Description: The Mary Tyler Moore Show first aired in September of 1970 and was a breakthrough of sorts with women's liberation. The Mary Tyler Moore ran for seven years on CBS and was one of the most popular and acclaimed sitcoms of the seventies. The show centered around Mary Richards, who moved to Minneapolis after a breakup with her fiancé and got a job as associate producer at a TV station, WJM-TV. Production Company: MTM Productions, Inc. (Copyright currently held by 20th Century Fox Film Corporation) Spinoffs: Rhoda Phyllis Lou Grant CBS Broadcast History September 1970-December 1971 – Saturday 9:30 December 1971-September 1972 – Saturday 8:30 September 1972-November 1976 – Saturday 9:00 November 1976-September 1977 – Saturday 8:00 Nielsen Ratings #22 in the 1970-1971 Season #10 in the 1971-1972 Season #7 in the 1972-1973 Season #9 in the 1973-1974 Season #11 in the 1974-1975 Season #19 in the 1975-1976 Season #39 in the 1976-1977 Season