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.

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.