Denise takes classes locally at Medgar Evers College, while Vanessa enrolls at Lincoln University in Pennsylvania. Rudy starts sixth grade. Olivia starts preschool. In a scene prior to the opening credits, Olivia enters Cliff's bedroom wearing a Bart Simpson mask. It is a nod to FOX's decision to move The Simpsons to Thursdays at 8:00 pm Eastern/Pacific, presenting The Cosby Show with its first true ratings challenge.

Cliff tries to win a classic jazz record at an auction, while filling in for Denise as volunteer parent at Olivia's preschool. Sullivan Walker as Dr. James Harmon.

The Huxtable family erupts in a battle of the sexes after Theo suggests having a stripper at Martin's post-wedding bachelor party.

Clair's teenage second cousin moves in with the family. Erika Alexander joins the cast as Pam. First appearances of Karen Malina White as Charmaine, Allen Payne as Lance, and Mushond Lee as Slide.

After Vanessa gets into a minor car accident and tries to cover it up, Cliff and Clair complain about the various small disasters the children have caused them, and the children fight back by complaining about ways Cliff and Clair have embarrassed them.

Rudy and Kenny do a video project.

Under pressure from her boyfriend to become sexually active, Pam considers using birth control. Karen Malina White as Charmaine. Allen Payne as Lance. Mushond Lee as Slide.

Pam and Slide argue over whether they should become sexually active.

Rudy gets her first period. Clair plans "Women's day" where she goes out alone with Rudy and answers any questions she has, but Rudy refuses to talk. Keith Diamond as Danny.

Seeking privacy, Denise and Martin decide to look for their own apartment.

The husband of one of Cliff's patients worries that he will be a poor father because he has no athletic ability. After Pam breaks up with Slide, she and the class brain are attracted to each other.

Clair enters menopause. She takes the news fine, but the kids treat her as if she's losing her mind.

Elvin and Sondra help friends move during a football game.

Theo will make the dean's list if he gets an A on his final, but a beautiful exchange student planning to leave the next day for Barbados distracts him. Vanessa A. Williams appears (now portraying Cheryl).

Pam's grades have improved, but she worries that she will not be able to afford college. Karen Malina White as Charmaine. Allen Payne as Lance. Mushond Lee as Slide.

Cliff's patient and her husband are convinced that they are prepared for every scenario ... and then labor begins.

Rudy begs Martin to let her babysit Olivia. Cliff and Dr. Harmon enter a pinochle tournament as partners ... and so do their wives.

To celebrate his 27th wedding anniversary with Clair, Cliff recreates the Callaloo Pot, a Caribbean restaurant where the couple dined on their honeymoon.

An old friend of Clair visits, along with her husband. Rudy prepares for her first date.

Theo's friend Denny thinks his girlfriend is cheating on him.

When Olivia comes down with a cold, everyone (except Cliff) has a different home remedy to offer as a cure. Russell and Anna celebrate another wedding anniversary. Cliff, Rudy and Olivia perform Koko Taylor's "I'm A Woman".

Rudy has a nightmare about Olivia always getting her way.

Cliff goes bowling with his friends.

Clair tries to prevent Cliff from buying a new appliance from his friend Jake. Lost episode from Season 6. Guest appearances by Red Buttons and E. G. Marshall. Last appearance of Lisa Bonet as Denise.

Theo, who is majoring in pediatric psychology, begins an internship as a junior counselor at the community center; he soon suspects that one of the children there is dyslexic. First appearances of Merlin Santana as Stanley and Eugene Byrd as Eugene.

Theo continues his attempts to help Stanley and the other children at the community center.

Denise returns from Africa, with a new husband and stepdaughter in tow. Joseph C. Phillips and Raven-Symoné join the cast as Martin and Olivia Kendall. Last appearance of Peter Costa as Peter.

After recreating one of Cliff's stories, Theo and his roommates are kicked out of their apartment. First appearance of Keith Diamond as Danny. Guest appearance by Anthony Quinn.

Vanessa and her friends get drunk playing a drinking game. Pam Potillo as Janet. Elizabeth Narvaez as Kara. Guest appearance by Bill Cosby's real-life daughter Ensa Cosby, upon whom the character Vanessa is loosely based.

Denise forgets to respond to a letter from the Navy and confirm that she and Martin want housing on the naval base in Rhode Island.

Theo is diagnosed with dyslexia, a learning disability which contributed to the academic problems he has had over the years. Michelle Thomas as Justine.

Denise and Olivia babysit Winnie and Nelson (Sondra and Elvin's twins).

Rudy and one of her classmates have a crush on each other, but peer pressure could ruin things. Guest appearance by Elaine Stritch.

Cliff dreams that men worldwide have become pregnant -- including his son Theo, his sons-in-law Elvin and Martin, and himself. Voice-over by NBC News correspondent John Palmer.

Denise invites Martin's ex-wife Paula for Thanksgiving dinner. Clair continues to send Cliff to the store for last-minute groceries, despite the fact that it is a cold and rainy Thanksgiving Day. Victoria Rowell as Paula.

Martin's parents (Olivia's grandparents) come for a visit. Actor Moses Gunn and jazz singer Nancy Wilson guest star as Martin's parents.

Cliff is in charge while Clair and Denise are out of town. Guest: Elaine Stritch as Mrs. McGee

As Christmas approaches, Cliff and Martin get to know each other better. Denise and Martin recreate their wedding ceremony, which allows Cliff to give his daughter away.

Elvin takes two female college friends to dinner to reminisce and Sondra becomes very upset.

Guest appearance by The Muppets (Performed by Jerry Nelson, Dave Goelz, Richard Hunt, and Kevin Clash.) Voice-over by Wallace Shawn.

Denise causes trouble while trying to help Vanessa get a date.

Olivia's 4th birthday.

Theo thinks about proposing to Justine. Kenny, who was "born to sing the blues," gets the chance to sing with a legendary blues singer/guitarist. Deon Richmond as Kenny. Michelle Thomas as Justine. Guest appearance by B.B. King

Rudy steals money from Clair to buy a sweatshirt (Rudy and her friend Kim do the Electric Slide). Deon Richmond as Kenny.

Rudy is forced to take tap dancing lessons for a school project. Cliff is presented with a "challenge" he cannot resist. Guest appearances by Howard "Sandman" Sims and Elaine Stritch.

Cliff, Elvin and Martin secretly compete to determine who is the most romantic husband in the Huxtable family.

Cliff and Clair discover that Theo has moved in with Justine. Last Appearance Of Michelle Thomas as Justine. Victoria Rowell as Paula.

Clair is burned out from work and family pressures and hurries off to the woods.

Vanessa and her friends sneak out of town to attend a concert in Baltimore, but encounter huge problems along the way. Afterwards, she must face the wrath of Cliff and an infuriated Clair.

The Huxtables' nerdy neighbor (Wallace Shawn) reinvents himself after a divorce.

Denise wants to become a teacher . . . without finishing college. Guest appearance by Max Roach.

"Gram Tee", Cliff's 98 year old great aunt, comes to visit the family.

As Theo begins his freshman year at New York University, Denise announces that she is dropping out of Hillman College. Sondra is revealed to be pregnant. First mention of Cliff's theory that the children keep returning home because "they want the house."

Cliff prepares for a physical. John Amos as Dr. Bradley Herbert, Jr.

Rudy's friend sleeps over.

Everyone wants pregnant Sondra and Elvin to find a new house. Elvin's surname, Tibideaux, is revealed.

Denise leaves Brooklyn for a job in Africa (Lisa Bonet's last appearance of Season 5).

Sondra goes into labor, and Elvin is a nervous wreck. Deon Richmond as Kenny. Michelle Thomas as Justine. First appearances of Reno Wilson as Howard, and Elizabeth Narvaez as Kara. Guest appearance by Naomi Campbell.

Sondra gives birth to twins—a boy and a girl—who are named after Nelson Mandela and his then-wife Winnie. Elvin decides to return to medical school.

Theo wants to date his friend Howard's ex-girlfriend, but he is stunned upon learning who she wants to date. Troy Winbush as Denny. Reno Wilson as Howard.

Vanessa, Janet and Kara want to be professional singers; Russell wins a prize in a sweepstakes, which turns out to be a toaster. Pam Potillo as Janet. Elizabeth Narvaez as Kara. Guest appearance by singer Betty Carter.

Clair secretly goes on a crash diet and exercise program to lose five pounds in a week so she can fit into a dress. Appearance by Debbie Allen; voice-over by Ahmad Rashād (Phylicia Rashād's sister and husband).

Rudy takes care of a friend's hamster for the weekend.

Rudy lies to cover for Vanessa, who secretly goes out on a date with her older boyfriend.

Cliff babysits Winnie and Nelson when the rest of the family goes to see a Michael Jackson concert.

Clair appears as a panelist on a local Sunday morning talk show entitled "Retrospective". Clair buys a new couch and Cliff tries to keep the old one. Clair's law firm is identified as Greentree, Bradley & Dexter.

With the rest of the family gone for the night, Theo throws a "small" party that gets out of control. Troy Winbush as Denny. Reno Wilson as Howard. First appearance of Alex Ruiz as Lou. Cameo appearance by Joie Lee. Phylicia Rashād (Clair), Malcolm-Jamal Warner (Theo), Tempestt Bledsoe (Vanessa), and Elizabeth Narvaez (Kara) appear on the episode of A Different World which airs later that evening.

Cliff tracks down the grandfather of one of his patients: an expectant teenage mother with no other family. Clair deduces that the charming man is illiterate. Guest appearance by Sammy Davis, Jr.

Rudy wants to change some of her rules. Voice-over by Ed McMahon (from The Tonight Show Starring Johnny Carson).

Theo consults a voodoo shopkeeper for advice on winning his girlfriend back. Troy Winbush as Denny. Reno Wilson as Howard. Alex Ruiz as Lou. Michelle Thomas as Justine. Guest appearances by Moses Gunn and Harold Perrineau.

Cliff's old basketball friend comes to visit. Guest appearance by U.S. Senator (and former NBA basketball player) Bill Bradley.

Sondra bemoans taking care of the twins.

After catching Theo kissing another woman in the lounge of her dormitory, Justine breaks up with him. Desperate to win her back, Theo turns to Cliff for advice. Michelle Thomas as Justine. First appearance of Vanessa A. Williams as Jade.

Clair's 46th birthday.

Vanessa and Rudy argue and fight. After the sisters do physical damage to the house, Cliff exiles them to the basement.

Theo's friend Denny finds an expensive watch and gives it to his girlfriend, but it is soon revealed to be stolen merchandise. Troy Winbush as Denny. Alex Ruiz as Lou. Vanessa A. Williams as Jade.

Sondra comes down with strep throat, prompting her mother Clair and Elvin's mother Francine to "steal" the babies.

Theo wants to go to Egypt for an archaeological dig. Reno Wilson as Howard. Alex Ruiz as Lou. Deon Richmond as Kenny.

The newlywed Sondra and Elvin return from their honeymoon with shocking news for Cliff and Clair: they want to abandon their dreams of being a lawyer and doctor and open an outdoorsman's "wilderness store." Geoffrey Owens (Elvin) becoms a regular cast member.

Theo and Cockroach come home unusually late from a track meet, and the Huxtables got a phone message earlier from the track coach. They both deny anything out of the ordinary happened, but attorney Clair knows better. A mock trial is held for Theo and Cockroach at the Huxtables' for Clair to get to the bottom of the situation. Carl Anthony Payne II as Cockroach. Bill Cosby and Keshia Knight Pulliam appear on the episode of A Different World which airs later that evening.

Rudy wants to wear summer clothes in winter to a party, while Cliff tries to get rid of an old water heater.

While setting up the house as a "haunted house" for Halloween, Cliff discover's he's lost a power drill that his neighbor loaned to him. First appearance of Wallace Shawn as Jeffrey Ingalls.

Christopher Plummer and Roscoe Lee Browne appear. Theo must read Julius Caesar for school, but complains that it is boring. Russel and his friends read scenes from the play aloud, and Theo is enthralled. Later, the men read from a different work of literature-a story Rudy wrote!

Cliff and Clair have a marital argument after Theo gets detained by police for riding in a car with an unlicensed driver.

Rudy goes to an older widowed lady's house each afternoon to have tea and play cards, but notices that she refuses to take her daily medication for diabetes. She tells Cliff, who devises a plan to try to convince her that she needs the meds to live. Eileen Heckart appearance. Keshia Knight Pulliam appears on the episode of A Different World which airs later that evening.

Sondra and Elvin have their first marital fight, and Elvin comes to the Huxtable house for comfort and support. Clair shares about the difficulties in their house as flashbacks are shown.

Flashbacks are shown while history is shared with Elvin.

Theo and Vanessa lose track of Rudy in a mall while Clair enters a squash exhibition. Earle Hyman (Russell) appears on the episode of A Different World which airs later that evening.

Theo and Cockroach have tickets to appear on television on the dance show "Dance Mania", but are told that only one of them can enter the studio during the filming because of fire laws. Theo miscalculates by offering to let Cockroach go in (thinking he'll refuse) and gets angry when Cockroach takes him up on the offer. First appearances of Troy Winbush as Denny, and Adam Sandler as Smitty. Final appearance of Carl Anthony Payne II as Cockroach. Bill Cosby appears on the episode of A Different World which airs later that evening.

Theo and his classmates brag about their dates with girls in the locker room, but Theo's mood changes when one of the guys goes out with Vanessa and brags about it the next day. Troy Winbush as Denny. Adam Sandler as Smitty.

Vaudeville is shown to Rudy and her friends, who are unimpressed. Deon Richmond as Kenny.

Clair drags Cliff to her book club meeting, and he's the lone male there. Much to Clair's surprise, Cliff knows quite a bit about the book in question! Meanwhile, the kids attempt a sleepover at Sondra and Elvin's run-down studio apartment, but are overwhelmed by the noise and lack of utilities. Appearances by Angela Bassett and S. Epatha Merkerson.

Rudy has to play the violin in music class at school, but gets jealous because she thinks her classmates' instruments are more fun. Deon Richmond as Kenny. Naoka Nakagawa as Kim.

Theo visits a friend in the hospital who has cancer. Troy Winbush as Denny. Adam Sandler as Smitty. Special appearance by Armand Hammer.

Vanessa tries out for the drum major at school. Theo playfully mocks her efforts, but learns from friends that Vanessa is the target of sexism and intervenes on her behalf. Meanwhile, Cliff cooks up a batch of extremely spicy chili as Russell tries to pay off a loan from an old friend. Deon Richmond as Kenny. Troy Winbush as Denny. Guest appearance by Dub Taylor.

Clair tries to stop Cliff from fixing a leaky pipe by hiring a team of professionals: friends of Sondra and Elvin from Princeton.

Rudy writes a fairy tale, and the colorful story is acted out in her fantasy. Members of the family play the roles of a village full of happy people and a mean group that ruins their fun. At the end of the episode, Rudy declares that when she becomes "president of the world", she will put a stop to all mean people. Cliff and Clair proceed to watch news reports of weapons' testing and bombings, and urge her to "hurry, because we need you right now." Earle Hyman as Russell.

Cliff and a friend play pétanque. First appearance of Sullivan Walker as Dr. James Harmon.

A friend of Clair's has marital problems; Cliff takes a "mini-vacation" in the house as Theo, Rudy, and Vanessa try to stump each other with riddles.

Denise comes home from college, but seems to have more time for her friends than for the family.

Theo, Denny and Smitty go to great lengths to impress their dates for the senior prom but fail disastrously; Cliff and Clair relive their own prom. Troy Winbush as Denny. Adam Sandler as Smitty. First appearance of Michelle Thomas as Justine. Phylicia Rashād appears on the episode of A Different World which airs later that evening.

When the Huxtable men go fishing, Theo catches a dead body, and soon attracts attention from the media. This success goes to his head, while Rudy and Kenny find a nest of baby birds, but the mother bird is missing. The two stories eventually cross in a surprising-and rather humiliating-lesson for Theo. Deon Richmond as Kenny.

The Huxtable house is thrown into chaos after Rudy finds a snake in the basement. Carl Anthony Payne II as Cockroach. Peter Costa as Peter.

Clair challenges Cliff to not eat any salty food for the day. Denise leaves for her freshman year at Hillman College.

Russell and Anna's 50th wedding anniversary. The family performs James Brown's "I Got the Feelin' " in this sequel to Season 2's "Happy Anniversary". Earle Hyman as Russell. Clarice Taylor as Anna. Geoffrey Owens as Elvin. Appearance by Frank Foster and the Count Basie Orchestra. First mention of Rudy's desire to have a husband named "Bud" when she grows up.

Although he has a steady girlfriend, Theo wants to start dating someone else. Carl Anthony Payne II as Cockroach.

After Clair specifically forbids her from wearing make-up, Vanessa, behind her mothers back does it anyways.

Theo writes a report on the March on Washington. But gets a poor grade and is asked to redo his project. Much to his surprise he learns more about the march from his family than he did from books. Meanwhile Vanessa is worried about asking a boy to the turn-around dance. Earle Hyman as Russell. Clarice Taylor as Anna. Joe Williams as Al Hanks. Ethel Ayler as Carrie Hanks.

Theo and Cockroach decide they want to learn to fly, but Cliff doesn't want to waste his money on another dream of his son's. Carl Anthony Payne II as Cockroach. First appearance of Deon Richmond as Kenny, a.k.a. "Bud".

Friends call Vanessa a stuck-up rich girl at school. Guest appearance by Essence Atkins.

Denise's college career starts with a D, but Denise is to scared to show her parents. Clair needs to rest in bed because of a pinched nerve. Rudy portrays "the wind" in a school play. Rosalind Cash as Dr. Hughes (The episode is preceded by a 30-second anti-drug public service announcement featuring Bill Cosby).

Rudy and Peter find a dog and attempt to take care of it without her parents knowing. Peter Costa as Peter.

Cliff and his father's friend play a challenging game of cards. Venesa prepares to go to a skating party with date Robert Forman, soon find a very cute guy will cross her path Earle Hyman as Russell.

Cliff is in charge when Clair leaves for 10 days.

Elvin helps Theo with some wrestling moves, although he and Sondra have made plans for the weekend, and reveals that he is thinking of marrying her. Geoffrey Owens as Elvin.

Cliff establishes the Huxtable Men's Club when the women are away to help Theo get over his sadnes of a lost date. Venessa is very excited that big sister Denise is letting her go to the Village with Denise's college friends.

Cliff buys a new car. Rudy cuts some animal pictures out of Cliff's expensive books for school. Guest appearance by Sinbad, who would later portray Walter Oakes on the Cosby Show spinoff, A Different World. Watched by almost 65 million viewers when it originally aired, "Say Hello to a Good Buy" was the series' highest rated episode.

Denise has a blind date, but is really scared. So she asks Theo to grade him for her!!!! But this soon leads to a big hilarious mix up. Dondre Whitfield as Robert. Absent: Sabrina Le Beauf as Sondra Huxtable.

Cliff is called to the hospital for 3 deliveries, Malinda Williams appearance, Patricia Richardson appearance.

Rudy gets hurt from Theo's rough games. Rudy cries. Theo gets punished. Clair goes to a doctor and gets the same advice that Cliff gave her. Cliff learns that the woman who cleans up the Doctor's Lounge at the hospital (Rita Moreno) has been fired. Absent: Sabrina Le Beauf as Sondra Huxtable and Lisa Bonet as Denise Huxtable.

Denise holds a bridal shower for her pregnant and bride-to-be friend Veronica, but finds out some disturbing information. Absent: Sabrina Le Beauf as Sondra Huxtable, although mentioned.

Cliff's 50th birthday has all kinds of surprises.

When Sondra and Elvin announce their engagement, Clair and the children use the news to play a practical joke on Cliff, who launches a counter-offensive of his own. Geoffrey Owens as Elvin.

While Cliff and Clair have the flu, Theo tries to keep the house going.

Cliff's Navy friend comes to visit. Cockroach shaves his head to be in a rock video. Robert Culp (Bill Cosby's co-star from the 1960s TV series I Spy) appears as Scott Kelly.

Clair's sister decides she wants to be a mother. Cliff takes Rudy and her friends out to eat at a fancy restaurant.

The Huxtable family goes to Hillman College to attend a ceremony in honor of its president's retirement. Guest appearance by Joe Seneca. Filmed at Spelman College in Atlanta, Georgia. The episode serves as a backdoor pilot for the spinoff series A Different World, which premieres in the fall of 1987.

Cliff and Clair are overjoyed with the arrivial of the new school year, as their children are finally out of the house.

Cliff, who has a fetish for electronic appliances, buys a juicer. Rudy and Peter, bored from Vanessa's inattentive baby-sitting, decide to use it even they are not allowed to use appliances. David Langston Smyrl as Mr. Lucas. Peter Costa as Peter.

For Russell and Anna's 49th wedding anniversary, the family commissions a portrait of the couple as newlyweds, and offers them a cruise to Europe. Later in the evening, the whole family performs Ray Charles' "Night Time Is the Right Time", with Theo, Rudy and Cliff each lip-synching a solo. Earle Hyman as Russell. Clarice Taylor as Anna.

Sondra breaks up with her boyfriend Elvin and is depressed, taking it out on the family. Cliff and Clair aren't exactly unhappy; they find Elvin rather annoying. Later, he appears at the house with flowers and tries to apologize. While there, he offers some of his sexist rhetoric to Clair, who quickly becomes annoyed. First appearance of Geoffrey Owens as Elvin. Joseph C. Phillips appears as Daryl (Phillips joins the cast in Season 6 as Denise's new husband, Navy Lt. Martin Kendall)

When friend Suzanne accompanies Denise to observe the Huxtables' normal behavior, a smitten Theo behaves far from normally. Robin Givens as Suzanne. Blair Underwood as Mark.

Vanessa has a crush on a one Robert Forman, who comes to her Halloween party. Daydreaming about her love, she drops an entire tray of glasses and embarrasses herself in front of the guests. Pam Potillo as Janet. Dondre Whitfield as Robert. Akili Prince as Scott. (Years later, Prince would originate the role of Terrence Frye on All My Children. Upon leaving that series, he was replaced by Whitfield.)

Rudy plays football and becomes a star, much to the chagrin of Clair, who worries she'll get hurt. But reluctance turns to excitement when Rudy is the star of her first game. Ethel Ayler as Carrie Hanks. Peter Costa as Peter.

Denise wants to buy a car. She plans to use her savings to do so, but Cliff and Clair quickly point out flaws in her plan. The answer to everyone's problems comes from friend Mr. Lucas, who has an old car he is willing to sell. Denise proves herself a good driver, and the car is hers. David Langston Smyrl as Mr. Lucas.

Clair's sister Sarah gets engaged. First appearance of Joe Williams as Clair's father Al Hanks. Ethel Ayler as Carrie Hanks. Mario Van Peebles as Garvin.

While preparing to go out on a proposal anniversary dinner, Clair breaks her toe, but tries not to let it upset her routine. In the end, she develops a unique piece of footwear to hide her cast.

Denise asks Cliff to talk to her friend, who has a medical problem. Cliff diagnoses the girl as having a mild bladder infection, but learns that she was wary of telling her parents without certainty. Cliff and Clair decide to show the kids that they can tell them anything, but the children quickly point out that their parents will just get angry. Cliff admits that anger is part of problems, but tells the children that no matter what, they will be loved.

Theo's math teacher comes for dinner, to Theo's extreme consternation. He thinks she plans to tell his parents of a bad grade on a math test. To his surprise, Mrs. Westlake comes to dinner looking young, attractive, and even with a sense of humor; and she has a very good surprise! Mrs. Westlake also gives Theo his test-he actually gets an 89, and he proceeds to embrace her, much to his shock. Sonia Braga as Mrs. Westlake.

Clair bids on a painting by her great-uncle that her grandmother had once owned. Attempting to win her favor, Elvin tries to bake her a cake but fails miserably; he then gets advice from Cliff on how to pass himself off as a good cook. In real life, the painting used in the episode is Funeral Procession by Ellis Wilson.

Vanessa steals a sweater from Denise. The two soon begin to fight. In the end, Rudy's choice of television viewing, the "I Have A Dream" speech, reminds the whole family of what a real problem is. Excerpt from Martin Luther King, Jr.'s "I Have a Dream" speech featured at the end of the episode (Originally aired four days before the first observance of Martin Luther King, Jr. Day as a U.S. federal holiday).

Theo and his friend Cockroach scheme to pass a test on William Shakespeare's "Macbeth", which neither one has read. First appearance of Carl Anthony Payne II as Cockroach. Phylicia Ayers-Allen changes her professional name to Phylicia Rashād, after marrying NBC sportscaster Ahmad Rashād.

Peter goes to the dentist, but has Rudy come along for moral support so Peter won't be afraid of the dentist anymore. Danny Kaye (in one of his last appearances) as Dr. Burns, who is also Cliff's dentist.

Russell plays in a tribute with the band he played in years ago. Guest appearances by jazz musicians Tito Puente, Art Blakey, Percy Heath, Jimmy Heath, Tommy Flanagan, Eric Gale, Joe Wilder, Carlos Valdes ("Patato"), Bootsie Barnes, and Jimmy Oliver. Slide Hampton provided the audio track for Russell's trombone solos.

After his limo collides with Denise's car, Stevie Wonder (appearing as himself) invites the Huxtables to a recording session. Wonder performs "I Just Called to Say I Love You" with Clair and the family. Absent: Sabrina Le Beauf as Sondra Huxtable.

After an exhausting midnight shift at the hospital and a night's sleep, all Cliff wants is to read his paper in peace - but the children have taken over every room in the house. Classic scene: Denise's boyfriend sings reggae in front of the living room TV.

A close friend of Cliff's, played by Samuel E. Wright, is overcome with sadness due to his daughter's recurring drug addiction. His feelings are set off as he observes the close relationship between Cliff, Clair, and Denise, who is his daughter's age.

Theo's math teacher has a baby and Cockroach shows a different side. Carl Anthony Payne II as Cockroach. Sonia Braga as Mrs. Westlake. Cockroach's full real name, Walter Bradley, is revealed in this episode (only his first name was previously mentioned).

After Theo claims that he'll have no problem making it in the "real world", the Huxtables convert their house in the "Real World Apartments" and teach him a lesson about the real world; i.e., needing employment and references to get an apartment, income to get a bank loan, having to pay for his meals, etc. Carl Anthony Payne II as Cockroach.

Cliff plays pinochle with his father, a former teacher, and a friend. Theo buys a cheap ring for his girlfriend Tanya. Earle Hyman as Russell. Roscoe Lee Browne as Dr. Foster.

In a charity run, Cliff races at the Penn Relays with "Tailwind" Turner and -- as apparent payback for the race a year prior -- ends up having to run the final leg against Olympic gold medalist Valerie Brisco-Hooks. Josh Culbreath as Col. Sanford "Tailwind" Turner. Valerie Brisco-Hooks appears as herself. Cameo appearance by Bill Cosby's real wife, Camille Cosby (uncredited).

After much deliberation, Denise chooses the college that she will attend in the fall. Earle Hyman as Russell. Clarice Taylor as Anna.

Clair is furious when Theo brings home a report card with 4 D's. He tells Cliff that he has no intention of going to college, as he feels that he is destined to be a ""regular person."" Cliff uses Monopoly money to teach him about the economic realities that many blue-collar workers must face. He assures Theo that he only wants him to try his best. Cliff is alarmed to meet Denise's latest beau, a former merchant marine who once spent time in a Turkish prison.

When Rudy's pet fish, Lamont, dies, Cliff tries to bring the family together for a funeral in the bathroom. The festivities end when Rudy gets bored and leaves to watch TV.

Vanessa claims that she is old enough to watch a scary movie, but Cliff still forbids it. Vanessa sneaks out anyway, but ends up having nightmares as a result.

Freshman Theo tries out for the football team and makes it. Cliff is overjoyed, but his pride falters when he discovers his son will never be a star. Theo, however, is just happy being on the team.

Theo wants to impress a girl by wearing an expensive shirt by designer Gordon Gartrelle. Since Cliff and Clair will not pay for it, Denise offers to make a copy of the shirt for him. Guest appearance by Kadeem Hardison, who years later would portray Dwayne Wayne on the Cosby Show spinoff, A Different World.

Cliff's father, Russell, pays a visit and begins questioning Cliff about the kids' college choices. He asks Denise about Hillman, his and Cliff's alma mater. Denise is dead-set against it at first, until Russell tells her that the males outnumber the females there. First appearance of Earle Hyman as Russell Huxtable, Cliff's father.

While Clair cares for a friend's baby, she begins to consider having another. Cliff desperately tries to talk her out of it, claiming that babies are "false advertising." Clair's mother, Carrie, then reminds her that the older you are when you have kids, the older you'll be if they end up having to come back and live at home. First appearance of Ethel Ayler as Carrie Hanks, Clair's mother.

Vanessa plays clarinet in the school's orchestra. Though she tries her best and practices daily, she simply cannot play the instrument. She plays an embarrassing solo at the school concert, but her parents support her anyway. Guest Dizzy Gillespie as Mr. Hampton, Vanessa's music teacher.

Denise has a new boyfriend, David, but is reluctant to bring him home. She fears that Cliff will, like always, make fun of the boy and ruin her chances with him. Cliff and Clair are initially impressed with David until he expresses some unwanted opinions about medicine and the law at dinner. Kristoff St. John plays boyfriend David.

Sondra, the eldest Huxtable child makes her first appearance when she visits home for Thanksgiving. She plans on going to Paris for the summer, and hopes that her parents will support the decision.

Clair is exhausted from constantly caring for the children. Cliff decides to take her out on the town for "You're Not a Mother Night." They go to a fancy restaurant and hotel. While there, some of Clair's motherly instincts start kicking in-but they stop in time for a romantic evening.

Clair could be named partner at her law firm if an interview goes well-but Rudy is sick! Cliff vows to take care of her while Clair works, and engages in some unique doctoring methods. Clair is named partner and Rudy is fine by the end.

Cliff complains about the poor quality of his annual Father's Day gifts. He challenges the children to find some better presents for a December Father's Day. They give him thoughtful-if not quite attractive-presents.

Theo gets his ear pierced to impress a girl, but Denise thinks it might be infected. She is correct, and Theo must go to Cliff. Cliff hopes that Grandpa Huxtable will punish Theo, but the old man instead relates the story of how Cliff tried to slick back his hair to impress Clair, but ended up burning it off! Russell brags, and Anna reminds him of the time that he had a tattoo of her name placed on his chest, but ended up with a huge scar on his chest when he tried to remove it after Anna found out he was actually trying to impress another girl! First appearance of Clarice Taylor as Anna Huxtable, Cliff's mother.

Cliff is set to receive an important award, but a woman goes into labor right before the ceremony. Theo delivers his speech for him. Aleta Mitchell as Mrs. Randall, Elisa de la Roche as Nurse, Sheldon Leonard as Dr. Wexler

Cliff tries to impress Denise's friends by teaching them how to jitterbug. Some of Clair's friends also show off their dance moves. Soon, the whole house is full of dancers. Blair Underwood as Denise's boyfriend (uncredited), Judith Jamison as Marie, Donald McKayle as Ralph, Gerard Cooper as Guy, Christine Langner as Girl

Clair discovers a marijuana joint in one of Theo's school books. She and Cliff confront him about it, and accept his explanation—another boy slipped it in. Theo confronts the boy and brings him home to confess in order to remove any uncertainty from his parents about his telling the truth. Theo and the boy actually start to become friends. Stephen Thompson as Anthony Braxton, Iman as Mrs. Montgomery. Rudy says her full name in this episode, Rudith Lillian Huxtable.

Vanessa is placed in an advanced science class. She creates a model of the solar system, but learns that she will have to work harder than ever if she hopes to succeed. First appearance of Pam Potillo as Vanessa's friend Janet Meisner.

A sneaky mechanic tries to swindle Sondra. It's Clair to the rescue as the two battle in court. David Langston Smyrl as the man in court, Shawn Elliott as Mr. Wilson, Alan North as Judge

Cliff's college track coach contacts him and asks to run in a charity event between Hillman and its rival, Norton College. Heathcliff "Combustible Huxtable" trains, but soon learns that he is not the runner he was all those years ago.

Cliff and Clair receive a visit from an old friend—and he has a new girlfriend that is half his age. They are initially suspicious, but learn that judging by appearances isn't always right.

Rudy invites all of her friends over for a slumber party. It's Cliff's job to watch over them, and he demonstrates some unique games to wrangle the youngsters. In the end, Russell drops by and demonstrates the perfect way to deal with kids-bribe them!

Cliff, Clair, and the Huxtable clan volunteer at a local community center. There, a battered boy tries to find help, and the owner—Tony Castillo—does his best to lend assistance.

Cliff is turning 48, and as usual, he is trying to find out what his birthday present is ahead of time. Clair, with the help of the kids, orchestrates a huge trick. Cliff is fooled, and doesn't find about what is birthday surprise is: a visit to Lena Horne's private club. Lena Horne as herself, Clarence Williams III as Clarence Thornehill. In episode 12, Cliff says his birthday is in October.

A retrospective of the phenomenally popular 1984-1992 situation comedy, "The Cosby Show," complete with memorable clips, bloopers and comments from series stars, producers and Bill Cosby himself.

Phylicia Rashād, Malcolm-Jamal Warner, Lisa Bonet, Tempestt Bledsoe, Keshia Knight Pulliam and Raven-Symoné host this special episode featuring bloopers from the past five seasons. Note: Special appearance by Condola Phyleia Rashād, Phylicia Rashād's daughter. This episode was excluded from The Cosby Show regular syndication cycle, but is included as a bonus feature in the Season 1 DVD set. It is not, however, included in the Season 6 DVD set released by First Look Studios and Millennium Entertainment, but is included in the Season 6 DVD set released by Mill Creek Entertainment.