Season
Season 1 Episode
- Season 1 Born in Red Black
- Season 1 Machine of Vengeance
- Season 1 Last Girl Standing, Part 1
- Season 1 Last Girl Standing, Part 2
- Season 1 Rage Against Tofu
- Season 1 Surprised Dojo
- Season 1 Bane of Serpent / Zazen and Ninja
- Season 1 Apocalypse Inside Tainted Soil
- Season 1 One Minute Before the Tanuki, Part 1
- Season 1 One Minute Before the Tanuki, Part 2
- Season 1 Menace of Dark Ninja
- Season 1 Day of the Lobster / Day of the Lobster 2
- Season 1 Swan Song Sung by a Faded Crow, Part 1
- Season 1 Swan Song Sung by a Faded Crow, Part 2
- Season 1 Sushi Night at the Barricade
- Season 1 At the Treasonersvill
- Season 1 Treasure Every Meeting
- Season 1 Ever Felt Cheated?
- Season 1 Stranger Stranger Than Fiction, Part 1
- Season 1 Stranger Stranger Than Fiction, Part 2
- Season 1 Neo-Saitama in Flames, Part 1: Like a Bloodarrow Straight
- Season 1 Neo-Saitama in Flames, Part 2: Darkninja Returns
- Season 1 Neo-Saitama in Flames, Part 3: And You Will Know Him By the Trail of Ninja
- Season 1 Neo-Saitama in Flames, Part 4: Dark Dusk, Darker Dawn, Part 1
- Season 1 The Best of Ninja Slayer from Animation
- Season 1 Neo-Saitama in Flames, Part 5: Dark Dusk, Darker Dawn, Part 2
Ninja Slayer From Animation - Season 1 Episode 12 Day of the Lobster / Day of the Lobster 2
6.67 15 minutes A yakuza captain interrogates a disloyal member inside a bathhouse, but is interrupted by a ninja dispatched from Yoroshisan. Ninja Slayer rescues the captive Nancy. An old foe embarks on a new quest.
