After Gus identifies the young man who mugged him, the mugger's brother begins a campaign of intimidation against the Witherspoon family to keep Gus from testifying in court; Molly and Bertha build an ant colony for a school project; Kris is overwhelmed when she studies for an important test.
Gus convinces Joe Kaplan to join his service club, but when Joe is blackballed for unknown reasons, it causes a rift between the friends; David's band gets a female drummer and David and J.R. both fall for her; Molly awaits a reply from Jason Bateman after writing him several fan letters.
Jessie becomes an advisor to the high school newspaper and allows a satirical article to run poking fun at student council candidates--including Kris; Kris is upset at being labeled a goody two-shoes; David and his friends decide to get their ears pierced; Molly and Bertha take up tap dancing.
David's band is offered a chance to record an album by a young music producer, but Gus believes it's a scam; Jessie feels guilty that she doesn't have the financial means to help David with his dream; Molly takes a cue from Ghandi when a cranky neighbor complains about Arthur.
Molly shoplifts to join a secret club; Kris takes a job; David gets a crash course in horseback riding to impress a girl; Gus is confused by his new romance; Mr. Kaplan damages one of Gus's toy trains.