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.
E1: Born in Red Black▶ PLAY
E2: Machine of Vengeance▶ PLAY
E3: Last Girl Standing, Part 1▶ PLAY
E4: Last Girl Standing, Part 2▶ PLAY
E5: Rage Against Tofu▶ PLAY
E6: Surprised Dojo▶ PLAY
E7: Bane of Serpent / Zazen and Ninja▶ PLAY
E8: Apocalypse Inside Tainted Soil▶ PLAY
E9: One Minute Before the Tanuki, Part 1▶ PLAY
E10: One Minute Before the Tanuki, Part 2▶ PLAY
E11: Menace of Dark Ninja▶ PLAY
E12: Day of the Lobster / Day of the Lobster 2▶ PLAY
E13: Swan Song Sung by a Faded Crow, Part 1▶ PLAY
E14: Swan Song Sung by a Faded Crow, Part 2▶ PLAY
E15: Sushi Night at the Barricade▶ PLAY
E16: At the Treasonersvill▶ PLAY
E17: Treasure Every Meeting▶ PLAY
E18: Ever Felt Cheated?▶ PLAY
E19: Stranger Stranger Than Fiction, Part 1▶ PLAY
E20: Stranger Stranger Than Fiction, Part 2▶ PLAY
E21: Neo-Saitama in Flames, Part 1: Like a Bloodarrow Straight▶ PLAY
E22: Neo-Saitama in Flames, Part 2: Darkninja Returns▶ PLAY
E23: Neo-Saitama in Flames, Part 3: And You Will Know Him By the Trail of Ninja▶ PLAY
E24: Neo-Saitama in Flames, Part 4: Dark Dusk, Darker Dawn, Part 1▶ PLAY
E25: The Best of Ninja Slayer from Animation▶ PLAY
E26: Neo-Saitama in Flames, Part 5: Dark Dusk, Darker Dawn, Part 2▶ PLAY