A friend of the Morley's decides to play matchmaker for Glen and Katy. Mrs. Golden (a take on the famous Molly Goldberg character) meddle's in Glen's new relationship while making him think Katy has a boyfriend of her own.
It seems Katy is correcting Mr. Cooper at everything he does and it causes some tension. This makes him re-think about his position in the Morley household. Katy realizes this and tries to clear things up.
Katy meets an elderly man in the park who likes to feed birds. Turns out he was a respected economist under several presidents. He could help Glen with his fight against a cantankerous congressman.
Katy's cousin Helga comes with plans to be the first female congressional page. However, she soon falls in love with a young man and realizes a woman's place may really be in the home.
Katy wants to get closer to Glen and takes the advice of Mrs. Morley. However, she fails at every attempt to improve the relationship. Then Katy and Glen then daydream about what life would be like as a married couple.
A politico becomes a Professor Henry Higgins when he tries to groom Katy for a political position. However, his intentions are less than honorable, and Glen knows it. This makes Katy more determined to become the protege.
A playboy congressman asks Katy for a date and soon becomes infatuated with her. He wants to settle down once and for all with Katy as his mate, to Glen's dismay.
Glen and Katy welcome a newlywed couple to their home. However, the husband ends up spending the honeymoon working with Glen. This causes a rift in which Katy and Glen must work to get the couple back together.
Glen's college friend, a prince from Europe, comes to visit with his young daughter. The prince falls for Katy and asks for her hand. A drunken Glen challenges the prince to a duel in hopes of winning back Katy.
It's Mama and Papa Holstrum's 30th anniversary. However, Papa is going through a mid-life crisis, and Mama wants a divorce. Katy must bring them back together.
Katy comes to the defense of 3 Latin American men who are protesting their government. When she and Mrs. Morley gets arrested it causes a lot of embarrassment for Glen but teaches him an important lesson.
Katy and Glen get involved with a young, married girl named Sally. Katy agrees to fill in at Sally's job, as a belly dancer (a shock to Glen). Glen tries to tell Sally's dad, Congressman Stacy, that his daughter is married and expecting.
Glen is asked to speak about Christopher Columbus at the behest of a sexy Italian actress. However Katy and papa sabotage the event by saying Leif Ericson discovered America.
Glen's anthropologist brother returns home for a visit. He asks Glen to get him a government sponsored assignment in Africa. However, after meeting Katy, the younger Morley doesn't want to leave.
Steve has been acting strange lately. The women are convinced it's puppy love. Turns out it is, except Steve is in love with Katy. When Danny and his friends tease Steve, he leaves home in embarrassment.
Steve puts his reputation and Glen's in jeopardy when Steve does a school report on free love. Katy was reading a book on the subject. Soon the story is all over Washington.
A young friend of the Morley's stays over and teaches Steve about running a business. Steve takes in the payments and doesn't do the jobs. When his friend runs off with the funds, Steve is left holding the bag.
Glen is falling in love with a Washington socialite and it looks serious. She dislikes children and Katy must find a way for Glen to see the woman's true intentions.
Katy and Glen are a bundle of nerves as they're left alone in the house for the weekend. A romantic dinner at home turns into a nightmare causing a big fight. Thankfully two friends help bring Katy and Glen together again.
The Morley's host a young man who's supposed to be a super athlete. Turns out it's all a hoax, the boy is a weakling who's a better student than he is a sports figure.
Katy tries to play matchmaker with a senator's son and an ambassador's daughter. However, both fathers can't stand each other, putting a strain on the young couple's relationship.
A man protests outside the Morley house. He accuses Glen of not being on the side of the people. Soon Agatha and the man develop a friendship, much to Glen's chagrin.
While hosting dignitaries at the Morley home, Katy faints when she meets a European businessman. In a flashback, we learn he was her first love who promised to marry her and then didn't.
Glen keeps breaking dates with Katy because he's working on a new bill that would invest in computer technology. Meanwhile Katy ends up on a dating game show where she's matched up with a handsome man, which irks Glen.
Katy's niece, Ingrid, comes to visit. She is attracted to every man she sees and vice versa. Katy and Glen, who planned a day together alone, must now keep Ingrid on a short leash.
Katy becomes jealous when Glen's mother-in-law comes for a visit. Katy stumbles upon a diary that belonged to Glen's late wife and, in flashback, we learn how they met and what led to her passing.
Katy becomes the subject of local gossip after Danny writes a composition in school. He says that Katy slept in Glen's room one night and the story threatens Katy's nomination for a mother's group.
Glen faces a disturbance outside his house. An 18-year-old won't stop protesting until Glen considers lowering the voting age. Meanwhile, Katy takes pity on the boy who thinks Katy is the girl for him.
Glen returns to Minnesota for last-minute campaigning. His manager is taking more than a professional interest and when she gives Glen less-than-honorable advice it leads to problems between Glen and Katy.
Katy is so busy that Glen suggests she hire a housekeeper. Katy hires her friend who is looking for a new job. However, she is looking for a husband and is hoping to hook Glen.
Glen is entertaining the sultan of Iraq at his home and the man wants to make Agatha his newest wife. His son, the Shah, tried to do the same with Katy once before.
In a dream, senior citizens Glen and Agatha help celebrate Katy's 76th birthday. But this is one dream Katy doesn't want to come true - at 76 she's still a spinster.
Mr. Holstrum hopes Katy will persuade Glen on a road construction vote. She remains neutral. When Glen votes the opposite way Mr. Holstrum is offended and makes Katy leave the Morley home.
Glen invites a widow friend and her kids to Washington. However, their feelings for each other cause confusion and Katy thinks Glen would be better off marrying the woman instead of Katy.
Papa Holstrum is getting anxious about Katy and Glen. Katy dreams the whole family live in France and that life would be much different. But the dream soon turns into a nightmare.
Glen and Katy play matchmaker for their friends. The two marry quickly and try to do the same for Katy and Glen. However it ends up causing a fight between all four of them.
An opportunistic politician puts the squeeze on Glen for a favor, forcing the congressman to play politics. This causes Steve to lose respect for Glen. Now he must find a way to redeem himself.