How many spinoffs did "The Mary Tyler Moore Show" (CBS, 1970-77) have?

“The Mary Tyler Moore Show” (CBS, 1970-77) had three spinoffs, all on CBS:

“Rhoda” (1974-78); “Phyllis” (1975-77); and “Lou Grant” (1977-82).

When did Edith Bunker die? Edith Bunker died after "All in the Family" (CBS, 1971-79) had become "Archie Bunker's Place" (CBS, 1979-83). The 1980-81 season opened with Archie grieving over her death, which was not portrayed directly.
Where does the word “video” come from? The word "video" comes from the Latin word for "I see."
Who were “He and She” on the TV series (CBS, 1967-68)? Real-life married couple Richard Benjamin and Paula Prentiss played Dick and Paula Hollister on the TV series "He and She" (CBS, 1967-68). He was a cartoonist, she a social worker. They lived in…
Where did Archie and Edith Bunker of “All in the Family” (CBS, 1971-79) live? Archie and Edith Bunker of "All in the Family" (CBS, 1971-79) lived at 704 Houser Street in Queens, New York.
Who wrote The Bell Jail? The novel of attempted suicide and recovery The Bell Jail was written by Sylvia Plath, but was first published under the pseudonym of Victoria Lucas in 1963. It did not appear under the…
In what movie did Clint Eastwood say, “Go ahead. Make my day”? Clint Eastwood said, "Go ahead. Make my day" in the movie Sudden Impact (1983).