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Episode Guides
| Season One |
| Season 1 begins and ends at 12 a.m., and occurs on the day of the California presidential primary. Jack Bauer must protect Senator David Palmer from an assassination plot, and rescue his family from those responsible for the plot, who seek retribution for Jack's involvement with a covert U.S. mission in the Balkans. |
| Season Two |
| Season 2 begins and ends at 8:00 AM. Jack must stop a nuclear bomb from detonating in Los Angeles, then assist President David Palmer in proving who is responsible for the threat. Kate Warner and her family get mixed up in the crisis when her soon-to-be brother in law is taken into custody. |
| Season Three |
| Season 3 begins and ends at 1 PM. While struggling with heroin addiction, Jack must re-infiltrate a Mexican drug cartel in order to keep it from acquiring a deadly virus. Jack must then stop the mastermind behind the virus from releasing it. Meanwhile, Michelle battles with the possibility of contracting the virus herself. |
| Season Four |
| Season 4 begins and ends at 7 AM. Jack must save the lives of Secretary Heller and his daughter Audrey Raines when they are kidnapped by terrorists. The same terrorists then launch further attacks against America, and to stop them Jack is forced to use unorthodox methods that has long-term consequences for himself. |
| Season Five |
| Season 5 begins and ends at 7:00 AM. Jack is believed to be dead by everyone except a few of his closest friends. Terrorists with connections to the U.S. government attempt to steal nerve gas in order to protect US oil interests in Asia, and Jack must resurface to stop them. |
| Season Six |
| Season 6 begins and ends at 6:00 AM. Jack is released after being tortured in a Chinese prison for twenty months. Terrorists attempt to set off suitcase nuclear devices in the United States and Jack must stop them as well as prevent sensitive circuitry from falling into the hands of the Chinese to prevent war between the U.S. and Russia. |
| Season Seven |
| Season 7 begins and ends at 7:00 AM. With CTU disbanded, Jack Bauer is on trial concerning his past extralegal activities. Jack’s day takes an unexpected turn when former colleague and supposedly deceased Tony Almeida returns. A national security crisis prompts an investigation by a team of FBI agents. |
Other Episode Guides: 24 Spin-Offs
24 Episode Guides
Season 1 | Season 2 | Season 3 | Season 4 | Season 5 | Season 6 | Season 7 | Others