• Air date: 21 Sep '89 26 episodes
      The sixth season of The Cosby Show aired on NBC from September 21, 1989 to May 3, 1990. It included an outtakes show that aired on March 15, 1990.
  • List of Episodes (26)
    • 1. Denise: The Saga Continues

      21 Sep '89
      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.
    • 2. Surf's Up

      28 Sep '89
      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.
    • 3. I'm 'In' With the 'In' Crowd

      05 Oct '89
      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.
    • 4. Denise Kendall: Navy Wife

      12 Oct '89
      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.
    • 5. Theo's Gift

      19 Oct '89
      Theo is diagnosed with dyslexia, a learning disability which contributed to the academic problems he has had over the years. Michelle Thomas as Justine.
    • 6. Denise Kendall: Babysitter

      26 Oct '89
      Denise and Olivia babysit Winnie and Nelson (Sondra and Elvin's twins).
    • 7. Shall We Dance?

      02 Nov '89
      Rudy and one of her classmates have a crush on each other, but peer pressure could ruin things. Guest appearance by Elaine Stritch.
    • 8. The Day the Spores Landed

      09 Nov '89
      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.
    • 9. Cliff's Wet Adventure

      16 Nov '89
      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.
    • 10. Grampy and Nu-Nu Visit the Huxtables

      30 Nov '89
      Martin's parents (Olivia's grandparents) come for a visit. Actor Moses Gunn and jazz singer Nancy Wilson guest star as Martin's parents.
    • 11. Cliff la Dolce

      07 Dec '89
      Cliff is in charge while Clair and Denise are out of town. Guest: Elaine Stritch as Mrs. McGee
    • 12. Getting to Know You

      14 Dec '89
      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.
    • 13. Elvin Pays for Dinner

      04 Jan '90
      Elvin takes two female college friends to dinner to reminisce and Sondra becomes very upset.
    • 14. Cliff's Nightmare

      11 Jan '90
      Guest appearance by The Muppets (Performed by Jerry Nelson, Dave Goelz, Richard Hunt, and Kevin Clash.) Voice-over by Wallace Shawn.
    • 15. Denise Kendall: Singles Counselor

      18 Jan '90
      Denise causes trouble while trying to help Vanessa get a date.
    • 16. The Birthday Party

      25 Jan '90
      Olivia's 4th birthday.
    • 17. Not Everybody Loves the Blues

      01 Feb '90
      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
    • 18. Rudy's Walk on the Wild Side

      08 Feb '90
      Rudy steals money from Clair to buy a sweatshirt (Rudy and her friend Kim do the Electric Slide). Deon Richmond as Kenny.
    • 19. Mr. Sandman

      15 Feb '90
      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.
    • 20. Isn't It Romantic?

      22 Feb '90
      Cliff, Elvin and Martin secretly compete to determine who is the most romantic husband in the Huxtable family.
    • 21. Theo's Dirty Laundry

      15 Mar '90
      Cliff and Clair discover that Theo has moved in with Justine. Last Appearance Of Michelle Thomas as Justine. Victoria Rowell as Paula.
    • 22. What's It All About?

      22 Mar '90
      Clair is burned out from work and family pressures and hurries off to the woods.
    • 23. Off to See the Wretched

      05 Apr '90
      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.
    • 24. The Moves

      19 Apr '90
      The Huxtables' nerdy neighbor (Wallace Shawn) reinvents himself after a divorce.
    • 25. Live and Learn

      26 Apr '90
      Denise wants to become a teacher . . . without finishing college. Guest appearance by Max Roach.