Shirley has a first date with a pediatrician. At dinner, he orders the food so Shirley does not eat fat, cholesterol, salt, or other negative food items. She tries to discourage him from another date, but he is persistent.
Ruben has a burglar alarm installed in the Partridge home for their security. They keep setting off the alarm accidentally so much that everyone starts to ignore it. When a real burglar breaks in, no one realizes it is a real break in.
Classmate Cindy gives Laurie an envelope to give to a teacher. When Laurie does, the teacher says it is the stolen exam answers for math and blames Laurie for taking them. Laurie hopes that Cindy will confess it was her that took them.
A chicken fast food place wants the Partridges to appear in his commercials. Ruben signs the contract. The family agree because the commercial is supposed to be tasteful. However, there is a last minute change that is not so tasteful.
School finals are approaching and Keith has a problem in one course. America's heartthrob is failing Sex Education. The teacher seems to be picking on Keith and it takes some work to find out why it seems like that.
Shirley buys a $29 cuckoo clock from the local department store and charges it. When the bill arrives she's being charged $290. She goes to the department store and learns that their new automated system misprinted it. So the man in charge rectifies it. When her new bill arrives it says she owes $2900. She then closes her account at the store. Later someone from the collection agency says she owes the department store $29000. Also everyone whom she's been doing business like the grocery store where she cashes checks and her plumber have been getting word that her ...
Laurie comes home from school excited because her friend Phyllis asked her to be a campaign manager for student body president. The excitement changes to a constant battle when Keith announces he is running for president - against Phyllis.
A reclusive millionaire who's a fan of the Partridges pays them to perform for him at his home. And he follows them around buying out every show. Eventually they invite him to stay with them where he tries to keep a low profile.
The Partridges attend a lecture given by a mystery writer. The Partridges & author get into a discussion as to whether his stories are realistic. He makes them an offer - they can hide, and he will find them all within 24 hours.
During a practice session, a young boy walks into the garage. He & his family just moved into the neighborhood. The mother does not like show business and calls the police every time the family practices. A battle of wills ensues.
Danny has started following Keith and Laurie around all the time. He even tries dressing and acting like Keith. Ruben suggests he try baseball so he can be around kids his own age. Danny hates baseball, but turns out he is a good pitcher.
Shirley tells the children they have to start being nice to Ruben. But since he is not used to this new attitude, he thinks it is because they heard he is dying. The nicer they are, the more he thinks he is dying.
Keith does not have a date for a party and Laurie sets him up with one of her friends. The next day a popular girl at school misunderstands something Keith said and assumes he asked her to the dance. Now he has two dates for the same party.
The Partridges are on a cruise ship. Laurie meets a handsome, charming man who seems to have an interest in her. He say he is a rich heir, but his actions are not of a rich man. Keith thinks he is a jewel thief.
An ambassador, who is visiting the town, asks Shirley out on a first date. The date is a disaster starting with the ambassador being late and ending with constant business interruptions. When he asks for a second date, Shirley refuses.
At college, Keith enrolls in a sociology course. He is partnered with an older woman to work on a paper. He finds himself attracted to her despite the fact that she is not only older, but also married.
Shirley's mother (Amanda) and father (Walter) argue over Amanda wanting a job outside the house. She leaves home and goes to Shirley's home. Amanda gets a job with a service company, and Shirley hires a maid. Guess who is the maid?