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Aunt Clara arouses herself from a "witching slump" by creating a new evening wardrobe for Samantha and Darrin. Unfortunately, the couple's fancy clothes suddenly begin disappearing -- right in the middle of a formal dinner party. Darrin must now mollify his outraged client Charles Barlow (Max Showalter), providing he can get out of jail first. Written by Paul David and John L. Greene, "A Very Informal Dress" first aired on November 4, 1965.