Determined to test Darrin's loyalty to Samantha, Serena and Endora transform Dusty Harrison (Melodie Johnson), the strait-laced daughter of Darrin's new, ultra-conservative client (Arch Johnson), into a swingin' hippie chick. In her new form, Dusty makes an unsubtle play for Darrin's affections, outraging both Mr. Harrison and Darrin's boss, Larry. The plot is resolved by the personal peccadilloes of Harrison himself. Written by Ed Jurist, "The Generation Zap" first aired on March 5, 1970. ~ Hal Erickson, Rovi