Hilton gives Erica and Darien advice on keeping romance alive in a marriage.
Hilton's family insists that he find out the root of his insomnia before they all begin losing sleep.
Griffin is determined to get his students and the Lucases to eat healthy foods.
A foster child in Erica's class asks if she can move in with the Lucases.
Hilton finds out why his high school buddy is now a homeless man.
Griffin's inability to deal with the return of his estranged father causes problems in his relationship.
Keisha uncovers intriguing facts about Ruth's past during a school assignment.
Griffin, Erica and Darien stage an intervention for their drug-addicted friend.
Hilton finds himself in the middle of an elaborate bank heist.
Erica begins beating Ruth at golf, creating a mother-daughter rivalry.
Darien's late arrival to an important family dinner creates tension.
The Cosby cast presents clips highlighting Madeline Kahn's character Pauline; the cast speaks about Madeline Kahn.
Ruth and Pauline help save a friend's bookstore by annexing it to the Flower Cafe.
Erica visits a student's home to get his mother more involved in his education.
Griffin dreams that teachers are given the same elite status and pay as professional athletes; guests Ahmad Rashad, Greg Gumbel, Bryant Gumbel, Mary Hart, Bob Goen, Patrick Ewing, Jerry Rice, Doug Flutie, Elmo and Emeril Lagasse.
A strange woman is under the impression that Hilton is her husband.
Everyone keeps interrupting Griffin (Doug E. Doug) as he tries to prepare for a date. With Bill Cosby and T'Keyah Crystal Keymah.
Hilton and the gang experience what may prove to be Y2K consequences when the entire neighborhood loses power.
Hilton urges Griffin to do something about the school's outdated, inaccurate textbooks; guest Wallace Shawn.
As Erica's wedding day arrives, Hilton has to pay all of the wedding organizers for their services.
Hilton dreams that he and a friend (Robert Culp) are living through an episode of 'I Spy' in Hong Kong.
Griffin has trouble trusting his girlfriend; Hilton remembers being in the Navy, away from Ruth.
Erica informs Hilton that she and Darien will be getting married and moving in.
Hilton stumbles into the office of Dr. John Becker (Ted Danson) after his car breaks down.
Hilton is stunned when 11-year-old Jurnee comes home intoxicated.
Hilton's friend Tim (Tom Poston) is evicted after staging a rent strike.
Hilton (Bill Cosby) volunteers as a reader for a blind, former English professor (guest star Anthony Quinn). With Phylicia Rashad and Madeline Kahn.
Hilton is confronted by the Bard, who tries to get him to understand the true meaning of Shakespeare's words.
Jurnee's dad (Sinbad) dates the meanest teacher at school; guest Robin Givens.
Hilton helps an old friend (Ossie Davis) find his lost love (Ruby Dee).
A special animated sequence highlights Hilton and Ruth's Valentine's Day retelling of their first meeting.
Hilton's state-of-the-art CD player is missing.
Griffin (Doug E. Doug) considers abandoning the teaching profession after a horrible day as a substitute teacher. Bill Cosby stars.
Hilton goes on a rampage after his fridge breaks down and is unable to get a part for it; Ruth tries golf.
Del's new girlfriend lies about her past.
Hilton's old Navy buddy (Julius J. Carry III) asks to borrow money.
Hilton benefits when Martha Stewart leaves a turkey costume at the cafe.
A woman sues Hilton for spilling hot coffee.
Hilton must resist his favorite foods and begin exercising after being diagnosed with high cholesterol.
Amateur psychologist Hilton theorizes about a playground incident.
Griffin uncovers a hidden talent for teaching when he accompanies Hilton to Jurnee's school for Grandparents Day.
Ruth is furious to find a cache of gifts she has given Erica over the years.
Ruth's icy reaction to his gracious offer has Hilton baffled.
Hilton misses Erica's latest ex, a handsome, well-educated jazz musician.
Hilton (Bill Cosby) sees his dream of privacy go up in smoke when Griffin's (Doug E. Doug) house burns to the ground. With Phylicia Rashad.
Hilton coaches Jurnee's dad (Sinbad) for a facts-of-life discussion.
Ruth is president of the Businessmen's Roundtable, and Hilton, the ladies auxiliary; guest Tony Bennett.
The Lucases play Cupid for smitten Griffin.
When Ruth and Hilton have a major fight they assess the changes in their lives.
Erica (T'Keyah Crystal Keymah) and her friends take Ruth's (Phylicia Rashad) dating advice and go looking for a few good men. With Bill Cosby.
Hilton gets last-minute tax help from a very young accountant; Ruth and Pauline apply for a small-business loan.
Hilton doesn't realize that the lead character in Pauline's play is a thinly veiled portrayal of him.
Hilton has to retrieve his handmade gift for Ruth, which was accidentally switched with the work of a famous artist.
New York's dullest guy, Hilton, is invited to appear with Letterman.
After inheriting a boat, Hilton spends three very cold nights sitting in the parked ship with Griffin.
Griffin hires Hilton to narrate children's books on tape, but isn't happy when he starts changing the stories.
Hilton lets a Brazilian girls choir use the closed coffee shop for a get-together.
Sexism abounds when the boys basketball team Hilton and Griffin are coaching plays a girls team coached by Ruth and Erica.
Ruth thinks Hilton is having an affair when Griffin impersonates his father on the phone to seduce a woman.
Ruth gives reluctant Hilton tap-dancing lessons for his birthday; guest Maurice Hines.
An article written by Ray Barone about his father's winning shot in a high-school game has Hilton foaming at the mouth.
Hilton and Griffin find themselves aboard a plane with a deranged passenger (William Shatner).
Ruth's obnoxious sister-in-law (Debbie Allen) brags continually about her daughter's wedding plans; guests Busta Rhymes; Rhonda Ross Kendrick.
As the first one sick and the first one cured, Hilton has to take care of the rest of his ill family.
Ruth thinks that Hilton made Pauline break up with her new boyfriend.
Unwitting Hilton joins a basketball team for gay men.
When Hilton and Griffin get on each other's nerves, they challenge each other to a contest of willpower.
Hilton sets strict house rules for Griffin and Erica.
Hilton brings coffee and cookies to the struggling flower shop and hits pay dirt.
Hilton's peaceful life is shattered by the arrival of Erica and Griffin as housemates, and by a new preschool next door.
When a bureaucratic glitch declares Hilton dead, he must prove otherwise to the government and his new employer.
Erika's TV-producer boyfriend regrets giving Hilton a job on a children's show.
Ruth arranges a blind date for Pauline; Hilton advises Griffin about romance.
Ruth gets a chance for the spotlight when a superstar buddy (Patti LaBelle) comes to town.
Hilton has a wonderful time giving advice to his therapy group.
Ruth and Pauline assume that Erica is pregnant when they find a positive pregnancy test in her garbage.
After 30 years, Hilton and Ruth decide to finally have a formal wedding, but their plans go wrong again.
Hilton and Ruth consider moving to sunny Florida when a blizzard makes New York look much less attractive.
Hilton (Bill Cosby) tries everything to get Valentine's Day tickets for a Jeffrey Osborne concert.
After pursuing Erica (T'Keyah Crystal Keymah) for 10 years, Griffin (Doug E. Doug) decides that it is finally time to give up. With Bill Cosby.
Hilton tries to improve a friend's feather business, while Ruth and Pauline attempt to land their own big account.
Hilton calls a radio talk show and gets invited to dine with the president.
Hilton (Bill Cosby) hits the gym a little too hard while trying to get in shape for a physical examination. With Phylicia Rashad.
Hilton's brother (Roscoe Lee Brown) is in town for an honorary degree.
Security guard Hilton deals with a robber and the Yankees; with Joe Torre, David Cone.
Lucky ticket-holder Hilton will win $1 million, if he can make a free-throw; guest Penny Hardaway.
Hilton helps the nude model from his art class.
Hilton gives Pauline's young cousin Wendy a lesson in money management when she shows up crying on the doorstep.
Hilton gets caught in his own lie when he tries to get out of attending a wedding.
Hilton's (Bill Cosby) antique-store job is part of a sting operation.
The airline from which Hilton was laid off announces it is hiring back thousands of released workers.
Hilton runs amok on honest citizens after he organizes a neighborhood watch program.
Hilton (Bill Cosby) expects a retirement surprise party from his former employer.
Corporate downsizing forces Hilton Lucas into retirement and under foot.