Set at the Bobby Wasabi Martial Arts Academy, a strip mall martial arts studio and worst dojo in the under-performing nationwide Bobby Wasabi chain. Revolves around a ragtag crew of lovable misfits who welcome a hotshot skateboarder named Jack who will teach them about life, karate, and how to just plain kick it.
Rudy is excited when he learns he may be elected into Seaford High's Hall of Fame, but he then realizes that he has to finish high school first.
When Jack is offered a scholarship to the famous Otai Academy in Japan. Kim struggles to say good bye while Rudy is overjoyed. Meanwhile Jerry, Eddie, and Milton hold auditions for Jack's replacement.
Jack and Jerry both start working at a shoe store in the mall, but run into trouble when Jerry is promoted to manager and Jack isn't.
When Jack and Jerry save the lead singer of their favorite band and become his bodyguards, t they find out that one of the band members is out to get him. Rudy, Milton, and Eddie run Phil's restaurant while he is away.
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.
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.
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.
Rudy tells the origin story of the legendary Wasabi Code, taking the gang back in time to China where they learn about ancient versions of the Wasabi Warriors.
Kim returns from Japan with her sensei, Tomo, who's interested in hiring Rudy for a position at the prestigious Otai. He interviews the gang about their sensei and after hearing about the impact he's had on their lives, Sensei Tomo makes Rudy the offer of a lifetime.
Jerry 'The Sub Sinker' Martinez proudly drives away another substitute teacher.
The gang tries to help Eddie with his dream of becoming an archeologist.
Jack auditions to join a band to compete in a battle of the bands competition.
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 falls asleep watching an old Bobby Wasabi movie and dreams he and the gang are in a 70's disco-styled detective movie.
The gang is lured into competing in the Martial Arts reality Show, with Rudy as the show's host.
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.
The gang tries to stop Bobby Wasabi from marrying a woman with a reputation for stealing rich karate stars' fortunes.
The Black Dragons discover Jack's secret fear. Rudy meets a catwoman and tries to find out who she really is.
Jack and Kim are chosen to star in a new action movie. But they discover that they are not just acting in the movie but they are also living it. Their characters are enemies but they are bought together by a kiss.
The kids take care of the Principal's baby, but he crawls away, making them scramble to find him.
Jack feels replaced when Carson, an old friend of the gang's and Rudy's star pupil, returns to Seaford.
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.
After Jack lets Kim win in a fight, she demands a fair rematch. They fight in a virtual world in an arcade where neither of them hold back.
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.