Restaurant-equipment dealer Harry Boyle helps a sexy female customer move into her apartment, prompting everyone around him to think that Harry is cheating on his wife, Irma.

Chet befriends a hippie musician, which drives his family crazy and prompts Ralph and his anti-Communist Army buddies to create a wall around the neighborhood to keep out all hippies, alleged Communists, subversives, and free-thinkers.

The Boyles rent a beach house, but things get complicated when Alice wants to wear a string bikini and Harry must decide whether or not to press charges against a nude sunbather who will not leave his property.

Harry gets into trouble with special-interest groups when he fires his Jewish driver and must choose between hiring someone who is right for the job versus hiring someone in order to comply with the dictates of affirmative action and diversity.

Alice shocks her family again by dating a homeless man named Norman, but when Harry and Irma find out that Norman has rich parents, they push Alice into staying with him.

Harry gets mugged and beaten in the park by a young criminal. While Harry and Ralph want the young criminal to be locked away, Chet and Alice want Harry to go soft on his assailant since it is his first offense.

Harry gives his slacker son, Chet, an ultimatum: either find a job and pay rent or get out of the house. Chet decides to find a job — and ends up earning more than his father as a hardware-store grunt.

Chet dates a young, attractive decent young woman named Prudence and brings her home to meet Harry and Irma...and ends up shocking everyone when he tells Prudence that he does not want to marry her.

Jamie brings home a pet mouse. After being told that he can't keep it, the mouse escapes. Jamie blames Harry, and then he runs away.

Chet angers his parents when he tries to bail out of being enlisted in the Army.

Irma worries that she may be pregnant again, which does not sit well with Chet and Alice, who feel the world is too overpopulated.

The Boyles are tricked into buying a crummy car, and fight back against the man who sold it to them.

The Boyles consider moving into a bigger house, but Harry does not have the money for it.

Ralph starts a neighborhood vigilante group in order to fight back against a burglar who has been breaking into houses in the Boyles' neighborhood.

In an attempt to be more than just a housewife and mother, Irma takes a job as a secretary at a law firm, but struggles with sexual discrimination and competition from a younger, prettier coworker, while Harry and Ralph worry that women in the workplace will lead to men being treated like sex objects and second-class citizens.

Harry is sent to the hospital after suffering from stress-related stomachaches.

Harry builds a swimming pool for his family, but the neighbors end up using it.

Irma wants Alice to have an extravagant 16th birthday party, but Harry is too cheap to do it.

Alice runs away to a hippie commune to escape the stresses of school and home life.

Chet and his friends get famous as a hot, new garage band, but Chet soon learns that fame is fickle.

Harry splits his pants after slipping in a restaurant. Everyone advises Harry to sue, but Harry just wants a new pair of pants.

Harry goes to New York on business, and takes Ralph with him.

Newlyweds Mona and George experience trouble in paradise when they fight over a new couch. The Boyles must get Mona and George back together when George moves in with the Boyles.