Not content with fictional crimes, elderly, eccentric mystery writers Ernesta (Helen Hayes) and Gwendolyn (Mildred Natwick) Snoop put their keen minds and sharp wits to good use solving real ones in this 1972-74 segment of "The NBC Mystery Movie." With Lou Antonio as Barney, an ex-con who served as the ladies' driver and bodyguard, and Bert Convy as their police lieutenant nephew, Steve Ostrowski. Standard; Soundtrack: English Dolby Digital stereo. 4 episodes and the TV-movie "The Female Instinct" (1972) on 3 discs. 6 hrs.