Question: how long has who wants to be a millionaire been on tv?
Answer: The original U.S. version premiered on ABC on August 16, 1999, as part of a two-week daily special event hosted by Regis Philbin. After this and a second two-week event aired in November 1999, ABC commissioned a regular series that launched on January 18, 2000, and ran until June 27, 2002.