Episode	Production	Airdate	Title	Notes
177	0801	September 19, 1991	With This Ring?	18 year old Vanessa reveals that she is engaged to a 29 year old Head Caretaker of her University . . . and has been for six months. First appearance of William Thomas, Jr. as Dabnis Brickey.
178	0802	September 26, 1991	There's No Place Like This Home	Cliff announces plans to add a new room to the house for Clair . . . and only Clair. Sondra and Elvin are on the verge of purchasing their first house.
179	0804	October 3, 1991	Particles in Motion	During his first parent-counselor meeting, Theo and a single mother discover mutual attraction. Rudy meets Stanley and the two are immediately smitten with each other, much to the chagrin of a jealous Kenny. Deon Richmond as Kenny. Merlin Santana as Stanley. Guest appearance by Saundra Quarterman. First mention of Cliff's season-long project: fixing the front doorbell.
180	0803	October 10, 1991	Pam Applies to College	Pam begins to realize that, because of her below average grades earlier in high school, she will not be able to attend the same college as her best friend. Absent: Keshia Knight Pulliam as Rudy Huxtable, Tempestt Bledsoe as Vanessa Huxtable, Malcolm Jamal Warner as Theo Huxtable, Sabrina Le Beauf as Sondra Huxtable Tibideaux and Geoffrey Owens as Elvin Tibideaux. Guest Stars: Karen Malina White as Charmaine. Allen Payne as Lance.
181	0808	October 17, 1991	Warning: A Double-Lit Candle Can Cause a Meltdown	Anxious to see a famous rapper, Rudy and her friends lie to their parents in order to get into a club for 16 year olds and up. Cliff and Clair secretly send Pam, Lance and Charmaine to keep an eye on them. Absent: Raven-Symone as Olivia Kendall,Tempestt Bledsoe as Vanessa Huxtable, Malcolm Jamal Warner as Theo Huxtable, Sabrina Le Beauf as Sondra Huxtable Tibideaux and Geoffrey Owens as Elvin Tibideaux. Guest Stars: Karen Malina White as Charmaine. Allen Payne as Lance. Guest appearances by rapper Special Ed and actor/rapper Daryl "Chill" Mitchell. Directed by Malcolm-Jamal Warner.
182	0805	October 24, 1991	It's Apparent to Everyone	Winnie and Nelson drive Cliff and Clair crazy around the house while Elvin and Sondra wait to move into their new house. Absent: Tempestt Bledsoe as Vanessa Huxtable, Malcolm Jamal Warner as Theo Huxtable, Keshia Knight Pulliam as Rudy Huxtable and Erika Alexander as Pam.
183	0807	October 31, 1991	The Iceman Bricketh	Vanessa's grandparents Russell Huxtable and Carrie Hanks are desperate to meet her fiancé Dabnis, who bonds with Cliff over a plumbing job. William Thomas, Jr. as Dabnis.
184	0806	November 7, 1991	Olivia's Field Trip	Cliff chaperones Olvia's field trip to the museum; Theo falls victim to a scammer while ordering T-shirts for the community center. Wallace Shawn as Jeffrey Ingalls.
185	0809	November 14, 1991	For Men Only	Cliff teaches a class "for men only" at the community center.
186	0812	November 21, 1991	Olivia Comes Out of the Closet	Olivia tries to delay Martin's return to Asia. Last appearance of Joseph C. Phillips as Martin. Miriam Makeba appears as herself.
187	0810	December 5, 1991	Two Is a Crowd	Vanessa and Dabnis have relationship problems, as do Rudy and Stanley. William Thomas, Jr. as Dabnis. Merlin Santana as Stanley. Deon Richmond as Kenny.
188	0813	December 19, 1991	Clair's Place	As Christmas approaches, Clair gets a wonderful present: the completion of her special room.
189	0814	January 2, 1992	Theo's Future	Theo is accepted to graduate school at NYU, but faces a tough decision when he is unexpectedly offered a chance to interview for a corporate job in San Francisco. Eugene Byrd as Eugene.
190	0815	January 9, 1992	The Price Is Wrong	Pam, Lance, Charmaine, and a group of senior citizens protest a grocery chain that gives preferential treatment to customers in wealthier neighborhoods. Karen Malina White as Charmaine. Allen Payne as Lance. Directed by Malcolm-Jamal Warner.
191	0816	January 16, 1992	Bring Me the Lip Gloss of Deirdre Arpelle	Kenny pretends that he is dating another girl, in order to make Rudy jealous and force Stanley out of the picture. Deon Richmond as Kenny. Merlin Santana as Stanley. First appearance of Gabrielle Carmouche as Deirdre.
192	0726	January 30, 1992	Eat, Drink and Be Wary	Rudy and her friends want to go on the subway. Karen Malina White as Charmaine. Guest appearance by Debbi Morgan. Directed by Malcolm-Jamal Warner and Carl Lauten.
193	0817	February 6, 1992	The Getaway	Sondra, Elvin, and the twins finally move into their own house in New Jersey. Guest appearances by NCAA basketball coaches Jim Valvano and Dick Vitale.
194	0818	February 6, 1992	Cliff Gets Jilted	Vanessa and Dabnis announce that they have broken their engagement . . . and would-be father-in-law Cliff is devastated. William Thomas, Jr. as Dabnis.
195	0819	February 13, 1992	Cliff and Theo Come Clean	Theo decides to turn down the corporate job in San Francisco and attend graduate school in New York. One of the students at the community center finds $600. Merlin Santana as Stanley. Eugene Byrd as Eugene. Gabrielle Carmouche as Deirdre.
196	0820	February 20, 1992	Clair's Reunion	Clair and her college friends plan a retirement party for one of their former professors from Hillman. Vanessa brings home a Senegalese exchange student. Guest appearances by Margaret Avery, CCH Pounder, and Daphne Maxwell Reid.
197	0821	February 27, 1992	Rudy's Retreat	Cliff and Clair see Rudy changing. While preparing their wills, Sondra and Elvin try to determine who should be the twins' legal guardian if the couple should both die. Charmaine and Lance prepare to visit Hillman College. Karen Malina White and Allen Payne appear on the episode of A Different World which airs later that evening. In the fall of 1992, White becomes a regular cast member of that series.
198	0811	March 26, 1992	You Can't Stop the Music	Cliff and Clair go to a local radio station for a live salsa performance. Kenny babysits Olivia. Deon Richmond as Kenny. Graciela, Willie Colón, and Mario Bauza and His Afro-Cuban Jazz Orchestra appear as themselves.
199	0822	April 23, 1992	Some Gifts Aren't Deductible	Kenny turns to Rudy and Cliff for help after lying to his girlfriend about plans for her birthday party. Cliff and Clair work on their income tax return. Deon Richmond as Kenny. Last appearances of Merlin Santana as Stanley and Gabrielle Carmouche as Deirdre. The Uptown String Quartet performs James Brown's "I Feel Good".
200	0823	April 30, 1992	And So We Commence (1)	Series finale, part 1. Theo prepares to graduate from New York University. An elated Cliff continues to invite additional people to the ceremony, despite the fact that Theo only has a limited number of tickets.
201	0824	April 30, 1992	And So We Commence (2)	Series finale, part 2. As Theo graduates from NYU, Cliff remembers how a 14 year old Theo received D's in 9th grade and had no desire to attend college at all (features flashbacks to scenes from the very first episode in 1984). Denise telephones and reveals that she is pregnant. Olivia leaves to join Denise and Martin in Singapore. In the final scene, Bill Cosby (Cliff) gets the front doorbell to work properly at last; he and Phylicia Rashād (Clair) share a dance and then break the fourth wall, walking off the set to the thunderous applause of the studio audience. The scene is immediately followed by a 3-minute "thank you" tribute from NBC.