TV shows that hit No. 1 in ratings
"All in the Family" (No. 1 from 1971-76)
"Happy Days" (No. 1 from 1976-77)
"Laverne & Shirley" (1976-83)
Marshall created the TV stories "Laverne & Shirley" which featured his sister, Penny Marshall.
"60 Minutes" (No. 1 from 1979-80; 1982-83; 1991-94)
"Dallas" (No. 1 from 1980-1982 and 1983-84)
"Dynasty" (No. 1 from 1984-85)
"The Cosby Show" (No. 1 from 1985-90)
"Roseanne" (No. 1 from 1989-90, tied with "The Cosby Show")
"Cheers" (No. 1 from 1990-1991)
"Seinfeld" (No. 1 from 1994-95 and 1997-98)
"ER" (No. 1 from 1995-97 and 1998-99)
"Who Wants to Be a Millionaire" (No. 1 from 1999-2000)
"Survivor" (No. 1 from 2000-01)
"Friends" (No. 1 from 2001-02)
"CSI" (No. 1 from 2002-03)
"American Idol" (No. 1 from 2003-11)
Sunday Night Football (No. 1 from 2011-12)
"NCIS" (No. 1 from 2012-13)