This is the only prime time series ever to run in consecutive seasons on three major televisions networks: on CBS from 1957 to 1959, on NBC from 1959 to 1961 and on ABC from 1961 to 1962.

The pilot General Electric Theater: New Girl in His Life (1957) aired on May 26, 1957.

Although she never sings in the series, Noreen Corcoran (Kelly) released several pop singles during the early 1960s. One charted briefly. Corcoran was also a talented dancer who had trained in several forms of dance from the age of 3, yet doesn't dance during the program's run.