Season One of the television series 24 was first broadcast from November 2001 to May 2002. The season's storyline starts at 12:00 a.m. on the day of California Presidential primary.
Season Two of 24 was first broadcast from October 28, 2002 to May 20, 2003. The premiere episode is a full one hour running time and commercial-free.
Season Three, also known as Day 3 of the television series 24 premiered in America on October 28, 2003 and aired its season finale on May 25, 2004. The premiere episode had a full one hour running time and was commercial-free.