Guiding Light
Guiding Light (known as The Guiding Light before 1975) is an American television soap opera. It is listed in "Guinness World Records" as the longest-running drama in television in American history, broadcast on CBS for 57 years from June 30, 1952, until September 18, 2009, overlapping a 19-year broadcast on radio from 1937 to 1956. With it 72 years of radio and television runs, "Guiding Light" is the longest running soap opera before "General Hospital" and the fifth-longest running program in all of broadcast history; only the American country music radio program "Grand Ole Opry" (first broadcast in 1925), the BBC religious program "The Daily Service" (1928), the CBS religious program "Music and the Spoken Word" (1929), and the Norwegian children's radio program "Lørdagsbarnetimen" (1924-2010) have been on the air longer.
CBS Broadcast Center
After a 37-year absence, "Guiding Light" returned to the Broadcast Center in September 2005, after 17 years at EUE/Screen Gems studios, 222 East 44th Street and 20 years at the CBS/Himan Brown studios at 221 West 26th Street. The show had been produced in Studio 45 at the CBS Broadcast Center from 1965 to 1968 before moving to West 26th Street. "GL" used Studios 42 and 45 until its final broadcast on September 18, 2009.