Erin Murphy 

I think Erin Murphy was abolutely fantastic when she played Tabitha Stevens I still watch Bewitched every day on living tv at 2pm. Brilliant  By: kazy on the July 10th, 2008
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Erin Margaret Murphy (June 17, 1964 in Encino, California) is an Americanactress who is best known for her role as young Tabitha Stephens on the top-ten televisionsitcomBewitched, which ran from 1964–1972. For the first season she shared this role with her sister, Diane, as they were of similar appearance and stature. As they got older and looked less alike, Erin played the part alone. >> By WikiPedia