This is an episode list of the One-Punch Man anime series.
Season One
Season Two
| # | Image | Title | Original Airdate | English Airdate |
| 1 |  |
The Strongest Man 「最強の男, Saikyō no Otoko」 |
October 4, 2015 | July 16, 2016 |
| 2 |  |
The Lone Cyborg 「孤高のサイボーグ, Kokō no Saibōgu」 |
October 11, 2015 | July 23, 2016 |
| 3 |  |
The Obsessive Scientist 「執念の科学者, Shūnen no Kagakusha」 |
October 18, 2015 | July 30, 2016 |
| 4 |  |
The Modern Ninja 「今時の忍者, Imadoki no Ninja」 |
October 25, 2015 | August 6, 2016 |
| 5 |  |
The Ultimate Master 「究極の師, Kyūkyoku no Shi」 |
November 1, 2015 | August 13, 2016 |
| 6 |  |
The Terrifying City 「最恐の都市, Saikyō no Toshi」 |
November 8, 2015 | August 20, 2016 |
| 7 |  |
The Ultimate Disciple 「至高の弟子, Shikō no Deshi」 |
November 15, 2015 | August 27, 2016 |
| 8 |  |
The Deep Sea King 「深海の王, Shinkai no Ō」 |
November 22, 2015 | September 10, 2016 |
| 9 |  |
Unyielding Justice 「不屈の正義, Fukutsu no Seigi」 |
November 29, 2015 | September 17, 2016 |
| 10 |  |
Unparalleled Peril 「かつてない程の危機, Katsute nai hodo no kiki」 |
December 6, 2015 | September 24, 2016 |
| 11 |  |
The Dominator of the Universe 「全宇宙の覇者, Zen uchū no hasha」 |
December 13, 2015 | October 1, 2016 |
| 12 |  |
The Strongest Hero 「最強のヒーロー, Saikyō no hīrō」 |
December 20, 2015 | October 8, 2016 |
| # | Image | Title | Original Airdate | English Airdate |
| 13 | The Hero's Return 「ヒーローの帰還, Hīrō no kikan」 |
April 9, 2019 | N/A |
