Season 1

Season 1 of The Cosby Show premiered on September 20, 1984

The first season of The Cosby Show aired on NBC from September 20, 1984 to May 9, 1985.

Season 2

Season 2 of The Cosby Show premiered on September 26, 1985

The second season of The Cosby Show aired on NBC from September 26, 1985 to May 15, 1986.

Season 3

Season 3 of The Cosby Show premiered on September 25, 1986

The third season of The Cosby Show aired on NBC from September 25, 1986 to May 7, 1987.

Season 4

Season 4 of The Cosby Show premiered on September 24, 1987

Season 5

Season 5 of The Cosby Show premiered on October 6, 1988

The fifth season of The Cosby Show aired on NBC from October 6, 1988 to May 11, 1989.

Season 6

Season 6 of The Cosby Show premiered on September 21, 1989

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.

Season 7

Season 7 of The Cosby Show premiered on September 20, 1990

The seventh season of The Cosby Show aired on NBC from September 20, 1990 to May 2, 1991.

Season 8

Season 8 of The Cosby Show premiered on September 19, 1991

The eighth and final season of The Cosby Show aired on NBC from September 19, 1991 to April 30, 1992.