ABC temporarily converted the Good Morning America marquee broadcast studio into a type of "millennium command center" that included a desk, where a standing Jennings spent most of his time, two lounge chairs, where Jennings would interview guests, a large screen with a time-zone included map of the world, a wall of clocks, and a makeshift newsroom where ABC News staffers would follow the latest developments.

Jack Ford was stationed in Times Square throughout the broadcast, and was also joined by entertainer Dick Clark (the creator and host of his namesake New Year's Rockin' Eve, which did not air due to ABC 2000 Today being shown instead) as a correspondent to conduct his traditional countdown.

Other correspondents were Charles Gibson in London, Diane Sawyer in New York, Barbara Walters in Paris, Sam Donaldson at the Y2K Command Center in Washington, Connie Chung in Las Vegas, Deborah Roberts at Walt Disney World, Morton Dean in Moscow, and literally hundreds of others at ABC News, technicians and newsmen, who worked throughout the day to bring the broadcast.

The network was part of the 2000 Today consortium that included PBS, WGBH, the BBC in the United Kingdom, ATV in Hong Kong, RCTI in Indonesia, RTM in Malaysia, CCTV in China, TCS and Singapore Television Twelve in Singapore, ABC in Australia, TV Asahi in Japan, MBC in South Korea, SABC in South Africa, TVE in Spain, Rede Record in Brazil, GMA Network in the Philippines, RTL in Germany, RTP in Portugal, TV3 in New Zealand, Televisa and Once TV in Mexico, TVN in Chile, CBC and Radio-Canada in Canada, TF1 and France 2 in France, RAI in Italy, and RTÉ in Ireland.

(The program was nonetheless consistently promoted under the ABC 2000 name, possibly to avoid confusion with the U.S. morning show Today, which airs on rival network NBC.)

[6] By contrast, CBS had hourly updates throughout the day with Dan Rather, a special 8 pm edition of the Late Show with David Letterman and from 10pm-1am ET, Rather and actor and rapper Will Smith hosted America's Millennium live from Times Square and Washington D.C.

The three-and-a-half-hour special featured a "meaningful and reflective" view on New Year's celebrations from around the world (especially in the wake of the September 11 attacks), and performances by Arlo Guthrie, Sting, and U2.