Watch Cosby Season 4 Full Episodes

Hilton passes his advice along to Erica and Darien on how to keep the romance alive in marriage.

Hilton suffers from insomnia for several days, falling asleep during the day at inopertune moments, causing Erica and Ruth embarassment. When Hilton...

Griffin tries to encourage both his students and the Lucases to eat healthier foods.

A foster child in Erica's class wants to move in with the Lucases.

Hilton discovers that a former high school buddy is now homeless.

Griffin's inablity to deal with the return of his estranged father, who abandoned him 15 years earlier, causes problems in his relationship with...

For a school paper, Keisha discovers intriqing facts about Ruth's past.

Griffin, Erica and Darien try to convince a drug-addicted friend to enter rehab.

Hilton finds himself in the middle of a Bank Heist.

When Ruth teaches Erica how to play golf, a rivalry begins between the two women that even extends to cooking.

Darien's late arrival to an important family dinner causes a fight between Hilton and Ruth.

The cast presents a heartfelt tribute to Madeline Kahn, with clips highlighting her character Pauline.

Ruth and Pauline try to help save a friend's failing bookstore by annexing it to the Flower Cafe.

Erica visits a student's home to get his mother more involved in his education.

Griffin has a dream in which teachers are given the same elite status & salary as professional athletes or actors.

A strange woman comes to the shop under the impression that Hilton is her husband, Charlie.

Getting through a typical day is hard enough, but it becomes an ordeal for Griffin when everyone demands his time on the day he is preparing for a...

When Griffin tries to prepare for Y2K by installing a generator, he causes a premature blackout for the entire neighborhood.

Hilton urges Griffin to do something to replace his school's outdated textbooks, and Drica and Darien return from their honeymoon.

Hilton has to pay the wedding organizers for their services as Erica's wedding nears, but Ruth is more concerned with why the bride isn't falling...

Hilton falls asleep during an ""I Spy"" marathon. He dreams that he and his old partner Kelly Robinson have been put on a new case in Hong Kong. ...