Alex escorts a pretty socialite to a dance at her country club.
With Steven and Elyse away for the weekend, Alex hosts a wild party and worries over Mallory going off with one of his womanizing friends.
Jennifer gets picked on when she befriends a boy at school.
Seduced by an "older woman" of twenty-one, the hitherto inexperienced Alex is devastated to learn that she thinks of their relationship as casual.
A visit from Steven's father evokes confrontation between the two.
Mallory is horrified and confused when a close family friend and older business associate of her father's makes a pass at her.
As the new editor of his school paper, Alex uncovers a cheating scandal and to everyone's chagrin, prints a list of students who were caught including Mallory.
To the dismay of the Keaton children and their equally conservative grandparents, Steven and Elyse take time out Thanksgiving Day to attend an anti-nuke rally-and end up spending the holiday in jail.
Though Alex loves working at Mr. Adler's "Mom and Pop" grocery store, to the old man's dismay, he quits to "climb the corporate ladder" at an ultramodern supermarket.
The Keatons consider buying a gun for protection after getting burglarized.
When a blizzard forces the Keatons to spend Christmas at home, Elyse's gift to Steven an album filled with fascinating old photos sparks flashbacks to the births of their three children.
Mallory resents Elyse for the advice she gives her pregnant friend.
When popular sorority girl Sherry Marshall befriends Mallory to get close to Alex, Mallory brings them together in hopes of joining Pi Nu but her plan backfires.
Elyse's younger brother and Alex's idol, Ned, makes a surprise visit. However, everyone is puzzled by the go-getter corporate executive's suspicious behavior.
With the FBI hot on Ned's heels for embezzling 4.5 million dollars in corporate funds, Elyse's ethical brother and Alex's idol tells the family why and where he hid the money.
Alex amasses a bundle by playing the stock market on paper for his economics class, and courts disaster by secretly investing his father's money.
Mallory's handsome but shy French tutor, Jeff, finally musters up the nerve to ask her out and then courts disaster by enlisting Alex's advice on how to behave on the date.
As Big Brother to a 10-year-old Vietnamese boy, Alex tries to mold Ming into his own image, and he learns an unforgettable lesson when he breaks a promise to the adoring child.
Soon after freelance architect Elyse Keaton hires her friend Suzanne Davis to handle clerical chores, she wants to fire the under-qualified, overly aggressive secretary.
Alex gets stuck babysitting for his little sister Jennifer, who is fed up with feeling in the way at his poker game and decides to disappear.
While gearing up to face the television cameras as captain of his high school's team on "Quiz-Em", Alex panics at first when a teammate drops out and then launches a tutoring program a la Eliza Doolittle for his sister Mallory.
Elyse gets so wrapped up in work that she neglects her family.
