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A ninth-grade student is chosen to be a town's next ninja to protect it from its enemies.
54 Episodes 2014 -
Sat, Jul 19, 2014 15 mins
Randy and Howard won't admit they are too scared to ride a new water slide, so Ninja sabotages it.
Mort Weinerman builds Randy and Howard's dream pool.
Mon, Sep 29, 2014 15 mins
Catfish Booray returns to Norrisville High School as a substitute teacher.
Randy and Howard put an investigative reporter on the trail of the Ninja's secret identity.
Tue, Sep 30, 2014 15 mins
Randy brings the Sorcerer's ball to Julian's magic-themed birthday party and accidentally unleashes its power.
Randy gets jealous when Howard starts hanging out with some other friends.
Wed, Oct 1, 2014 15 mins
Randy and Howard are excited to play with pop star Levandar Hart, but they are unaware he is secretly plotting his revenge for being kicked out of their band.
Randy and Howard rescue their favorite animatronic rock star from Whoopee World.
Thu, Oct 2, 2014 15 mins
A science class bologna "baby" comes to life.
Bucky creates a Ninja theme song that Ninja hates.
Fri, Oct 3, 2014 15 mins
Randy goes to extreme measures to prove he is a good liar.
Randy uses the Nomicon to give himself super senses, so he can win a food-tasting competition.
Fri, Oct 10, 2014 15 mins
Randy puts Norrisville in danger when finds and falls in love with Viceroy's beloved "pet" Otto and refuses to give it back.
Randy goes undercover to find out the secret behind McFist's next Ninja-destroying plan.
Fri, Oct 17, 2014 15 mins
Randy unleashes a terrifying Halloween suit and soon discovers that it's a force he can't control.
Randy accidentally brings the maniacal Mudfart to life when he tells Howard a scary story about it.
Thu, Nov 27, 2014 15 mins
Randy and Howard play laser tag and use Ninja-ing to even the playing field.
Randy gets stuck in a dream loop and tries to escape.
Wed, Dec 3, 2014 15 mins
Howard tries to save Greg's Game Hole by learning the true meaning of Hanukkah.
Randy leaves the Nomicon at school so Ninja-ing won't ruin his trip with Howard to Snow-klahoma.
Mon, Mar 16, 2015 15 mins
Randy fakes being sick to miss school, but Howard tries to get him back in class so he doesn't have to each lunch by himself.
Randy breaks into McFist's house to retrieve a lost boomerang, which leads to danger.
Mon, Mar 23, 2015 15 mins
Ninja becomes blinded by his own doodles and seeks help from S. Ward Smith, the blind sword smith of Norrisville.
Ninja endorses every business in Norrisville and learns about the dangers of selling out.
Mon, Mar 30, 2015 15 mins
Howard tries to prove he is a true mastermind who can beat the Ninja.
Randy and Howard become instant celebrities with a fake monster video and it draws the attention of a monster hunter who wants in on the glory.
Mon, Apr 6, 2015 15 mins
Journalist Debbie Kang discovers that Randy is the Ninja.
Randy breaks a sacred rule by removing Plop Plop, an ancient guardian, from his post.
Mon, Apr 13, 2015 15 mins
Viceroy rips off cheesy 1980s cartoons for his bot designs.
Howard's dad thinks Ninja is out to get him.
Mon, Apr 20, 2015 15 mins
Randy and Howard are forced to go to Saturday school, and Howard learns he is a genius on the weekends.
Ninja spends the day with Rachel, his biggest fan, after she performs a song she wrote for him.
Mon, Apr 27, 2015 15 mins
A 6-year-old Randy tries to convince new kid Howard that Norrisville has a Ninja.
Randy and Howard unwittingly sell used Ninja weapons to Viceroy.
Mon, May 11, 2015 15 mins
Howard is chosen to be the new school mascot.
Ninja and McFist crash land on the most dangerous place in Norrisville and are attacked by ruthless bots.
Mon, May 18, 2015 15 mins
Randy accidentally launches Howard into space on a space shuttle with a killer robot aboard.
A computer-based program becomes principal and traps the students in a simulated world of forced learning.
Mon, Jun 1, 2015 15 mins
Principal Slimovitz threatens to separate Randy and Howard unless they improve their grades.
Randy and Howard get kicked out of a party and go overboard trying to get back in.
Mon, Jun 8, 2015 15 mins
Randy and Howard inadvertently start a war that threatens to destroy their two favorite eateries.
Slimovitz removes cake fries from the Norrisville High menu, which causes a legendary defender of justice to rise from the history books.
Mon, Jun 15, 2015 15 mins
Randy gets McFist tossed from the coldest island resort on Lake LaRusso.
Howard goes to the center of the Earth to set the fart record straight.
Mon, Jun 22, 2015 15 mins
Randy and Howard find a mysterious idol.
Randy accidentally sends Howard on a quest for the final Sorerer's ball.
Mon, Jul 27, 2015 15 mins
Part 1 of 2. Randy learns that his family is moving because Norrisville has become too dangerous, so he tries to defeat Cyborg Julian and make his town a safe place to live.
Part 2 of 2. Randy learns that his family is moving because Norrisville has become too dangerous, so he tries to defeat Cyborg Julian and make his town a safe place to live.
Sat, Mar 24, 2018 15 mins
Howard and some other students get sent to the dreaded Detention Island; Bash, the school bully, is mistaken for the Ninja.
Sun, Mar 25, 2018 15 mins
Howard fills in as the Ninja when Randy inadvertently mind wipes himself and develops amnesia.
McFist schemes to steal the spotlight during Ninja Day; Ninja lies that his name is Ranginald Bagel, which puts the real Ranginald in danger of McFist's fury.