From Wikipedia:
Camera Three was a Sunday morning program devoted to the arts. It ran on CBS from 22 January 1956 to 21 January 1979, and moved to PBS in its final year to make way for the then-new CBS News Sunday Morning.[1] The PBS version ran from 4 October 1979 to 10 July 1980.
Camera Three featured programs showcasing drama, ballet, art, music, anything involving fine arts.
One of its most notable presentations was a condensation of Marc Blitzstein's leftist opera The Cradle Will Rock. Presented on November 29, 1964, it was a dramatic demonstration of how far television had come since its early days, in its willingness to present a work that surely would have been banned from the airwaves during the era of Joseph McCarthy.