The Cosby Show
I Know That You Know
Season 3, Episode 21 · Aired 1987-03-19
Synopsis
Sondra and Elvin announce their engagement. Since Cliff always says he knows everything that goes on, Clair and the kids decide to play a joke on Cliff about the engagement. He finds out before the joke and turns the tables on the others.
In the series
This episode is part of The Cosby Show (1984–1992) on NBC.
The Huxtables made Thursday sacred — a Black professional family sitcom that rewrote Nielsen math.
Key cast
- Bill Cosby as Cliff Huxtable
- Phylicia Rashad as Clair Huxtable
- Malcolm-Jamal Warner as Theo Huxtable
- Lisa Bonet as Denise Huxtable
- Tempestt Bledsoe as Vanessa Huxtable
- Keshia Knight Pulliam as Rudy Huxtable