Episode 1

Born in Red Black

Episode 2

Machine of Vengeance

Episode 3

Last Girl Standing, Part 1

Episode 4

Last Girl Standing, Part 2

Episode 5

Rage Against Tofu

Episode 6

Surprised Dojo

Episode 7

Bane of Serpent / Zazen and Ninja

Episode 8

Apocalypse Inside Tainted Soil

Episode 9

One Minute Before the Tanuki, Part 1

Episode 10

One Minute Before the Tanuki, Part 2

Episode 11

Menace of Dark Ninja

Episode 12

Day of the Lobster / Day of the Lobster 2

Episode 13

Swan Song Sung by a Faded Crow, Part 1

Episode 14

Swan Song Sung by a Faded Crow, Part 2

Episode 15

Sushi Night at the Barricade

Episode 16

At the Treasonersvill

Episode 17

Treasure Every Meeting

Episode 18

Ever Felt Cheated?

Episode 19

Stranger Stranger Than Fiction, Part 1

Episode 20

Stranger Stranger Than Fiction, Part 2

Episode 21

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

Episode 22

Neo-Saitama in Flames, Part 2: Darkninja Returns

Episode 23

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

Episode 24

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

Episode 25

The Best of Ninja Slayer from Animation

Episode 26

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