What TV Show is This Opening Scene From?

If you guessed the "Mary Tyler Moore Show" you guessed correct.

The "Mary Tyler Moore Show" first debuted today (Sept. 19) on CBS, the show was a breakthrough for its time, with Mary Tyler Moore's character, Mary Richards, who was a single woman"trying to make it on her own." Richards was never widowed or divorced, or sought the help of a man, which differed in the way woman were portrayed on TV at that time.