(1984)
with 24 episodes premiered on September 20, 1984
The first season of The Cosby Show aired on NBC from September 20, 1984 to May 9, 1985.
with 25 episodes premiered on September 26, 1985
The second season of The Cosby Show aired on NBC from September 26, 1985 to May 15, 1986.
with 25 episodes premiered on September 25, 1986
The third season of The Cosby Show aired on NBC from September 25, 1986 to May 7, 1987.
with 26 episodes premiered on October 6, 1988
The fifth season of The Cosby Show aired on NBC from October 6, 1988 to May 11, 1989.
with 26 episodes 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.
with 26 episodes premiered on September 20, 1990
The seventh season of The Cosby Show aired on NBC from September 20, 1990 to May 2, 1991.
with 25 episodes 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.