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Season 04, Episode 18
Air Date February 11, 1988
Writer Janet Leahy
Director Tony Singletary
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Waterworks is the eighteenth episode of The Cosby Show's fourth season which was first broadcast on February 11, 1988.


When Theo discovers a leaking pipe in the family bathroom, he and Clair try to prevent Cliff from making the repairs himself. While Cliff searches the house for his sledge hammer to knock through the wall, Clair quickly hires some college friends of Sondra who have started a plumbing company.