at 9:00, the mary tyler moore show.bob newhart show. >> it ended with the carol burnett variety shower at 10:00. >> murderers row. >> we had no dvr is, no vhs, nothing with initials. so, people would stay home on saturday night. they wouldn't go to the movies, they wouldn't go to restaurants. >> that may be the best night of television in all of television history. >> mary tyler moore was a single woman, working, as an associate producer on a nightly tv show. >> you know what? you've got spunk. >> i hate spunk. >> there were a lot of young women entering the workplace and for some of them, mary tyler moore would like a port of entry. >> i am doing as good a job as he did. >> better. >> better. and i am being paid less than he was, because? >> you are a woman. >> the television female could be a hero. she could be the main event. >> rita? >> the first script written by alan burns and jim brooks had mary coming to minneapolis divorced. quickly cbs says no no no no no. >> at the beginning of the decade, divorce was conside