Sep. 20, 1984
30 min.
NBC TV Network

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The Cosby Show » Season 3
The Cosby Show - 03x20 Cliff's 50th Birthday

3x20 Cliff's 50th Birthday

3/5 (1 vote)
First Aired: Mar. 12, 1987 on NBC
Summary: Clair decides to let Cliff have some friends over to celebrate his 50th birthday, even though he wants to invite Mark, who used to be married to Clair's best friend. Meanwhile, Cliff convinces Theo to hang out with Mark's daughter, who is 12, when Mark has to bring her because her mother is sick.

Watch Episode On:

- Amazon (purchase)

Main Characters in this Episode

Guest Stars

Dr. Heathcliff 'Cliff' Huxtable played by Bill Cosby
Denise Huxtable played by Lisa Bonet
Theo Huxtable played by Malcolm-Jamal Warner
Mark played by Douglas Turner Ward
Ellen played by Ashley Thompson (VII)
Hector played by Omar Torres

Episode Quotes

Sondra Huxtable Tibideaux: Turning fifty is a monumental occasion in a man's life.
Cliff: Oh, Lord, who let this child in the house?


  • The first person that Cliff names who he wants to attend his birthday party is "Harry Jefferson" who he used to play football at school with. Harry Jefferson is actually one of Bill Cosby's closest friends, they knew one another from the Marine Corps where they actually played football together on the Marine Corps team.
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