With the help of Arnold, Willis gets everyone to leave the house so that he and Charlene can make love for the first time. However when the moment occurs, things do not go as smoothly as he expected.
Kimberly lands a modeling job at a department store which leads to her being selected for an upcoming modeling show in Paris. Drummond, initially dead-set against the trip, caves in and decides to take the whole family to Paris.
For his initiation into a club, Arnold attempts to steal a comic book from a store. When he gets caught, he and Drummond are shocked to learn that the comic is a collector's item worth $400 and he is charged with grand theft.
Tired of being treated like a child, Kimberly and a friend plan a ski weekend in which they will be staying with guys. She has a lot of explaining to do when Drummond and Willis drop by the lodge to surprise her.
Drummond is excited to learn that he will be honored as Athlete of the Year by his health club. Arnold and Willis, however, secretly do not share in his excitement as they are denied access to the health club because they are black and decide not to tell Drummond because they don't want to spoil his big night.
When it is learned that Drummond's upcoming construction project may be located on top of an ancient Indian burial ground, he faces protest from a Native American who threatens to go on a hunger strike if the land is built on. Arnold and Willis follow suit by going on a hunger strike of their own.
After Willis and Charlene have a fight, Arnold and Kimberly spot her at the movies with another guy. With Willis upset by this, Arnold comes up with a scheme to get them back together.
After Drummond cancels a family fishing trip to go on a business flight to Canada, Arnold begins to have nightmares which prompts Drummond to contact a therapist.
After being selected to play Abraham Lincoln in his school play, Arnold develops a case of stage fright. His confidence suffers even more after Kathy blows up at him when he tries to convince her to walk with her crutches.
When Drummond and his sister Sophia get word that a part of their building is on fire, they try to keep it a secret from the kids in hopes that it will be put out quickly without spreading.
Drummond's plan to tear down old apartments and replace them with luxury condominiums creates anger among one soon-to-be homeless elderly woman who refuses to leave the Drummond household.
Willis realizes the reason Charlene decided to date another boy is because Willis doesn't have a car and the other boy does. This leads to a decision that has far-reaching consequences for Willis and his relationships with both Charlene, the law and - when he finds out - his very angry father.
Aunt Sophia pleads with Drummond to get involved with an effort to address pollution, but Drummond stubbornly refuses. Then, Kimberly's hair turns green after washing it with dirty water.
After Willis saves Arnold from a falling piano, he gets annoyed by Arnold's tireless efforts to try and pay him back. So he come up with a plan to make Arnold look like a hero by staging a phony holdup at the garage he works at.
Willis, suffering from stress due to a hectic schedule, makes a false promise to Drummond that he will quit the school election, which stresses Arnold out when he finds out.
Arnold's self-consciousness over his short stature once again rises to the surface when he realizes all of his friends have girlfriends, but not him. Drummond has to convince his son that looks - or in this case, height - aren't everything.
