For the week beginning Friday, April 30. Times are E.D.T., subject to change.
Kentucky Derby. (Sat. 6:15 p.m., CBS; Sun. 9 p.m., CBS television).
CBS Is There (Sun. 2 p.m., CBS). The surrender of Sitting Bull.
Fred Allen (Sun. 8:30 p.m., NBC). Guest: Bing Crosby.
Theatre Guild Television (Sun. 8:30 p.m., NBC television). Gertrude Lawrence, David Wayne and Micheal MacLiammóir in Shaw's Great Catherine.
Escape (Sun. 10 p.m., CBS). One of radio's best mystery shows.
Boston "Pops" Orchestra (Tues. 9:30 p.m., ABC) begins its 63rd season.
Studio One (Tues. 10 p.m., CBS). Madeleine Carroll in Private Worlds.
Front Page (Thurs. 8 p.m., ABC). A new series, in the spirit...
