Hillman

Hillman is the 25th episode and Season 3 finale of The Cosby Show, also the 74th overall episode in the series. The episode was directed by Jay Sandrich and written by Matt Robinson. The episode originally aired in the United States on NBC on May 7, 1987.

Synopsis
Cliff takes Rudy & her friends to a fancy restaurant. All dressed up in their best clothes, they go to the restaurant. Chaos ensues despite Cliff's effort to show them elegance. Clair's sister visits and announces she wants to have a baby.

Plot summary
Cliff, Clair and Russell Huxtable visit their alma mater, Hillman College, with the whole family. The college, which Denise now attends, is paying tribute to President Zachariah J. Haynes on the occasion of his retirement. Clair sings "All Good Things Will Be Added Unto You" with the Hillman choir.

Note: Filmed at Spelman College in Atlanta, Georgia. The episode serves as a backdoor pilot for the spinoff series A Different World, which premiered the very next season.