"The cast of ""ER"" will reunite on ""Stars In The House"" for a special Earth Day episode for Waterkeeper Alliance, producers Seth Rudetsky and James Wesley have announced. George Clooney, Eriq La Salle, Sherry Stringfield and Anthony Edwards are seen in this image from Season 1 of the show. (NBC/Courtesy Everett Collectio/©NBC/Courtesy Everett Collectio via CNN)"
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