TV Shows/The Cosby Show/Season 3/S03E21

S03E21 – I Know That You Know

S03E21

19 Mar 198722 min

I Know That You Know

The Cosby Show – Season 3

When Sondra and Elvin announce their engagement, Clair and the children use the news to play a practical joke on Cliff, who launches a counter-offensive of his own. Geoffrey Owens as Elvin.

Cast

Bill Cosby

Bill Cosby

Heathcliff Huxtable

Phylicia Rashād

Phylicia Rashād

Clair Huxtable

Malcolm-Jamal Warner

Malcolm-Jamal Warner

Theo Huxtable

Tempestt Bledsoe

Tempestt Bledsoe

Vanessa Huxtable

Lisa Bonet

Lisa Bonet

Denise Huxtable

Keshia Knight Pulliam

Keshia Knight Pulliam

Rudy Huxtable

Sabrina Le Beauf

Sabrina Le Beauf

Sondra Huxtable

Geoffrey Owens

Geoffrey Owens

Elvin Tibideaux

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