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
Thai television soap opera not dubbed or subtitled. However, Thai TV soap operas have begun to become popular in Vietnam as "Song Kram Nang Fah" aired successfully in that country. According to China Radio International, many Thai soap operas are aired in China, dubbed into Chinese language, mostly on Anhui Television. Thai soap operas were also broadcast in the Philippines for a short while in 1998, but were cancelled due to low ratings. "You're My Destiny" is the first lakorn to appear in the Philippines in 20 years. It aired on GMA Network as part of Heart of Asia's 15th anniversary offering. It is