Season 1

1.Bane of Serpent / Zazen and Ninja

2.Rage Against Tofu

3.Surprised Dojo

4.One Minute Before the Tanuki, Part 2

5.One Minute Before the Tanuki, Part 1

6.Born in Red Black

7.Last Girl Standing, Part 1

8.Apocalypse Inside Tainted Soil

9.Last Girl Standing, Part 2

10.Machine of Vengeance

11.Menace of Dark Ninja

12.Treasure Every Meeting

13.Day of the Lobster / Day of the Lobster 2

14.Ever Felt Cheated?

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

16.Sushi Night at the Barricade

17.At the Treasonersvill

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

19.Stranger Stranger Than Fiction, Part 2

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

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

22.Stranger Stranger Than Fiction, Part 1

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

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

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

26.The Best of Ninja Slayer from Animation