The correct answers are A) All in the Family and 3) Saturday Night Live.
The two television shows that challenged societal norms during the 1970s were "All in the Family" and "Saturday Night Live."
The first episode of "Saturday Night Live" was on October 11, 1975. It is a comedy sketch TV show that has included the most famous comedians in America. It has served to criticize in a humorous way the American society and politics.
From January 1971 to April 1979, "All in the Family" became one of the most influential TV comedies for the way it treated family and business issues in America in a way not previously done in a family TV show.
