The short intro: For those who are unfamiliar with the concept, Old Time Radio is the phrase generally used to refer to the time when radio was (mostly) live, and was full of a variety of different shows, as opposed to simply being a means for record labels to use robots to promote the … Taken together, over the many years, networks, and incarnations, it amassed a total of 527 episodes , and despite those changes, the format of the show basically remained the same.