Ding Dong School, billed as "the nursery school of the air", is a half-hour children's TV show which began on WNBQ-TV in Chicago, Illinois a few months before its four-year run on NBC. It is the earliest known preschool series to be produced in the United States, predating Romper Room by a year.

Romper Room is an American children's television series that was franchised and syndicated from 1953 to 1994. The program targeted preschoolers, and was created and produced by Bert Claster and his presenter wife, Nancy, of Claster Television. The national version was presented by Nancy Terrell and filmed in Baltimore from its inception in 1953. Romper Room was also franchised internationally at various times in Canada, the United Kingdom, Japan, Finland, New Zealand, Puerto Rico, Paraguay, Argentina, and Australia.