Disney XD's second season of Randy Cunningham: 9th Grade Ninja was confirmed in early 2013. It started when two episodes had early releases on July 19, 2014, and it officially aired on September 29, 2014. The season finale aired on July 27, 2015.
What the juice?!? The legend of Randy Cunningham: 9th Grade Ninja continues at Norrisville High with the NinjaNomicon in hand. Randy sabotages Norrisville’s new water slide, accidentally unleashing the Shark-Dermanator! Catfish Booray returns to Norrisville High as a substitute teacher under the control of the Sorcerer. And when Randy and Howard discover their laser tag skills are wonk, they decide to use Ninja-ing to even the playing field!
When Randy and Howard don't want to admit they are too scared to ride Norrisville's newest waterslide, the Ninja sabotages it and inadvertently releases one of Viceroy's earliest creations.
On the hottest day of the year, Mort Weinerman is finally able to build Randy and Howard's dream pool, thanks to his new promotion he received for building a robot that'll destroy the Ninja for McFist.
Randy and Howard are psyched to rock out with pop star Levandar Hart, but they are unaware that Levandar is secretly plotting his revenge for being kicked out of their band.
Randy can’t resist tormenting Howard on Halloween by telling the scary story of the terrifying Mudfart and inadvertently brings the maniacal Mudfart back to life.
Randy’s fake sick day creates more trouble than he bargained for after Howard attempts to get his best friend back to school to avoid eating lunch by himself.
When Randy and Howard’s fake “Chuck-a-Cabra” video gives them instant celebrity, it draws the attention of monster hunter Brawn Brickwall who tries to horn in on their glory by noogie-ing the beast.
Randy and Howard are forced to go to Saturday school, and Howard discovers that he is a genius on the weekends. Randy uses Howard’s new smarts to figure out a way to get them out of going to Saturday school.
Ninja decides to spend the day with Rachel, his biggest fan, after she performs a sweet song she wrote for him. But he ends up taking her for granted and turns her against him.
Ninja and McFist crash land on the most dangerous place in Norrisville, and they are forced to work side by side if they want any hope of escaping the ruthless bots of Scrap City!
When Randy and Howard get Principal Slimovitz fired, a computer-based program takes his place and traps the students in a simulated world of forced learning.
When Principal Slimovitz threatens to split Randy and Howard up unless they improve their grades, the boys try to convince him that an apocalyptic prophecy will come true if he does.
Randy ninjas out to get McFist tossed from the chilliest island resort on Lake LaRusso, and McFist returns to make things incredibly un-chill for Randy.