Season
- Season 1 2015-04-16
Episode
- 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
Ninja Slayer From Animation Season 1 Last Girl Standing, Part 2
Kenji Fujikido is a salaryman whose wife and child were killed in a ninja turf war. In a brush with his own death, Fujikido is possessed by an enigmatic ninja soul known as Naraku Ninja. Fujikido cheats death and becomes "Ninja Slayer" -a Grim Reaper destined to kill evil ninja, committed to a personal war of vengeance. Set in the dystopian underworld of Neo-Saitama, Ninja Slayer takes on Soukai Syndicate ninja in mortal combat.
