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The Cosby ShowS03E21

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The Cosby Show : I Know That You Know

S03, E21 ()

Sondra and Elvin announce their engagement; Theo plays practical jokes on the family.

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Previous Episode

Cliff's 50th Birthday

S03, E20 (First Aired: March 12, 1987)

Denise and Sondra come home from college to celebrate their father's 50th birthday.

Next Episode

The Andalusian Flu

S03, E22 (First Aired: April 2, 1987)

Theo offers to run the house when Cliff and Clair have the flu.

See all episodes