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Plot
I Know That You Know
The Cosby Show
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Summaries (1)
Synopsis (1)
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Summaries
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.
Synopsis
The family decides to use Sondra and Elvin's engagement as the perfect opportunity to play a practical joke on Cliff, who insists he can not be "had".
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