A victim of the infamous rural purge in 1971 along with The Beverly Hillbillies (1962), Hee Haw (1969), Green Acres (1965) and the The Ed Sullivan Show (1948). These shows were perceived by then CBS executive Fred Silverman to only appeal to people who lived in rural areas and older people, so he decided to cancel them even though they were all still hugely popular at the time.
Essentially a continuation of The Andy Griffith Show (1960). In fact the series premier featured the wedding of Andy to his long time girlfriend Helen Crump, and Barney Fife can briefly be seen serving as Andy's best man.
The characters of Andy Taylor and Helen Crump get married in the pilot episode of the show and later in the season have a baby. However, years later in the TV reunion movie, "Return To Mayberry", the same characters return as a long married couple but make no reference to this child.