Retired federal agent Jack Bauer is pulled back into field work after CTU learns of an impending nuclear attack in Los Angeles, while Kim's new job as a nanny takes an un ...

Jack goes undercover to find Joseph Wald, where he learns that CTU is going to be bombed. Kate Warner becomes suspicious of her sister's Middle-Eastern fiancé when PI co ...

Jack sends out a warning that CTU is the target of a terrorist attack. After leaving CTU an hour earlier Director Mason personally checks on a lead regarding the nuclear ...

CTU is attacked and faces serious casualties. After deposing Joseph Wald's domestic terrorist group, Jack learns who gave Joe the schematics for CTU. President Palmer fir ...

Mason and Jack prepare to interrogate Nina Meyers when they learn she gave Wald access to CTU. Tony goes to the Warner household to check up on Reza's possible connection ...

Jack takes charge of the Nina Meyers interrogation after she demands a Presidential pardon. President Palmer not only has deal with the crash of the ambassador's helicopt ...

Jack boards a plane with Nina Meyers and several FBI agents because they have to meet a contact in Visalia,California who has info on the bomb's location. Nina tries to e ...

Jack and Nina try to get more info about the bomb from her Visalia contact on the way back to LA. Tony learns of Bob Warner's status as a CIA contractor. Stanton expresse ...

The plane carrying Jack and Nina is shot down and together they must fight off a group of soldiers. Mason plays Bob Warner against Reza to find out which one working with ...

Jack is captured by Nina Meyers and used as leverage in an attempt to get a presidential pardon. President Palmer learns the identity of one of the conspirators in his ad ...

Kate Warner leads Jack on mission to locate and id Syed Ali. President Palmer places Stanton under arrest and makes an out of character decision on how to handle the inte ...

Jack tries to get information out of Syed Ali. Mason gets Bob Warner to reveal some previously classified history on Marie that paints Reza's murder in a new light. Lynne ...

Jack discovers the bodies of six additional Coral Snake Commandos as a Tactical Team gets closer to the bomb's location. Division sends in Brad Hammond to look into CTU L ...

Jack and Kate try to get Marie to reveal the exact location of the bomb in the airfield. Mason steps down as Director after his condition worsens. President Palmer confro ...

Jack must deal with the nuclear bomb at the airport. CTU discovers a recording implicating that Sayed Ali is supported by three presidents of Middle-Eastern countries. ...

Jack gets back to CTU after the bomb exploded. The situation there is tense since Tony became head of the Unit, especially when a key witness is assassinated. President P ...

Jack and Kate leave CTU to meet with the lone surviving member of the Coral Snake Commandos who says he has evidence that the tape is fake. President Palmer wants to wait ...

Jack, Kate, and Yousef try to get Wallace to a hospital after he gets shot by unknown assailants. President Palmer tries to deal with civil unrest as Muslim communities a ...

Jack is captured by a group of men working for an oil magnate named Peter Kingsley who's looking to capitalize on the coming war. Lynne Kresge discovers that Vice-Preside ...

Jack tries to escape from Kingsley men. Lynn Kresge tries to warn the President about the conspiracy. Regional Director Chappelle return to CTU. Kate buys herself more ti ...

Jack heads to meet Alex Hewitt who may be the person who designed the computer chip. President Palmer's ability to the run the country is questioned when the Vice-Preside ...

Jack discovers that Shery Palmer is somehow involved in the conspiracy when he tries to talk to Alex Hewitt. Tony and Michelle make a critical decision on how to handle t ...

Jack has Sherry contact Peter Kingsley who turns out to be the mastermind behind the tape. Mike Novick realizes that he has made a huge error in judgment in supporting Pr ...

Jack and Sherry head to LA Coliseum to meet Peter Kingsley. Upon hearing evidence via the live audio feed, President Prescott aborts the air strike. David Palmer is reins ...