This list covers the 1984–1990 version.
11:30 a.m. timeslot (July 02, 1984–September 04, 1987)
November 22, 1984 (The 58th Annual Macy's Thanksgiving Day Parade)
January 01, 1985 (The 96th Annual Tournament of Roses Parade)
January 21, 1985 (Ronald Reagan re-inauguration coverage)
November 28, 1985 (The 59th Annual Macy's Thanksgiving Day Parade)
January 01, 1986 (The 97th Annual Tournament of Roses Parade)
January 28, 1986 (Space Shuttle Challenger explosion coverage [partially on the East Coast, entirely in all other time zones])
July 04, 1986 (Wimbledon Men's Singles Semifinals)
November 27, 1986 (The 60th Annual Macy's Thanksgiving Day Parade)
November 28, 1986 (Alvin and the Chipmunks, part of a Thanksgiving weekend marathon of NBC Saturday Morning cartoons)
January 01, 1987 (The 98th Annual Tournament of Roses Parade)
May 05/July 07-10; 13-16; 21; 28; 30-31, 1987 (Iran-Contra Coverage)
July 03, 1987 (Wimbledon Men's Singles Semifinals)
12:30 p.m. timeslot (September 07, 1987–March 24, 1989)
November 18, 1987 (Joint Congressional Committee on the Iran-Contra affair hearings)
November 26, 1987 (NFL game: Kansas City Chiefs vs. Detroit Lions)
January 01, 1988 (The 99th Annual Tournament of Roses Parade)
July 01, 1988 (Wimbledon Men's Singles Semifinals)
July 04, 1988 (Wimbledon coverage)
December 7, 1988 (Gorbachev departs from the USA; it was December 8 in Gorbachev's area)
January 02, 1989 (The 100th Annual Tournament of Roses Parade)
January 20, 1989 (George H.W. Bush inauguration coverage)
10:00 a.m. timeslot (March 27, 1989–March 23, 1990)
June 09, 1989 (1989 French Open Men's Singles Semifinals)
July 03, 1989 (Wimbledon coverage)
July 04, 1989 (Wimbledon coverage)
November 22, 1989 (The 63rd Annual Macy's Thanksgiving Day Parade)
December 25, 1989 (The Hope of Christmas)
January 01, 1990 (Fiesta Bowl Parade)