Four more suitcase nukes are out there, and Jack's only lead takes him to the home of his brother. ...

While Jack has problems with Curtis, CTU discovers a nuclear threat and raids a terrorist warehouse, and a shocking explosion shakes LA. ...

Jack and former terrorist leader turned peacemaker, Hamri Al-Assad, track a suspicious man to a self-storage facility. ...

Can Jack and an unlikely ally stop a suicide bomber and track the architect of these acts of terror? ...

20 months after Jack Bauer was captured by Chinese government agents battered, bloodied and headed for points unknown. As a series of horrific terrorist attacks rocks the ...

Jack Bauer works with Martha Logan to get a confession out of President Logan and an old antagonist returns to settle a score with Jack. ...

Jack Bauer teams up with Christopher Henderson to put an end to Vladimir Bierko's terrorism. ...

Vladimir Bierko manages to escape custody and take control of a submarine, the Natalia, bent on getting his revenge against the US. Jack reluctantly teams up with Henders ...

When President Logan realizes he is backed into a corner, he resorts to a drastic solution. While Karen becomes an ally in Jack's quest to expose Logan, Miles changes all ...

Jack gets Henderson, but finds that the recording has been handed off. He tracks down the recording to a diplomatic flight. Jack gets on board, takes out the Marshal, and ...

Jack and Buchanan work outside the chain of command by recruiting Curtis for help. Homeland Director, Karen Hayes, begins to see discrepancies in the President's actions ...

Audrey and Jack meet Secretary of Defense Heller at the airport to give the recording to him. Heller says that it is not the right move to take down the President, and th ...

After discovering that the main antagonist of the nerve gas operation is President Logan, Jack and Wayne learn that Evelyn Martin has proof that Logan is complicit in the ...

With Bierko in custody, CTU makes Christopher Henderson their priority. The investigation is hindered by the take over of CTU by Homeland Security. Wayne Palmer reveals t ...

Audrey Raines is taken in to custody at CTU after Collette Stenger revealed that Audrey had passed information to her. Chloe also uncovers evidence that Audrey may have b ...

Homeland Security moves in to CTU as they move on Collette Stenger in a bid to get to Bierko. President Logan announces Martial Law in the Greater Los Angeles area. Wayne ...

CTU goes in to lock-down following the nerve gas attack. The gas remains a threat to the survivors as it breaks away seals protecting safe zones in the building. The terr ...

Christopher Henderson is taken in to CTU to be interrogated as one of the terrorists infiltrates the building using Lynn McGill's stolen key card. Kim Bauer is reunited w ...

Tony Almeida regains consciousness and learns of Michelle's death. President Logan deals with the aftermath of the attack on the Suvarovs' motorcade. As Jack attempts to ...

President Logan discovers that his wife, Martha, has joined the Suvarov's in the car. The Terrorists will set off the 19 canisters of nerve gas if Logan stops the motorca ...

Jack Bauer is contacted by James Nathanson, the man who sold the nerve gas to the terrorists. The terrorists are trying to kill Nathanson and he offers Jack information o ...

Posing as Rossler, Jack goes under cover with the terrorists in the hope that they will lead him to Erwich, even at the expense of hundreds of lives in a shopping mall. M ...

President Logan convinces Jack to accept reinstatement to CTU following the revelation that Erwich plans to use the nerve gas on Americans. CTU gets a lead on one of Erwi ...

Jack Bauer arranges to meet with Mike Novick after discovering that Walt Cummings is involved in the terrorist plot. Pre-empting this, Walt reveals his involvement and th ...

Jack Bauer is taken in to custody at CTU, but the terrorists admit that he remains a threat to their plans, tasking their man inside CTU to take him out. Despite her bein ...

Jack Bauer is captured by the terrorists who threaten to kill Derek if he doesn't feed CTU false information. There's a race against time as CTU must plan and execute the ...

Jack Bauer takes up a tactical position in the Terminal that the Terrorist group has taken over. As he feeds information to CTU about them, the Terrorists state their dem ...

CTU uncovers evidence that seemingly links Jack Bauer to the assassination of David Palmer. In a bid to clear his name, Jack enlists the help of Chloe O'Brian as they hea ...

Russian President Suvarov is set to meet President Logan to sign an arms treaty when David Palmer is assassinated, Tony Almeida and Michelle Dessler are hit by a car bomb ...

Jack must hunt down Habib Marwan and stop the nuclear bomb that is nearing its target which is Los Angeles. The Chinese demand Jack after Bern's confession and President ...

The Chinese representative kidnaps CTU Agent Howard Bern in an attempt to learn who led the raid on the embassy. Palmer and Logan may have to evacuate major U.S. cities i ...

Jack fails to stop Marwan from launching the nuclear warhead. Richard Heller becomes a suspect again and James Heller leads the interrogation. Mandy takes Tony hostage af ...