For more in-depth episode guides and cast information, you can visit the IMDb page for the pilot or check for streaming options on Hulu and Prime Video. 24 season 1 episode 1

The episode established the series' signature real-time format , where each episode represents one hour of the day.

Jack's mentor, Richard Walsh, warns him of a potential mole within CTU who may be involved in the assassination plot.

The first episode of Season 1, titled " 12:00 a.m. – 1:00 a.m. " , originally aired on November 6, 2001. It introduces Jack Bauer, the Director of Field Operations for the Counter Terrorist Unit (CTU) in Los Angeles, whose life and career are upended in a single hour. Key Plot Developments

The pilot features Kiefer Sutherland as Jack Bauer, Dennis Haysbert as David Palmer, and Elisha Cuthbert as Kim Bauer.

Originally set for October 2001, the premiere was pushed back a week due to the September 11 terrorist attacks.