Mary becomes exasperated with guest Nancy Walker, whose preoccupation with union business is disrupting rehearsals. Also: Kenneth(Michael Keaton) escorts a star-struck ingenue to Mary's house, where a bedridden Ruby is recuperating from an unknown ailment. Musical Highlights: ""Friendship"" medley...Nancy and Mary; Flamenco dance...Nancy and dancers.-TV Guide May 5-11, 1979
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