The Cosby Show is a TV series that aired on NBC from September 20, 1984, until April 30, 1992 for eight seasons.

Guest Characters

Characters

From

Date

Episode

Crossover Type

The Great Gonzo, Digit, Leon, Statler, Sweetums

The Muppets

January 11, 1990

S06E14: "Cliff's Nightmare"

B

Outgoing Crossovers

Characters	Guest On	Date	Episode	Crossover Type
Cliff Huxtable, Rudy Huxtable	A Different World	October 1, 1987	S01E01: “Pilot”	A
Cliff Huxtable, Rudy Huxtable	A Different World	November 5, 1987	S01E06: “Rudy and the “Snow Queen”	A
Russell Huxtable	A Different World	November 18, 1987	S01E07: “Sometimes You Get the Bear, Sometimes the Bear Gets You”	A
Cliff Huxtable	A Different World	December 3, 1987	S01E08: “If Chosen, I May Not Run”	A
Clair Huxtable	A Different World	March 24, 1988	S01E19: “Clair's Last Stand”	A
Rudy Huxtable, Theo Huxtable	A Different World	July 7, 1988	S01E22: “My Dinner With Theo”	A
Clair Huxtable, Theo Huxtable, Vanessa Huxtable	A Different World	February 2, 1989	S02E13: “Risky Business”	A
Clair Huxtable, Denise Huxtable*, Martin Kendall, Olivia Kendall	A Different World	November 2, 1989	S03E05: “Forever Hold Your Peace”	A
Clair Huxtable	A Different World	February 8, 1990	S03E15: “Success, Lies and Videotape”	A
Charmaine Brown, Lance Rodman	A Different World	February 27, 1992	S05E19: “Conflict of Interest”	A
Vanessa Huxtable	Instant Mom	May 8, 2014	S01E20: “Not Your Mother’s Day”	A

Spinoffs & Outgoing Cast

Characters	New Show	Date	Episode
Denise Huxtable	A Different World	September 24, 1987	S01E01: "Reconcilable Differences"
Charmaine Brown	A Different World	September 24, 1992	S06E01: “Honeymoon in L.A.: Part 1”

(Note: “Honeymoon in L.A.: Part 1” is the first episode of A Different World where Charmaine Brown appeared in the main cast but she did previously appear on the episode “Conflict of Interest”.)

Specials & TV Movies

Name	Date
Mickey’s 60th Birthday	November 13, 1988
“The Earth Day Special”	April 22, 1990

(Note: Mickey’s 60th Birthday and The Earth Day Special are mass crossovers of various TV and film characters)