Ninja Boy Rantaro / Season 1 Season guide Ninja Boy Rantaro: Season 1 91 episodes Premiered Apr 10, 1993 Updated Jul 19, 2026 Spoiler-safe Advertisement Season 1 Episodes Episode Guide 🛡️ SPOILER SHIELD Season 1 Progress Shield All Safe I'm Watching Caught Up Season: Season 1 Last Watched: None (Not started) Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17 Episode 18 Episode 19 Episode 20 Episode 21 Episode 22 Episode 23 Episode 24 Episode 25 Episode 26 Episode 27 Episode 28 Episode 29 Episode 30 Episode 31 Episode 32 Episode 33 Episode 34 Episode 35 Episode 36 Episode 37 Episode 38 Episode 39 Episode 40 Episode 41 Episode 42 Episode 43 Episode 44 Episode 45 Episode 46 Episode 47 Episode 48 Episode 49 Episode 50 Episode 51 Episode 52 Episode 53 Episode 54 Episode 55 Episode 56 Episode 57 Episode 58 Episode 59 Episode 60 Episode 61 Episode 62 Episode 63 Episode 64 Episode 65 Episode 66 Episode 67 Episode 68 Episode 69 Episode 70 Episode 71 Episode 72 Episode 73 Episode 74 Episode 75 Episode 76 Episode 77 Episode 78 Episode 79 Episode 80 Episode 81 Episode 82 Episode 83 Episode 84 Episode 85 Episode 86 Episode 87 Episode 88 Episode 89 Episode 90 Episode 91 Future titles & synopses blurred. Tap "Reveal" on any card to peek. Binge Efficiency Engine Season 1: Filler vs. Essential Canon Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests. 97% Mytharc (3): Crucial lore & season climaxes Core (88): Character development & subplots Side Quest (0): Standalone / filler Show All (91) Crucial Mytharc (3) Essential Canon (91) S1·E1 Mytharc Ninjutsu Gakuen Entrance Apr 10, 1993 · 30 min S1·E2 Core The Kunoichi Class is Terrible Apr 17, 1993 · 30 min S1·E3 Core A Strange Ninja Apr 24, 1993 · 30 min S1·E4 Core Gakuenchou's Thoughts May 1, 1993 · 30 min S1·E5 Core Shinbei Disappeared May 8, 1993 · 30 min S1·E6 Core The Puzzle of the Two-faced Ninja May 15, 1993 · 30 min S1·E7 Core Golden Week May 22, 1993 · 30 min S1·E8 Core Shinbei is Suspect May 29, 1993 · 30 min S1·E9 Core The Swordsman - Hanabusa Makinosuke Jun 5, 1993 · 30 min S1·E10 Core Who is the Greatest? Jun 12, 1993 · 30 min S1·E11 Core Sneak Into the Kunoichi Classroom Jun 19, 1993 · 30 min S1·E12 Core Shinbei is Missing Jun 26, 1993 · 30 min S1·E13 Core The Shinobi Genius Jul 3, 1993 · 30 min S1·E14 Core Taiji the Thief Jul 10, 1993 · 30 min S1·E15 Core The Big Contest Jul 17, 1993 · 30 min S1·E16 Core Magnificent Friendship Jul 24, 1993 · 30 min S1·E17 Core Misshi Shinkurou Jul 31, 1993 · 30 min S1·E18 Core Run to Nameko Castle Aug 7, 1993 · 30 min S1·E19 Core The Pirate who Couldn't Swim Aug 14, 1993 · 30 min S1·E20 Core Lovesick Aug 21, 1993 · 30 min S1·E21 Core Yamada-sensei is the Target Aug 28, 1993 · 30 min S1·E22 Core Combination Class Sep 4, 1993 · 30 min S1·E23 Core Kinoko Mountain Juudan Practice Sep 11, 1993 · 30 min S1·E24 Core Once Again, the Swordsman Hanabusa Makinosuke Sep 18, 1993 · 30 min S1·E25 Core My Father's Killer Sep 25, 1993 · 30 min S1·E26 Core There'll Be No Summer Vacation Oct 2, 1993 · 30 min S1·E27 Core Gakuenchou's Wallscroll Oct 9, 1993 · 30 min S1·E28 Core Message from God Oct 16, 1993 · 30 min S1·E29 Core The Lord of Maitake Castle Oct 23, 1993 · 30 min S1·E30 Core Steal the Rations! Oct 30, 1993 · 30 min S1·E31 Core Daisan-kyoueimaru's Ship Nov 6, 1993 · 30 min S1·E32 Core Hieta Happousai Nov 13, 1993 · 30 min S1·E33 Core Shinbei's Apology Nov 20, 1993 · 30 min S1·E34 Core Many Kinds of Autumn Nov 27, 1993 · 30 min S1·E35 Core Troubled People Dec 4, 1993 · 30 min S1·E36 Core The Famous Sword Gokurakumaru Dec 11, 1993 · 30 min S1·E37 Core The Missing Ricebowl Dec 17, 1993 · 30 min S1·E38 Core Shindemohashirou's Mansion Dec 25, 1993 · 30 min S1·E39 Core The Excellent Little Brother Jan 8, 1994 · 30 min S1·E40 Core The Phantom Mushroom Jan 15, 1994 · 30 min S1·E41 Core Summer Vacation Senility Jan 22, 1994 · 30 min S1·E42 Core The Transfer Student of Rumors Jan 29, 1994 · 30 min S1·E43 Core Tensaimaru and Shuusaimaru Feb 5, 1994 · 30 min S1·E44 Core An Autumn Wind Pierces the Body · 30 min S1·E45 Core Wind, Woods, Fire and Mountain · 30 min S1·E46 Core Junko and Junichi · 30 min S1·E47 Core The Pot of Treasure Mar 19, 1993 · 30 min S1·E48 Core A Greedy Mistake · 30 min S1·E49 Core Nintama Helpful Sword? · 30 min S1·E50 Core Gakuencho's Soup · 30 min S1·E51 Core The Shy Ninja · 30 min S1·E52 Core The Nervous Ninja · 30 min S1·E53 Core Save Ichinen-hagumi! · 30 min S1·E54 Core Kirimaru is Bothered · 30 min S1·E55 Core The Stolen Sign · 30 min S1·E56 Core The Secret of the Sign · 30 min S1·E57 Core The Princess is? · 30 min S1·E58 Core The Part-time Mountain Bandit · 30 min S1·E59 Core Kurokoge Panzou · 30 min S1·E60 Core The Piece of Tatami · 30 min S1·E61 Core Mom Comes to the School · 30 min S1·E62 Core Dad's Success · 30 min S1·E63 Core The Poison Under the Floor · 30 min S1·E64 Core Kiri-chan's Mistake · 30 min S1·E65 Core The Shuriken Contest · 30 min S1·E66 Core The Burning Menu · 30 min S1·E67 Core It's Fake Money! · 30 min S1·E68 Core Who is the Criminal? · 30 min S1·E69 Core The Stolen Gun · 30 min S1·E70 Core Showdown! Dokutake Castle · 30 min S1·E71 Core Nintama Make-up Exam · 30 min S1·E72 Core Goldfish Yaai! · 30 min S1·E73 Core The Cafeteria is Taken! · 30 min S1·E74 Core It's a Hotspring! · 30 min S1·E75 Core Hemuhemu is Missing! · 30 min S1·E76 Core Give Back Hemuhemu! · 30 min S1·E77 Core To Sausage Temple! · 30 min S1·E78 Core Beat the Second Year Students! · 30 min S1·E79 Core The Ridicoulously Strong Gang of Theives · 30 min S1·E80 Core Find the Weak Point! · 30 min S1·E81 Core I'm Full! · 30 min S1·E82 Core Be Cold-Hearted! · 30 min S1·E83 Core Obachan Catches a Cold! · 30 min S1·E84 Core Kirimaru's Big Profit · 30 min S1·E85 Core I Want to be a Teacher · 30 min S1·E86 Core The Beginning of a Beautiful Day · 30 min S1·E87 Core Kirichan's Part-time Jobs · 30 min S1·E88 Core Kirichan's Greed · 30 min S1·E89 Core Strong Shinbei · 30 min S1·E90 Mytharc The Failure Ninja · 30 min S1·E91 Mytharc And the greatest is? · 30 min