The Jeffersons (1975)

Season 5: Episode 7

At the last minute, George's speaker at a benefit cancels which leaves him scrambeling to find a celebrity to speak. He sets out to rope Billy Dee Williams into speaking even considering getting a celebrity look-alike. However, George passes himself off as Alex Haley, and Billy Dee agress to speak. Meanwhile, an excited Florence is let down when she mistakes Billy Dee, her idol, for an impersonator.