CTU wants ex-FBI agent, Renee Walker, to infiltrate a Russian gang which is selling weapons-grade enriched uranium to the assassination plotters. ...

Chloe and Jack continue to look for the person that planted documents on Meredith's laptop. Close to the target, Jack gets tased by a cop who thinks Jack killed his colle ...

CTU detains a reporter it suspects of helping assassins, while Jack and Chloe start their own investigation. ...

Set in New York City, Jack Bauer is unwillingly drawn back into action just as President Allison Taylor negotiates international security with Omar Hassan, a determined M ...

Jack seeks solace from a hospital bed, a shadowy traitor comes into the open, and President Taylor, Renee Walker, and Kim Bauer each have a decision to make. ...

Jack is abducted for nefarious purposes, Kim sits in danger at the airport, and Olivia matches wits with Ethan Kanin. ...

Olivia wants revenge against Jonas, while Jack, Chloe, Janis, and Renee try to locate a young Arab who is being set up to take the fall for a new terrorist attack. ...

A shadowy group of powerful people decide to stage another attack as Jack rues trusting the wrong person, Jonas seeks asylum, and the CTU servers boot up. ...

As grief and loss begin to overwhelm Jack and those he is close to, a double-cross goes undetected, a canister of toxic gas is in enemy hands, and a surprise death occurs ...

The President meets with Jonas Hodges while Jack battles toxins in his body and works with someone inside the Starkwood compound: can they destroy the bio-weapons before ...

Jack battles the effects of toxic exposure, a reporter squeezes the President's Chief of Staff, and it is a race against time to locate weapons on the Starkwood compound. ...

After Jack is exposed to a biological agent, Moss leads an FBI strike force onto the Starkwood compound in search of weapons of mass destruction. ...

While the FBI hunts for Jack, he and another ex-CTU rogue search for biological weapons that Starkwood has smuggled into the U.S. ...

Jack visits a U.S. Senator in pursuit of links between Juma and Starkwood, an international corporation. Security leaks at the FBI continue as they hunt for Jack. ...

While the President is in danger and the Vice President vacillates, Jack and Bill try to counter Juma, realizing later that his plot is part of a larger threat. ...

General Juma's direct attack on the White House endangers the President, Jack, Bill Buchanan, and the President's daughter. ...

Intelligence suggests another attack is imminent, so Jack goes to the White House to interrogate a Senator's Chief of Staff. ...

Moles within the U.S. government go to great lengths to protect their anonymity when they fear that Dubaku's list of corrupt employees will fall into FBI hands. ...

The President rushes to the hospital as Dubaku plans an escape to Belize with Marika. The mole at the FBI keeps burrowing. ...

Jack and an FBI agent believed dead have less than an hour to rescue the First Gentleman from certain death. Can they trust anyone? ...

Jack and his patchwork team race to prevent an act of terror against a chemical plant; the President's husband and an African Prime Minister remain in danger. ...

The President defies murderous demands, while Jack and his CTU colleagues unearth an FBI Agent and plant a wire on a deposed Prime Minister. Who's in the conspiracy? ...

After they capture the Matobos Jack, Tony, and Emerson take them and Agent Walker to a safe location. Agent Moss has to not only find Walker but also deal with the fallou ...

Bauer decides to trust two former CTU colleagues, and he helps a third escape from the FBI. ...

Conspiracy may be deep within the President's administration, her dead son may not have killed himself, and a colleague Jack thought was dead has turned terrorist: how ar ...

Jack and Renee try to find a sniper after the death of a witness. Tony Almeida's terrorist cell gains control of the air traffic control system. Henry Taylor makes an off ...

Four years after Abu Fayed's reign of terror CTU has been disbanded by forces inside the government. Jack Bauer is facing questions in a US Senate hearing for actions he ...