In Seaford High School, the new kid Jack meets three boys, Jerry, Eddie and Milton. They all do karate and Jack joins Jerry, Eddie, and Milton at lunch, and soon are picked on by red belts in the Black Dragon Dojo and Jack tries to settle things and gets in a fight with kids from the rival dojo, the Black Dragons, that at the time, Kim was a member of the Black Dragons. Jerry Eddie and Milton learn from their sensei, Rudy, that the Bobby Wasabi Martial Arts Academy is in danger of closing. So Jerry, Eddie and Milton convince Rudy to get Jack to join after he crashes through the wall. Rudy lies to Jack and says he will go to juvie if he does not join and helps them get 2 belts, the dojo will close down. Later Rudy let his secret slip and Jack quits until he hears the disappointment of his friends. Jack joins to help them win the tournament. Kim competes against Jack, but after the Sensei for the Black Dragon cheats, Kim quits and does not fight Jack. Jack does a Bobby Wasabi move to win the tournament and keep the dojo running. Also in this episode, Kim from Black Dragon changes to Bobby Wasabi`s dojo.
After Milton almost falls trying to place his spelling bee trophy next to Jack's Gymnastics trophy, he is caught by one of the janitors, who the kids eventually find out is a former sumo wrestler. After getting him fired because Milton asked to see his victory dance, and Milton defends Mr. Nakamura talking the principal by saying things he was not supposed to say, the kids decide to help get him back into wrestling by inadvertently having him wrestle the guy who cost him his title. Meanwhile, Rudy fights with Lonnie from Reptile World for a storage space in the basement of the mall, after the closing of a magic store. Lonnie gets the space but later gets crushed by Nakamura.
Truman, a bratty kid whose dad controls the mall's security, captures a video of Eddie practicing for the school dance with a punching dummy. In order to protect Eddie from online embarrassment, the crew bands together and uses Jack's martial arts skills and Jerry communication with dog skills to sneak into Truman's dad's office and obtain the evidence. Meanwhile, Lonnie's pet iguana eats Rudy's prized grain of rice, so they try to get it back by tricking the iguana that the seasons are changing.
Arthur, the obnoxious son of the new mall owner, joins the Bobby Wasabi dojo, and Rudy bends over backwards to please him. But Arthur rubs everyone the wrong way, and after an altercation with Jack, Arthur's dad forces Rudy to kick Jack out of the dojo or he will bring in a wrecking ball and turn the dojo into a parking lot. Rudy proves his loyalty to Jack and the gang by chaining himself inside the dojo. Mr. Turner just brings the wrecking ball to scare them away. The gang does not leave, though, and they get to keep the dojo. Kim tries to get better stories to document on the news team.
Milton prepares for a live-action role-playing battle (L.A.R.P.) but his friends don't want to participate because they think it's uncool (except for Rudy who thinks it sounds like fun). But after thinking of all the things Milton has done for them, they decide to join him and show up just in time to help him beat the Dark Knights and win the game. Meanwhile, Jerry tries to impress Kelsey Vargas but keeps lying to her.
Rudy throws himself a birthday party, and an unprepared Jack scrambles for a gift. When Kim reveals her gift to Rudy, an autographed picture of Bobby Wasabi, Jack one-ups her and recruits the former international movie star Bobby Wasabi to make a surprise visit. Unfortunately, Rudy doesn't recognize his hero and is fired from his job after he accidentally flips Bobby. So Jack and the gang visit Bobby's mansion to convince him to rehire their sensei. Jack and Kim are with each other most of the episode, including them fighting ninjas with each other. 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. Smooth (Roshon Fegan), the leader of the reigning champs, the Step Brotherz, offers Jerry a spot on his crew and he eagerly joins. But when Smooth steals Jerry’s signature dance move for the competition, Jerry realizes he betrayed his friends. Meanwhile, Rudy and Marge host an infomercial for Pocket Ninja but Rudy messes up.
Kim is ecstatic when teen pop sensation Ricky Weaver shows up at the dojo to ask her to dance with him on stage at his upcoming concert. But after Ricky brags to Jack about his track record with girls, Jack tries to warn Kim about Ricky’s intentions. Kim eventually realizes what a jerk Ricky is and apologizes to Jack. In the end, Jack asks Kim if she wants to go out to eat and she says yes. Meanwhile, Rudy and the rest of the gang form a boy band called the “Black Belt Boys” and try to open for Ricky Weaver.
As a reward for winning the Bobby Wasabi Inter-Dojo Tournament, Bobby sends over a life-sized wax statue of himself. When a heat wave hits the town, the gang must do everything they can to prevent the statue from melting. Meanwhile, 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, but when Rudy freaks out during the audition, Jack tries to help him out and ends up booking the lead role of Pomegranate Man. Meanwhile, Milton’s perfect GPA is threatened when a baking assignment leads him to become a crazed tyrant chef.
When Jack falls asleep watching a Bobby Wasabi movie, he dreams that he and the rest of the gang are in a 70′s disco-themed detective movie. Jack must try to crack the case of sassy damsel, Snowflake Jones' (Kim), missing Dragon's Eye necklace. Against the wishes of the Chief (Eddie), Jack sets out, with the help of his partner Bobby Wasabi (Rudy), and questions the potential suspects, including a glam French horn rock star named Milty Moondust (Milton) and La Boca the snitch (Jerry). It turns out to be Chief Eddie.
The Bobby Wasabi gang is determined to stop the Black Dragons from ruining the mall’s annual Halloween Boo-Stravaganza. Jack assures the others that he’s not afraid of the Black Dragons, or anything else for that matter. But when a sales rep from Circus Burger enters the courtyard, Jack comes unglued, revealing his biggest fear- clowns. When the Dragons use their newfound discovery against him, Jack tries to take down the posses blindfolded with the help of his friends. Meanwhile, Rudy meets a mysterious woman in a cat costume and tries to find out her true identity. In the end of the episode, Rudy finds out she is Jerry's mother, much to Jerry's shock.
Milton falls head over heels for Julie, a girl in his chemistry class so Jack and Kim try to get them together. But when Julie's uncle, Sensei Ty from the Black Dragons, bans them from seeing each other, Milton and Julie decide their feelings for each other outweigh the rivalry between their dojos. Meanwhile, Jerry and Eddie vie to be the best rappers.
After Milton accidentally thwarts a robbery in the mall, Joan gives Milton a badge and makes him an honorary security guard, but Milton's newfound power is put to the test when a band of robbers steal from the dojo. Meanwhile, Jack and Kim teach Rudy to skateboard.
Jerry gets detention after he takes the heat for Milton's prank; so Jack and the gang try to find a way for Jerry to escape. Problems rise when detention lands on the same day as the big tournament his family is planning to attend, so Milton disguises himself as Jerry so he can compete. Rudy has to watch Phil's goat after doing him a favor and develops feelings for it.
When Rudy goes on a road trip with Bobby Wasabi and Falafel Phil, the gang throws a party in the dojo where Rudy's prized Katana sword goes missing. Jack, Kim and Milton need to quickly find a replacement before he returns. While they do that, Jerry and Eddie were cleaning up the dojo when they found out that a grape juice stain was stick on the wall.
While practicing for a speed board breaking competition, Jack accidentally kicks Jerry in the ribs and he ends up at the hospital where Kim volunteers as a candy striper. While visiting, Milton and Eddie find themselves in the maternity ward and accidentally get the babies mixed up, and Jack feels guilty for kicking Jerry in the ribs so he quits the breaking board competition Meanwhile, Rudy wins free-food-for-life at Falafel Phil's but Phil doesn't want anyone to win the free-food-for-life.
The gang competes in Bobby Wasabi’s new martial arts reality show ‘Wasabi Warrior,’ hosted by Rudy, where the close knit friends form secret alliances without Jack because they worry that he is the biggest threat to all of them. But soon after voting Jack off, Jack finds a way to get back in the game. Meanwhile Jerry, Milton, and Eddie find out that Kim is planning to get them all voted off the Game show.
Jack goes in the Junior world martial arts championships in China. However, there he comes face to face with his cousin Kai, the only person who has ever beaten Jack. Later, Jack is unsure if he can beat Kai. Meanwhile, Milton, Eddie and Jerry get lost after trying to find out the meaning of a fortune they got.
After Jack turns down Kim’s invitation to be her date at the Swan Court Cotillion Ball, she asks Brody (Billy Unger), a new kid in school. But when Jack suspects that Brody is from the Black Dragons, the gang springs into action to tell Kim the truth. Meanwhile, Rudy helps Eddie with the Explorer Scout’s Pinewood Derby.
Out of anger, Rudy flips a professional wrestler and becomes an internet sensation. Jack gets in a fight at school under the influence of Rudy and gets detention. So, to settle things with the professional wrestler, Rudy decides to wrestle against him in a match. But when Rudy is overtaken during the match, Jack jumps in to help. Meanwhile, Kim helps Milton when he thinks that Julie wants to kiss him, and ends up kissing Milton out of pure exasperation.
Rudy must fight for his job when he is replaced as Sensei by a futuristic robot, the Wasabitron 3000. Milton and Eddie build their own robot to try and destroy the Wasabitron 3000.
Milton thinks that Jack should be the new kicker for the Seaford High football team but he doesn't make it and discovers that Milton can kick the ball really well and becomes the new kicker but the thing is after a couple of days of being a legendary jock Milton realizes that he doesn't want to be a jock anymore but the only reason he is still doing it is because Jack, Kim, Eddie, Jerry and Rudy all get something from it. Meanwhile, Eddie asks out Grace but it's not really working so to help him Jerry gives him advice to ask Grace out and Rudy teaches Phil about being a real sports fan but not knowing about it Phil becomes a fan of the opposite team than Rudy's.
The gang tries to save up their money to buy a go-cart that they can all share, but Jerry decides to get a job at "Meatball King" in order to buy the go-cart for himself. But he finds out that the "Meatball King" is a criminal who forces people to buy meatballs. Eddie thinks he accidentally stole something.
The gang keeps attempting to win on their schools basketball team, but they always lose. They soon find out that the world famous Harlem Globe Trotters are coming for a special contest. They thought that they might have an advantage because Big Easy, one of the members, is supposedly Eddie's uncle. But, when Eddie accidentally wins the contest, he is faced with the fact that they are not related. So, with the help of Jerry, he convinces Big Easy that they are related. Which at the end of the episode, Eddie finds out that he knew all along that they weren't related.