- Dates: September 18, 1963 - April 27, 1966
- Type: Television Series
Patty Lane (Duke) is a normal, chatty, rambunctious teenager living in the Brooklyn Heights section of New York City; her father, Martin Lane, is the managing editor of the New York Daily Chronicle. In the unaired pilot episode, her "identical cousin," the sophisticated, brainy and demure Cathy Lane (also played by Duke), whose father, Kenneth Lane, Martin's twin brother, also works for the Chronicle, but as a foreign correspondent, arrives in the United States from Scotland to live with Patty's family and attend school. While both girls are identical in physical appearance, their style, tastes, and attitudes are nearly opposite, which is responsible for most, if not all, of the comedic situations on the show.