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Going undercover to stop extortionists in the record industry gives Diana (and Lynda Carter) a chance to show off her vocal abilities.
First Air Date : Nov 07, 1975
Last Air date : Sep 11, 1979
Episode : 60 Episode
Season : 3 Season
Runtime: 50:14 minutes
Country: United States of America
Cast: Lynda Carter, Lyle Waggoner