1952: "The Adventures of Ozzie & Harriet" begins, establishing the night for family fare.
1960: Yabba dabba doo! "The Flintstones" brightens ABC's lineup.
1964: "Gomer Pyle, U.S.M.C." enlists in the battle, followed a year later by "Hogan's Heroes."
1969: Audiences first hear a story about a man named Brady; one year later, they get happy with "The Partridge Family."
1976: "Donny and Marie" prove that variety can be the spice of Friday-night life.
1980: "Dallas" and "Dukes of Hazzard" are the most-watched shows on TV.
1984: Everything looks Sonny when "Miami Vice" settles into its Friday slot.
1987: ABC declares "TGIF" with "Full House," soon followed by "Family Matters" and "Step by Step."
1994: "Homicide: Life on the Street" accumulated critical acclaim, but no huge audiences, while sitting on the Friday shelf.
1997: CBS loved "Raymond" so much they moved it from Friday to Monday after just six months.
2000: "CSI" debuts on Friday; it gets promoted to Thursday after less than four months. NEAL JUSTIN