Serial (radio and television) usually ran from Monday through Friday at exactly the same time every day. A show called The Smith Family which ran only one night a week on WENR in Chicago during the early 1930s was credited as the "great-granddaddy of the soap operas" by radio historian Francis Chase, Jr. One of the other shows that helped pioneer the daytime soap opera/serial was "The Guiding Light", which debuted on NBC radio in 1937, and then switched to CBS Television in 1952. "The Guiding Light" final episode aired on September 18, 2009, having a total of 15,762 episodes air on CBS. Some
Soap opera soap opera for the final two years of its run, airing five days a week on Rai 1. In the early years of RTÉ, the network produced several dramas but had not come close to launching a long-running serial. RTÉ's first television soap was "Tolka Row", which was set in urban Dublin. For several years, both "Tolka Row" and "The Riordans" were produced by RTÉ; however, the urban soap was soon dropped in favor of the more popular rural soap opera "The Riordans", which premiered in 1965. Executives from Yorkshire Television visited during on-location shoots for "The Riordans" in the