The Younger Woman

The Younger Woman is the 21st episode of Season 1 of The Cosby Show, also the 21st overall in the series. The episode was directed by Jay Sandrich and written by John Markus. The episodes originally aired in the United States on NBC on March 14, 1985.

Synopsis
Cliff and Clair receive a visit from an old friend—and he has a new girlfriend that is half his age. They are initially suspicious, but learn that judging by appearances isn't always right.

Plot summary
Cliff And Clair both discuss their mortality, and wonder what the other would do if one of them was to pass away. They also get a visit from a friend of Cliff's that is dating a woman at least 25 years his junior.

Trivia
Cliff is woken suddenly by music blaring from Denise's room. He picks up an album cover and asks if it's Clide, the singer they are listening to. His daughter say yes. It's actually, AC/DC's High Voltage album he is holding. Cliff remarks that Clide's tongue is hanging out, which is true of Angus Young whom appears on the album cover.