List of 24 episodes. The first season of the American drama television series 24, also known as Day 1, was first broadcast from November 6, 2001, to May 21, 2002 on Fox. The season's storyline starts at midnight and ends at the following midnight on the day of the California presidential primary.

Jack Bauer, an agent working for Los Angeles's Counter Terrorist Unit, along with his team, tries to thwart multiple terrorist plots to protect innocent people.