When she's captured by Jack and Chase, Nina unleashes a self repeating worm in CTU's computer system that cuts off inter-agency connectivity and endangers undercover CTU ...

Jack and Nina prepare to meet with Amador, the man selling the virus; CTU organizes an ambush. Ramon and Hector have a falling out. President Palmer asks his ex wife Sher ...

In order to get closer to the virus, Jack tries to make Nina believe he still has feelings for her. Wayne tries to gain the trust of Julia Milliken when Alan Milliken sta ...

A snag in the sale of the virus leads the Salazars to question Jack's motivations and as a result they put his allegiances to the test. Claudia works to help Chase escape ...

On the day of the California Presidential Primary, between 8:00 PM and 9:00 PM, Jack Bauer, Mark DeSalvo and his men try unsuccessfully to escape with Victor Drazen from ...

On the day of the California Presidential Primary, between 2:00 PM and 3:00 PM, Senator David Palmer calls Alan Opticam from Pentagon to break the protocol of an internal ...

On the day of the California Presidential Primary, between 1:00 PM and 2:00 PM, Jack is questioned by Regional Director Ryan Chappelle first and then by Alberta Green, be ...

Avasarala faces fallout for the UN's military mission. Ashford and Drummer makes big decisions about their future within the OPA. A spreading illness on Ilus takes a toll ...

The Roci crew prepares for an incoming disaster on Ilus. Ashford and Drummer close in on an enemy within the Belt. Bobbie takes on a dangerous job. ...

Drummer and Ashford confront a dangerous person from Naomi's past. Murtry hunts down a target. Bobbie's makes a life-changing confession. ...

New alien threats emerge on Ilus as Naomi battles health challenges on the planet. Bobbie searches for a missing person on Mars. Avasarala faces a new challenge in the UN ...

In Pittsburgh, there's a sudden suicide spike, with all of the victims being family members of or related to the victims of a recent fire. Soon the team discovers that th ...

At the high school at Quantico, Virginia, a 15-year-old boy (a son of a Marine major) seizes control of a classroom and six schoolmates, threatening to detonate a bomb st ...