, Middle East, Africa, and Oceania, it is available on Crunchyroll.
• Netflix streams One Punch Man in Latin America, Australia, and New Zealand.
• For previous seasons, you can also find One Punch Man on Amazon Video, Apple TV, and Fandango at Home for purchase or download.

There are no current free streaming options without ads widely available, but Crunchyroll offers some episodes with ads in some regions. Season 3 of One Punch Man started streaming globally around mid-October 2025.