

Counterterrorism agent Jack Bauer fights the bad guys of the world, a day at a time. With each week's episode unfolding in real-time, "24" covers a single day in the life of Bauer each season.
Season information provided by TMDB.

2001
24 episodes
Counter-terrorism agent Jack Bauer attempts to stop the assassination of United States Senator David Palmer on the day of the California presidential primary, while those spearheading the assassination plot stop at nothing to exact revenge on Bauer and Palmer.

2002
24 episodes
The second season is set 18 months after season one. The season's main plot follows the work of now-U.S. President David Palmer and agent Jack Bauer to stop terrorists from detonating a nuclear bomb in Los Angeles. Introduced into the situation is Kate Warner, a woman who ends up getting vital information related to CTU's mission.

Official trailers and clips from TMDB.

Tate Donovan
Mark Boudreau

William Devane
James Heller

Elisha Cuthbert
Kim Bauer

Leslie Hope
Teri Bauer

John Terry
Bob Warner

Sarah Wynter
Kate Warner
2003
24 episodes
The third season is set 3 years after season two. It takes place primarily in Los Angeles but also in northern Mexico when Jack Bauer meets a family of drug dealers. Throughout the day, Jack Bauer and President David Palmer attempt to stop the release of a deadly virus by Stephen Saunders – a former government agent.