Soap opera soap opera "Guiding Light" (originally titled "The Guiding Light" until 1975) started as a radio drama in January 1937 and subsequently transferred to television in June 1952. With the exception of several years in the late 1940s, during which creator Irna Phillips was involved in a dispute with Procter & Gamble, "Guiding Light" was heard or seen nearly every weekday from 1937 until 2009, making it the longest story ever told in a broadcast medium. Originally serials were broadcast as fifteen-minute installments each weekday in daytime slots. In 1956, "As the World Turns" and "The Edge of Night", both produced
Soap opera its first radio soap, "Kennedys of Castleross", which ran from April 13, 1955 to 1975. In 1979 RTÉ long running TV soap The Riordans moved to Radio until December 24, 1985. In the mid-1980s, RTÉ debuted a new radio soap, "Harbour Hotel", which ran until the mid-1990s. The network later ran two short-lived radio soaps, "Konvenience Korner" and "Riverrun", which were followed in 2004 by "Driftwood". RTÉ does not run any radio soaps, however RTÉ Radio 1 continues to air radio dramas as part of its nighttime schedule. In Greece, there have been several soap operas. An early serial was