For the week starting Friday, Feb. 16. Times are E.S.T., subject to change.
RADIO
Metropolitan Opera (Sat. 1:30 p.m., ABC). Götterdämmerung, with Helen Traubel.
New York Philharmonic (Sun. 1 p.m., CBS). Soloist: Pianist Myra Hess.
The Big Show (Sun. 6 p.m., NBC). Guests: Fred Allen, Portland Hoffa, Ed Wynn, Lauritz Melchior.
Theatre Guild on the Air (Sun. 8:30 p.m., NBC). Promise, with Gloria Swanson, Hume Cronyn, Margaret Phillips.
TELEVISION
Pulitzer Prize Playhouse (Fri. 9 p.m., ABC). Helen Hayes in Mary of Scotland.
Showtime ... U.S.A. (Sun. 7:30 p.m., ABC). Guests: Eva Gabor, Ben Blue, Dick...