Rantarō, Shinbei and Kirimaru are ninja apprentices in the Ninja Gakuen, where first grade ones are called "Nintamas". They must learn everything a ninja must know, but as for our heroes, money, food or playing are more interesting. The series show the everyday adventures of our heroes.
Ninjutsu Gakuen Entrance
The Kunoichi Class is Terrible
A Strange Ninja
Gakuenchou's Thoughts
Shinbei Disappeared
The Puzzle of the Two-faced Ninja
Golden Week
Shinbei is Suspect
The Swordsman - Hanabusa Makinosuke
Who is the Greatest?
Sneak Into the Kunoichi Classroom
Shinbei is Missing
The Shinobi Genius
Taiji the Thief
The Big Contest
Magnificent Friendship
Misshi Shinkurou
Run to Nameko Castle
The Pirate who Couldn't Swim
Lovesick
Yamada-sensei is the Target
Combination Class
Kinoko Mountain Juudan Practice
Once Again, the Swordsman Hanabusa Makinosuke
My Father's Killer
There'll Be No Summer Vacation
Gakuenchou's Wallscroll
Message from God
The Lord of Maitake Castle
Steal the Rations!
Daisan-kyoueimaru's Ship
Hieta Happousai
Shinbei's Apology
Many Kinds of Autumn
Troubled People
The Famous Sword Gokurakumaru
The Missing Ricebowl
Shindemohashirou's Mansion
The Excellent Little Brother
The Phantom Mushroom
Summer Vacation Senility
The Transfer Student of Rumors
Tensaimaru and Shuusaimaru
An Autumn Wind Pierces the Body
Wind, Woods, Fire and Mountain
Junko and Junichi
The Pot of Treasure
A Greedy Mistake
Nintama Helpful Sword?
Gakuencho's Soup
The Shy Ninja
The Nervous Ninja
Save Ichinen-hagumi!
Kirimaru is Bothered
The Stolen Sign
The Secret of the Sign
The Princess is?
The Part-time Mountain Bandit
Kurokoge Panzou
The Piece of Tatami
Mom Comes to the School
Dad's Success
The Poison Under the Floor
Kiri-chan's Mistake
The Shuriken Contest
The Burning Menu
It's Fake Money!
Who is the Criminal?
The Stolen Gun
Showdown! Dokutake Castle
Nintama Make-up Exam
Goldfish Yaai!
The Cafeteria is Taken!
It's a Hotspring!
Hemuhemu is Missing!
Give Back Hemuhemu!
To Sausage Temple!
Beat the Second Year Students!
The Ridicoulously Strong Gang of Theives
Find the Weak Point!
I'm Full!
Be Cold-Hearted!
Obachan Catches a Cold!
Kirimaru's Big Profit
I Want to be a Teacher
The Beginning of a Beautiful Day
Kirichan's Part-time Jobs
Kirichan's Greed
Strong Shinbei
The Failure Ninja
And the greatest is?
Wind: A Breath of Heart
Hanaukyou Maid Team: La Verite
The Prince of Tennis
Ef: A Tale Of Memories & Melodies
Sakura Wars
Hero Is Back
Playing Death Games to Put Food on the Table
Rurouni Kenshin
Pet
Special 7: Special Crime Investigation Unit
Shironeko Project: Zero Chronicle
In/Spectre
League of Nations Air Force Aviation Magic Band Luminous Witches
Smile Down the Runway
Gatchaman
Psychic Force
Lupin the 3rd
Buso Renkin
Digimon: Digital Monsters
School Rumble