For the week starting Friday, May 15. Times are E.D.T., subject to change.
Gunsmoke (Sat. 9.30 p.m., CBS). Fast-moving, first-rate western serial.
Theater of Stars (Sun. 6 p.m., CBS). Van Heflin in The Apple Tree.
Theatre Guild on the Air (Sun. 8:30 p.m., NBC). The Importance of Being Earnest, with Rex Harrison. Lilli Palmer.
Lux Radio Theater (Mon. 9 p.m., CBS). June Allyson in The Girl in White.
Ethel & Albert (Sat. 7:30 p.m., NBC). A radio veteran becomes a regular TV series, starring Peg Lynch. Alan Bunce.
Adventure (Sun. 5 p.m., CBS). A new series in cooperation with the American Museum of Natural History.
Comedy Hour (Sun....