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