The fundraising event will air on NBC, Bravo, CNBC, E!, G4, MSNBC, Style, Syfy and USA from the New York studios of NBC at 30 Rockefeller Plaza. It will be broadcast live across the East Coast and tape-delayed on the West. The telethon also will be live-streamed on NBC.com.
Additional networks could join the broadcast of the telethon prior to airtime.
Money collected will be donated to the American Red Cross relief efforts for Hurricane Sandy, NBC said.