Jack, the new kid at school, makes friends with Jerry, Eddie, Milton and Kim. who all do karate, joins the Bobby Wasabi Martial Arts Academy, and competes against their arch rivals from the Black Dragon dojo.
The kids discover that a school janitor was once a sumo wrestler and try to help get him back into wrestling. Rudy fights with Lonnie from Reptile World for a storage space in the basement of the mall.
The crew bands together to obtain an embarrassing video of Eddie before it goes viral on the internet.T Lonnie's pet iguana eats Rudy's prized grain of rice.
The mall owner's obnoxious son Arthur joins the Bobby Wasabi dojo, After an altercation with Jack, Arthur's dad threatens to turn the dojo into a parking lot if Jack isn't kicked out.
The gang helps Milton prepares for a live-action role-playing battle even though they think it's uncool. Jerry tries to impress Kelsey Vargas but keeps lying to her.
Jack recruits the former international movie star Bobby Wasabi to appear at Rudy's birthday party. Rudy takes a job at Reptile World to make ends meet.
Jerry signs the gang up for the “Hottest Dance Crew Competition” at the mall, but quickly learns they can’t dance. Rudy and Marge host an infomercial for Pocket Ninja but Rudy messes up.
Teen pop sensation Ricky Weaver asks Kim her to dance with him in concert, but Jack thinks his intentions are not honourable. Rudy and the rest of the gang form a boy band to open for Ricky Weaver.
The dojo wins a life-sized wax statue of Bobby Wasabi just as a heat wave hits town. Kim and Milton turn the mall courtyard into a beach and start charging for chairs and sunblock.
Rudy discovers his natural acting ability and hires Jerry as his manager. Milton’s perfect GPA is threatened when a baking assignment leads him to become a crazed tyrant chef.
Jack falls asleep watching an old Bobby Wasabi movie and dreams he and the gang are in a 70's disco-styled detective movie.
The Black Dragons discover Jack's secret fear. Rudy meets a catwoman and tries to find out who she really is.
Milton falls for Julie but her uncle, the head of a rival dojo, forbids them from seeing each other. Jerry and Eddie compete to see who is the best rapper.
After Milton accidentally stops a robber at the mall, he daydreams about being a Captain America-type hero - and gets his chance. Rudy wants to learn to skateboard, and it's up to Jack and Kim to teach him without killing him.
Jerry gets detention for a prank pulled by Milton, Milton disguises himself as Jerry and goes to the detention. Rudy has to babysit Phil's goat.
With Rudy on a road trip, the gang has a wild party in the dojo and Rudy's prized Katana sword goes missing. A roadhouse brawl leaves both Rudy and Bobby felling more alive than ever and Carlotta putty in Rudy's hands.
Jack's kick accidentally puts Jerry in the hospital. When Eddie and Milton visit Jerry they end up in the maternity ward - and in trouble. Rudy wins a free-food-for-life contest at Falafel Phil's that was rigged to be unwinable.
The gang is lured into competing in the Martial Arts reality Show, with Rudy as the show's host.
Jack enters the Junior world martial arts championships in China.and competes against his cousin Kai. Milton, Eddie and Jerry get lost after trying to find out the meaning of a fortune cookie they got.
After Jack turns down Kim’s invitation to be her Ball date, she asks Brody, a new kid in school. Rudy helps Eddie with the Explorer Scout’s Pinewood Derby.
When the gang's regular skate park closes, they ask Rudy to ask his former classmate, who owns a bunch of skate parks, to build one for Seaford High. But the place where it is going to built is the home of a rare rodent. Kim stands up to protect the rodent's home and at first Jack disagrees with her. Luke pretends he is going to protect the rodent but is really going to get rid of it to build the rink to sell his merchandise. Jerry and Eddie become the testers of skating gear to impress some cute girls.
When Kim falls asleep watching a Halloween movie, she dreams that all her friends have turned into zompyres - a cross between zombies and vampires. Kim has to battle through, which is tricky, because she feels she is hurting her dearest friends - especially Jack. Her mission is to travel to Dr. Krupnick's home, (Milton is only one of her friends who isn't a zompyre) who has the only zompyre antidote.
Rudy leaves the dojo because of a new job that he can't say no to, and Ty and the Black Dragons end up buying it. They demote all the Wasabi Warriors to white belts and the five say good-bye and leave the dojo. When they meet each other again, after three months, they have all grown apart, and Kim has a boyfriend Brett. Ty tells Rudy that in order to gain the dojo back, the two dojos must compete against each other. Milton brings in his Aunt Jillian to get everyone in shape. Later at the tournament, the two dojos are at a tie, and to win the dojo Rudy has to go up against Kofi Kingston. Eventually he beats Kofi, and they win the dojo back. Kim breaks up with Brett telling him she "has feelings for someone else (Jack)". Jack overhears, and the episode ends as Jack and Kim skip practice to go on a date.
Milton is given the responsibility of looking after the Shaolin temple. Kim then decides to throw a Halloween party at the temple making Milton mad until he is possessed by the spirit of Yoshimi who is looking for his lost love. Meanwhile, Rudy and Sam try to make Bobby like Halloween after Bobby had a traumatizing Halloween experience as a child.
Milton borrows his dad's classic convertible to impress his ex-girlfriend.
A documentary crew comes to film the dojo for a day, and Rudy takes advantage to make himself look good. Jack, angry that Rudy won't give him the sensei test, retaliates by convincing Rudy's grandmaster to fake being a fraud, demoting Rudy back to white belt. But Jack discovers that running the dojo is hard work. Meanwhile, after Jerry pranks him one time too many, Milton goes too far with pranks, not only on Jerry, but on the camera crew as well.
When Jerry disrespects Jack's authority as a sensei and throws an unauthorized party at the dojo, Jack suspends him from taking his black belt test. A frustrated Jerry makes a wish that Jack never came to the dojo, and when it comes true, he sees what life would be like if Jack had never been a Wasabi Warrior.