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 Grundy Ufa wanted to produce another soap for RTL. Like "GZSZ", the format was based on an Australian soap opera from Reg Watson. But RTL did not like the plot idea about separated twins who meet each other for the first time after 20 years and fall in love without knowing that they are related. The project was then taken to Das Erste, which commissioned the program, titled "Verbotene Liebe", which premiered on January 2, 1995. With the premiere of "Verbotene Liebe", the network turned "Marienhof" into a daily soap as well. In the meanwhile, RTL debuted the Grundy Ufa-produced