Episode: 050 | Aired: September 25, 1986
The Huxtable home is invaded by an elusive garter snake.
Episode: 051 | Aired: October 02, 1986
When a family friend has a heart attack, Clair challenges Cliff to give up his beloved high-fat comfort foods.
Episode: 052 | Aired: October 09, 1986
The entire clan gathers to celebrate Russell and Anna's 50th wedding anniversary. Frank Foster and the Count Basie Orchestra guest star.
Episode: 053 | Aired: October 16, 1986
Theo asks his for his parents' advice when he runs into girl trouble at school.
Episode: 054 | Aired: October 23, 1986
Vanessa does her best to get around Clair's ban on wearing make-up to school; Theo becomes safety-obsessed and organizes a Huxtable family fire drill.
Episode: 055 | Aired: October 30, 1986
When Theo has to write a paper about the March on Washington, The Huxtable and Hanks grandparents share their experience.
Episode: 056 | Aired: November 06, 1986
After a member of the Tuskegee Airmen makes a speech at their school, Theo and Cockroach decide that their main purpose in life is to fly.
Episode: 057 | Aired: November 13, 1986
When Vanessa is accepted into the pep squad, her family's wealth causes her to be labeled a stuck-up rich girl.
Episode: 058 | Aired: November 20, 1986
Denise's difficulties in school create tension at home, especially around straight-A sister Sondra. Guest Star: Rosalind Cash
Episode: 059 | Aired: December 04, 1986
Rudy and Peter discover that pet care is a serious responsibility when they take in a lost dog.
Episode: 060 | Aired: December 11, 1986
Russell and Homer bring an army buddy to the Huxtable house, and soon the war stories are flying back and forth. Meanwhile, Vanessa prepares for a skating date with a new boyfriend, and Cockroach gives Theo some very bad advice about handling women.
Episode: 061 | Aired: December 18, 1986
The house is in chaos as Clair and Anna head to a ceremony at Hillman. Russell comes to help Cliff with the kids, and Theo fields prank calls from girl classmates who have posted his number in the school ladies' room.
Episode: 062 | Aired: January 08, 1987
Elvin and Sondra come to visit and reveal that they are contemplating marriage.
Episode: 063 | Aired: January 15, 1987
With Rudy staying at her grandparents' and Denise and Vanessa headed for fun in Greenwich Village, Cliff and Theo organize their own "Huxtable Men's Club."
Episode: 064 | Aired: January 22, 1987
Cliff and Theo try to conceal their family's financial circumstances to get a better deal on a new car. Sinbad and Gilbert Gottfried guest star.
Episode: 065 | Aired: February 05, 1987
Denise mistakes a medical student assigned to follow Cliff for the phone pal she has finally agreed to meet; a broken-hearted Robert decides he may want to date Vanessa again.
Episode: 066 | Aired: February 12, 1987
Cliff fills in for another doctor and winds up with three women who are due to deliver at roughly the same time.
Episode: 067 | Aired: February 19, 1987
Cliff attempts to get a fired cleaning lady reinstated at the hospital; Theo and Rudy's tumbling games result in Rudy's getting injured. Rita Moreno guest stars.
Episode: 068 | Aired: February 26, 1987
Clair and Denise plan the bridal shower for Denise's soon-to-be-married pregnant friend. Lela Rochon and Deon Richmond guest star.
Episode: 069 | Aired: March 12, 1987
Denise and Sondra return home to help the Huxtable family celebrate Cliff's half-century birthday.
Episode: 070 | Aired: March 19, 1987
The family tries to hide Sondra and Elvin's news about their engagement from Cliff. Theo tries to trip Cliff up with his new joke kit.
Episode: 071 | Aired: April 02, 1987
When both Cliff and Clair come down with the flu, Theo takes over the head of the household. He begins pushing all the housework upon Vanessa and Rudy while he spends time with his girlfriend, Lana.
Episode: 072 | Aired: April 09, 1987
Cliff visits with old friend Scott Kelly, whose recent heart attack has caused him to change his entire personality. Theo and Cockroach embark on a career opportunity which involves shaving their heads for a music video. FACTOID: Bill Cosby and guest star Robert Culp worked together on the series I SPY.
Episode: 073 | Aired: April 30, 1987
Clair's sister arrives for a visit and announces her desire to have a baby. Pam Grier guest stars.
Episode: 074 | Aired: May 07, 1987
The Huxtable family visits Denise at Hillman to pay tribute to retiring college president Dr. Hanes.