Lux Radio Theatre, sometimes spelled Lux Radio Theater, a classic radio anthology series, was broadcast on the NBC Blue Network (1934–35) (owned by the National Broadcasting Company, later predecessor of American Broadcasting Company [ABC] in 1943–1945); CBS Radio network (Columbia Broadcasting System) (1935–54), and NBC Radio (1954–55). Initially, the series adapted Broadway plays during its first two seasons before it began adapting films. These hour-long radio programs were performed live before studio audiences.
Sears Radio Theater was a radio drama anthology series which ran weeknightly on CBS Radio in 1979, sponsored by the Sears chain. Often paired with The CBS Radio Mystery Theater during its first season, the program offered a different genre of drama for each day's broadcast. In 1980, the program moved to the Mutual Broadcasting System and became the Mutual Radio Theater.
NBC University Theater (also known as NBC University Theater of the Air, NBC Theater of the Air or NBC Theater) was a brand the National Broadcasting Co. applied to a category of radio programming. Although it was not actually a university, some colleges and universities participated by including some of the programming in their curriculum. NBC University Theater's most well-known radio series was The World's Great Novels. NBC used the name "University Theater" or similar from about 1923–1947.
