Cliff buys a new car. Rudy cuts some animal pictures out of Cliff's expensive books for school. Guest appearance by Sinbad, who would later portray Walter Oakes on the Cosby Show spinoff, A Different World. Watched by almost 65 million viewers when it originally aired, "Say Hello to a Good Buy" was the series' highest rated episode.
Elenco: Bill Cosby , Phylicia Rashād , Malcolm-Jamal Warner , Keshia Knight Pulliam , Tempestt Bledsoe , Sabrina Le Beauf , Erika Alexander , Geoffrey Owens , Raven-Symoné , Earle Hyman , Deon Richmond .