The Cosby Show

Season 3 Episode 21

I Know That You Know

0
Aired Thursday 8:00 PM Mar 19, 1987 on NBC
9.0
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26 votes

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Episode Summary

EDIT
Theo plays pranks on the family after he receives a joke kit he sent away for but he can't seem to fool Cliff. Sondra and Elvin make a surprise visit.

Who was the Episode MVP ?

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Bill Cosby

Bill Cosby

Dr. Heathcliff "Cliff" Huxtable

Keshia Knight Pulliam

Keshia Knight Pulliam

Rudith Lillian "Rudy" Huxtable

Phylicia Rashad

Phylicia Rashad

Clair Olivia Hanks Huxtable

Malcolm-Jamal Warner

Malcolm-Jamal Warner

Theodore Aloysius "Theo" Huxtable

Tempestt Bledsoe

Tempestt Bledsoe

Vanessa Huxtable

Sabrina Le Beauf

Sabrina Le Beauf

Sondra Huxtable Tibideaux (seasons 2 - 8, recurring previously)

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Trivia, Notes, Quotes and Allusions

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