A baby is abandoned at the Stone’s place.

A problem child takes refuge at the Stone’s house, and Donna tries to get through to him.

David Barker finagles a return to the Stone’s home for his birthday celebration.

When Mary comes home utterly dejected from a terrible first date, Donna and Alex each, in “Rashomon”-style, tell her about their first date.

David Barker is brought to Alex to be treated for rabies, and is invited to stay the night. Later, Jeff is left in charge of David, as everyone else will be gone.

Mary’s friend Babs confides in her that her parents are having troubles and may be divorcing soon. And, though she’s exaggerating, Donna is unaware of this and problems ensue in their family as a result.

Alex's roommate, Biff Jameson, comes to Hilldale, and though he charms the family and dazzles Jeff, Alex confesses to Donna that his old pal seems to be off from what he used to be.

When Mary and George get in a fight over him and her best friend Babs, Donna advises her on how to handle the situation.

Alex is hurt that Jeff likes the new neighbor.

Donna mistakenly accepts an invitation to 'culture vulture' Lydia Langley's cocktail party, at which Lydia mentions that she also conducts a book discussion group. She goads Donna into joining it and then reporting on Tolstoy's "War and Peace" at her first meeting. Donna then attempts to immerse the whole family in culture.

Alex and Donna chaperone Mary's date with a college man.

Little David Barker is very excited. His father is getting married and he hopes this means he can leave military school and live in a real home, but things don't work out the way David thought they would.

Jeff and his friends get into trouble when they are discovered using an abandoned house as a hang-out. This prompts Donna and the other mothers to create a nice meeting place for the children.

Alex lays down the law when Jeff and Mary slack off on their responsibilities at home and their schoolwork. Now Alex is furious when it appears that Mary didn't come home from a bowling date with Roger on time.

Alex's wild room-mate from college is getting married, and Alex is invited to the bachelor party. Donna doesn't like this idea at all.

Mary's friend Ginny lives in a mansion with a maid, a tennis court, and a swimming pool. Now Ginny is going to spend the weekend at Mary's house. What can Mary do to impress Ginny, with the Stone family having no maid, no pool, no tennis court, and with a wild unruly younger brother Jeff at home?

Donna heads to a Blaine Women's College reunion, and while she's away, Jeff adopts Duke, the dog.

Jeff wants a motor scooter like Gordie just got, but Alex won't agree to that. Gordie shows off his riding skill until he drives the scooter into a tree in the Stones front yard. Gordie proceeds to fake a leg injury that puts him in Jeff's bed overnight, with Donna taking care of him. Why would Gordie do that? Does it have anything to do with his new stepmother or his dad giving him anything he wants? Does Donna have an idea about how to help Gordie's mom with this problem? You bet she does!

Donna and Alex remember their honeymoon and this wonderful musical tobacco jar for Alex. When the jar is broken, unknown to one another Donna and Mary buy an identical replacement, Alex also finds another one, while Jeff glues the original tobacco jar back together! The Stones now own 3 musical tobacco jars!

Dr. Steinhaus is retiring as the head of the Board of Health. Donna thinks this is the perfect opportunity for Alex to have a position that offers him more regular hours and she intends to help him get it.

Income tax time, so Alex decides to save money and prepare his own taxes this year rather than have Harvey do it. When Alex figures out he owes money, he gets mad about a hat he thinks Donna bought for $49.50. When Harvey arrives at the Stone residence, having done Alex's taxes anyway and announces that Alex will be getting a refund, Alex's attitude becomes very pleasant indeed!

Turns out Harvey's wife Nora had Donna buy the hat, but it was for Nora!

The piano becomes a ""parking lot"" with everyone dropping things on it, like books, the newspaper, so Alex decides to sell it. All of a sudden Mary has a problem with that idea and won't let it go. She'll start practicing again, every day. It turns out a boy she'd like to date just loves to play the piano!

The school bully, Jocko, makes fun of Jeff being in the choir. Jeff starts ""pumping iron"" because it looks like there will be a fight. Can Mr. Trestle's sage advice possibly do Jeff and the guys any good and stop the conflict?

Iris advises Donna that it's up to the wife to keep the marriage going with surprises and changes every now and then. When Iris goes from blond to black hair, Donna decides to go Platinum Blond! But once she comes home with her new hair color, she decides not to show it to Alex. She avoids him and quickly changes it back to the color it was whew! What a close call!