For the week starting Friday, Dec. 8. Times are E.S.T., subject to change.
Metropolitan Opera (Sat. 2 p.m., ABC). Tristan und Isolde, with Traubel and Vinay.
The People Act (Sat. 7 p.m., NBC). A 13-week series on economic and social problems of U.S. communities.
Invitation to Learning (Sun. 11:35 a.m., CBS). Shaw's Back to Methuselah.
New York Philharmonic (Sun. 1 p.m., CBS). Soloist: Violinist Nathan Milstein.
Theatre Guild on the Air (Sun. 8:30 p.m., NBC). Lottie Dundass, with Dorothy McGuire and Jessica Tandy.
America's Town Meeting (Tues. 9 p.m., ABC). "Are There Too Many People in the World?"
Screen Directors' Playhouse (Thurs. 10 p.m., NBC). Barbara Stanwyck...