The Patty Duke Show is an American sitcom which ran on ABC from September 18, 1963, until May 4, 1966, with reruns airing through August 31, 1966. The show was created as a vehicle for rising star Patty Duke. A total of 104 episodes were produced, most written by Sidney Sheldon. Patty Lane is a normal teenager living in the Brooklyn Heights section of New York City . Her father is the managing editor of the New York Daily Chronicle. In the unaired pilot episode, her "identical cousin" Cathy Lane , whose father also works for the Chronicle as a foreign correspondent, arrives in the United... States from Scotland to live with Patty's family and attend school. The show's premise is that Cathy is more worldly and demure than identical looking cousin Patty. The remarkable physical resemblance that Patty and Cathy Lane share to each other is explained by their fathers being identical twin brothers.
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