Randy Cunningham, a student in the ninth grade, unexpectedly finds himself transformed into a ninja tasked with safeguarding Norisville High School.

In the bleachers, amidst the murmur of the crowd, Randy and Howard sought a pocket of calm as their school's basketball team battled on the court. Their quiet observation was shattered when news arrived of a band member, known for his skill…

Randy and Howard found themselves appointed to judge the school’s annual talent show, and Randy, with a mischievous glint in his eye, suggested Howard adopt a stern demeanor. “You should be the mean judge,” he said. Unbeknownst to them, how…

Randy’s world tilted on its axis when he learned that Hannibal McFist, the lauded philanthropist of Norrisville, was not a friend, but an adversary. He found himself struggling to persuade Howard that the man they had so readily hailed as a…

During a live web broadcast, Howard inadvertently revealed his knowledge of the ninja's identity. The revelation did not go unnoticed; he was swiftly apprehended by McFist, who then demanded he divulge the secret.

The ninja found himself in combat with a lizard, which, with unsettling precision, managed to acquire a sample of his nasal mucus. Later, Randy and Howard found themselves at a party hosted by Bash, though the gathering was a carefully cons…

Randy journeyed to the town's volcano, though the visit was unlikely to be pleasant.

Driven by a fierce ambition to triumph at the Science Fair, Randy and Howard find themselves on a precarious path. The pursuit of victory may lead them to cross lines they never intended, raising the question of how far they are willing to …

Beneath the schoolhouse steps, Randy and Howard discovered a note.

In a moment of unforeseen consequence, Randy inadvertently resurrected the mad scientist.

A strange phenomenon had settled over the town; residents were inexplicably transforming. Randy and Howard exchanged bewildered glances, each wondering at the cause of this unsettling change affecting everyone around them.

A creature of Mexican folklore, a death bear, has emerged as a threat to the school.

Randy faced a precarious balancing act: maintaining his secret life as a ninja while navigating his friendship with Howard during the chaotic energy of the battle of the bands. Adding to the pressure, McFist plotted to employ a truth-reveal…

The aftermath of Randy and Howard’s argument was ill-timed. As the school launched into its predictable annual "monster drill," Howard, in character as the ninja, was suddenly confronted by a very real monster. Randy, burdened by guilt ove…

Randy Cunningham sought out the Skunk Pine, needing to replenish his supply of smoke bombs. He located the tree only to find it pilfered by Hannibal McFist, who intended to use it as a centerpiece for a Christmas party at McFist Industries.…

Following a power failure at the school, a Stankified Monster, encased in ice, is released. As Randy begins the de-stanking process, he and Howard discover the creature’s name is Dickie, and that his monstrous form was frozen by the Ninja o…

In Norrisville, the Wave Slayer competitions are disrupted when Randy and Howard inadvertently damage the vehicle. The accident injures Buttermaker, prompting Howard to step in as his replacement. Seizing the opportunity, the Sorcerer trans…

The accidental shattering of his sword proved a harsh lesson for Randy, one in respect and humility. Seeking a remedy, he sought out S. Ward Smith, the blind metal shop teacher, hoping for a custom blade. (voiced by John Witherspoon). Simul…

Franz Nukid, an enigmatic newcomer from abroad, casts a shadow over the Ninja, and threatens to unravel the bond between Randy and Howard – a situation that Hannibal McFist is quick to exploit.

The escalating conflict between Randy and Howard, fueled by their video game rivalry, draws the attention of a more pressing danger. A colossal robot descends upon the town, and it falls to the Ninja to intervene and restore order.

The week of school spirit descended into chaos when Howard was afflicted by a creature of myth – a Tengu, a demon bird of legend – inadvertently unleashed by Randy.

Forced to share a lunch table with the ostracized "Der Monster Klub," Randy inadvertently reveals the secret to getting people intoxicated. The group realizes these misfits are engaged in a perilous game, one capable of unraveling the entir…

At the debut of a groundbreaking 6D film, the protagonist unexpectedly materializes, posing an imminent threat to the town of Norrisville.

Randy facilitates the students' departure from Detention Island.

It is widely believed that Bash embodies the spirit of the ninja.

Driven by resentment, Randy and Howard plot retribution against a French exchange student who usurped their online video popularity. Their carefully laid plans, however, unravel unexpectedly, culminating in a public and rather unpleasant di…

The news arrived like a discordant chord: a robot, cleverly masquerading as a member of a competing school's chess team, had shattered Norrisville High’s long-standing record. With this feat came a deeper, more unsettling consequence – the …

The loss of the NinjaNomicon thrust upon Randy a desperate mission: to recover the ancient text before its secrets – centuries of accumulated ninja wisdom – fell into the wrong hands.

Randy and Howard were keen to experience the thrill of the new roller coaster, but first, the Ninja had a more pressing matter: halting a sudden uprising of robotic apes.

A rift forms when Howard gains acceptance into a favored school club, a privilege denied to Randy. Yet, when Howard finds himself in peril, the Ninja must overcome his resentment and intervene.

During a heated rap battle, the Ninja inadvertently invokes a forgotten lesson from his training. The result is unforeseen: a colossal monster materializes, disrupting the contest and threatening the surrounding area.

Randy found himself in a desperate race against time. A former comrade, once a fellow ninja of Norrisville, had twisted into a bitter adversary. Now, this old acquaintance plotted to amass a formidable force, its sole purpose the utter anni…

Randy found himself compelled to accompany Howard to CluckFest, a journey dictated by the unmistakable menace of Bash Johnson. It was a prospect fraught with difficulty for Randy, whose considerable fear of chickens made the outing a daunti…

Randy and Howard face a desperate choice: they must relinquish everything to avert the ultimate unleashing of the Ninja’s most formidable foe.

On Ninja Day, McFist plots to usurp the attention, unveiling a new hero – himself. The genuine Ranginald finds himself threatened by McFist’s vengeful ire.

Through a bizarre twist of fate, Randy finds himself afflicted with amnesia, his memories inexplicably erased. With his primary role as the Ninja unavailable, Howard is thrust into the position, tasked with stepping up until Randy’s mind re…

Mac Antfee, voiced by David Koechner, reappears in Norrisville, this time as a motivational speaker. However, Randy’s presence serves only to rekindle Mac's consuming ambition: to dismantle the Ninja and seize his position.

Randy’s application of his Ninja abilities is deeply flawed, and the ancient Nomicon remains stubbornly closed to him, denying him the power to intervene and save Howard from the clutches of Catfish Booray, a dangerously unstable Cajun trap…

A lack of funds for a McSatchle often finds Randy and Howard seeking employment. Consequently, they both take positions at McFist-O-Plex, where Howard assumes the role of Randy's manager.

Randy's assistance to Terry McFist, Hannibal's free-spirited brother, in seizing control of McFist Industries unleashes a chaotic era of flatulent mayhem upon Whoopee World.

To secure a limousine ride with soccer superstar Pitch Kickham, voiced by Simon Pegg, the Ninja pilfers a pair of shorts—a desperate measure to win a shoot-out competition. When McFist dispatches an I.D. Bot to recover the missing garment, …

The arrival of the McFreak Show stirred a peculiar fascination in Randy. He became certain he desired one of the creatures as a companion. However, the McFreaks’ subsequent outburst of chaotic energy served as a harsh lesson: untamed beasts…

A hush fell over Norrisville High the moment Amanda Levay arrived. The boys – Randy, Howard, and the rest – were captivated. They sensed something extraordinary about her, unaware of the truth: Amanda was the Sorceress, the long-lost love o…

Coach Green has revived a cherished custom from Norrisville High: Prank Day.

On Ninja Day, McFist plotted to seize the attention for himself, announcing the arrival of a new hero: himself.

Randy’s fabrication about his name – Ranginald Bagel, voiced with characteristic gusto by Gilbert Gottfried – inadvertently places the genuine Ranginald Bagel in considerable peril from the wrath of McFist.

Their knack for dismantling McFist products led the boys to an unexpected opportunity: they became official product testers for McFist Industries. In doing so, they stumbled upon something far beyond their initial expectations – a project b…

Randy and Howard trailed Theresa Fowler and their classmates to a trendy new club in the city center, only to find themselves confronted with a startling revelation: the Sorceress had returned, seeking vengeance against the Ninja.

At the golden anniversary celebration of McFist Industries, the Ninja revealed McFist's villainy to the entire town. With his deception exposed, McFist could now dedicate his full strength to dismantling the Ninja.

Randy’s reliance on the Nomicon’s counsel deepened into an all-consuming dependence; he consulted it on every conceivable matter. To offer him a harsh lesson, the Nomicon ensnared him within its confines and imposed an alien consciousness u…

A miscalculation, a sudden shift, and Randy and Howard found themselves adrift in a past they never intended to visit. Their unintended arrival coincided with a pivotal moment – a chance to alter history. Unwittingly, they interfered with t…

For Randy and Howard, the only way to secure a return was to assist the original Ninja in defeating the Sorcerer. It was a necessary task, a condition for their safe passage home.