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 a line of primetime telenovelas (a genre similar to soap operas in terms of content) upon its launch in September 2006, but discontinued its use of the format in 2007, after disappointing ratings. On June 13, 2012, "Dallas", a continuation of the 1978 original series premiered on the cable network, TNT. The revived series, which was canceled after three seasons in 2014, delivered solid ratings for the channel, only losing viewership after the show's most established star, Larry Hagman, died midway through the series. In 2012, Nick at Nite debuted a primetime soap opera, "Hollywood Heights", which aired episodes five