Season 1

1. Born in Red Black

2. Machine of Vengeance

3. Last Girl Standing, Part 1

4. Last Girl Standing, Part 2

5. Rage Against Tofu

6. Surprised Dojo

7. Bane of Serpent / Zazen and Ninja

8. Apocalypse Inside Tainted Soil

9. One Minute Before the Tanuki, Part 1

10. One Minute Before the Tanuki, Part 2

11. Menace of Dark Ninja

12. Day of the Lobster / Day of the Lobster 2

13. Swan Song Sung by a Faded Crow, Part 1

14. Swan Song Sung by a Faded Crow, Part 2

15. Sushi Night at the Barricade

16. At the Treasonersvill

17. Treasure Every Meeting

18. Ever Felt Cheated?

19. Stranger Stranger Than Fiction, Part 1

20. Stranger Stranger Than Fiction, Part 2

21. Neo-Saitama in Flames, Part 1: Like a Bloodarrow Straight

22. Neo-Saitama in Flames, Part 2: Darkninja Returns

23. Neo-Saitama in Flames, Part 3: And You Will Know Him By the Trail of Ninja

24. Neo-Saitama in Flames, Part 4: Dark Dusk, Darker Dawn, Part 1

25. The Best of Ninja Slayer from Animation

26. Neo-Saitama in Flames, Part 5: Dark Dusk, Darker Dawn, Part 2