In Seaford High school the new kid ,Jack meets three boys, Jerry, Eddie and Milton and a girl named Kim. 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 convnce 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. Later Rudy let his secret slip and Jack quits until he hears the disapointment of his friends. Jack joins to win the tourtement. Jack competes against Kim, 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 particpate 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.

Kim is ecstatic when teen pop sensation Ricky Weaver shows up at the dojo to ask her to dance with him onstage 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. Throughout the episode, you can tell that Jack and Kim have feelings for each other. 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.

In this dream sequence, Jack as falled asleep watching an old 'Bobby Wasabi' movie. In his dream he and the gang are in a 70's disco-styled detective movie where Jack is trying to identify the thief of the Dragon's Eye necklace. Included in the drama are the Chief (Eddie), Snowflake Jones (Kim), Bobby Wasabi (Rudy), Milty Moondust (Milton) and the snitch La Boca (Jerry).

The Black Dragons want to destroy the mall’s annual Halloween Boo-Stravaganza. Jack assures the others that he’s not afraid of anything, including the Black Dragons. A Clown from Circus Burger causes Jack to flip-out showing that he does have one fear - that of clowns. Now the Dragons will stop at nothing to use that fear against him. Rudy meets a catwoman and tries to find out who she really is. We find out that she's much closer to Jerry than Rudy!

Milton falls for Julie but when her uncle, the head of a rival dojo, forbids them from seeing each other, they decide their feelings for each other are more important than the rivalry between their dojos. Jerry and Eddie compete to see who is the best rapper.

Milton accidentally stops a robber in his tracks at the mall. Joan the security guard awards Milton with a badge and makes him an honorary security guard, which at first goes to Milton's head where he daydreams about being a Captain America-type hero. Reality puts Milton against a group of robbers in the dojo that have defeated all who have come against them. Milton must power-up for real to save the day. Also, Rudy wants to learn to skateboard, and it's up to Jack and Kim to teach him without killing him.

Jerry gets the blame for a prank pulled by Milton and gets a detention on the day of the big tournament his entire family is attending. Milton disguises himself as Jerry and goes to the detention where he confronts the teacher's smug attitude. Rudy has to babysit Phil's goat and develops feelings for it.

Rudy, Bobby Wasabi and Falafel Phil go on a motorcycle road trip and while they are gone the gang has a wild party in the dojo where the prized Katana sword of Rudy vanishes. While Jack, Kim and Milton search for a sword stand-in, Jerry and Eddie are tasked with cleaning up the leftover mess from the party and it looks like the mess is winning. A roadhouse brawl leaves both Rudy and Bobby felling more alive than ever and Carlotta puddy in Rudy's hands.

Jack puts Jerry in the hospital by accidentally kicking him in the chest while getting ready for a speed board breaking competition. Eddie and Milton go to visit Jerry and wind up in the maternity ward where they mix up the babies. At first Jack quits the competition but Jerry will not hear of it. And across the mall Rudy wins a free-food-for-life contest at Falafel Phil's that was rigged to be unwinable, Falafel Phil must work fast to trick him out of the winnings.

In a homage to reality shows, the gang is lured into competing in the Martial Arts reality Show, 'Wasabi Warrior' created by Bobby Wasabi who's just loving the gong. Rudy is locked into the idea when he is made the show's host. There are secret alliances formed with Jack on the inital loosing end, only to come back thanks to an eating challange failure by Jerry. In the end the gang decide to drop out together with a surprise betrayal.

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.

Rudy flips a professional wrestler and becomes an internet sensation. Kim helps Milton when he thinks that Julie wants to kiss him.