Planning Parenthood

Planning Parenthood is the 24th episode and Season 3 of The Cosby Show, also the 73rd overall episode in the series. The episode was directed by Jay Sandrich and written by Elizabeth and Oliver Hailey. The episode originally aired in the United States on NBC on April 30, 1987.

Synopsis
Clair's sister decides she wants to be a mother. Cliff takes Rudy and her pals to lunch at a fancy restaurant—but it is nothing short of disaster, and they end up dining at a fast food restaurant, dressed in fancy party attire.

Plot summary
Cliff treats Rudy and her friends to fine dining at an expensive restaurant, but discovers, much to his chagrin, that fine food is wasted on the young. Also, Clair, her sister Sarah and friends discuss the trials and tribulations of combining a career with motherhood when Sarah considers starting a family.