The Mary Tyler Moore Show (also known simply by the name of the show’s
star,Mary Tyler Moore) is a television sitcom that aired on the CBS network
from September 19, 1970 to March 19, 1977. The program was a television
breakthrough, with the first never-married, independent career woman as
the central character Mary Richards). It has also been cited as "one of the
most acclaimed television programs ever produced" in U.S. history. Critics 
gave it high praises ,receiving Emmy Awards for Outstanding Comedy
Series three years in a row (1975–77), and continued to be honored
long after the final episode aired.   
 

Mary Tyler Moore