The U.S. reels after several terrorist attacks. The late David Palmer's brother Wayne is now president, and Jack is released by his Chinese captors a shell of his former self.

After escaping the clutches of Fayed, Jack teams with an unlikely ally to track down the terrorist before he attacks again.

While Jack attempts to quell tension between Assad and Curtis, Ahmed forces an innocent man to become an accomplice.

Tensions rise between Morris and Milo, putting Chloe in the middle. Meanwhile, Jack deals with a volatile Curtis.

The fight against terror takes a new turn following the day's shocking events. A series of lethal terrorist attacks has rattled America and President Wayne Palmer, Jack Bauer and his CTU colleagues continue to cope with unfolding events.

As the nightmarish morning ticks toward what appears to be another long afternoon for Jack, the untimely and surprising faces of his family surface. Meanwhile the country reels from the threatening situation and additional terror attacks. Savvy politico Reed Pollack and Thomas Lennox strategize while President Wayne Palmer attempts to sort out a sticky situation.

As the horrific day unravels, Jack Bauer, reunited with his estranged father, deals with unthinkable challenges. While the nation copes with the nuclear attack and the threatening situation, developments in the Administration and at CTU intensify the critical circumstances facing the country.

The nation continues to reel from the terrorist attacks and Agent Bauer battles unthinkable circumstances. Savvy politico Reed Pollock and Vice President Noah Daniels become increasingly involved while Gredenko and Fayed maneuver the threat.

The nation continues to reel from the terrorist attacks and Agent Bauer battles unthinkable circumstances. Savvy politico Reed Pollock and Vice President Noah Daniels become increasingly involved while Gredenko and Fayed maneuver the threat.

CTU analyst Chloe O'Brian covers for a fellow agent, and CTU cohort Milo Pressman faces the pressure of a new threatening situation. Meanwhile, Jack Bauer struggles with yet another setback, the terror threat advances and the Administration remains bunkered down.

As a presidential press conference nears, President Palmer calls a staff meeting and unites two unlikely and influential people. Meanwhile, savvy politicos Tom Lennox and Reed Pollock encounter yet another tense situation as CTU copes with an unexpected weakness. A surprising development has Jack Bauer dealing with a familiar foe.

As the current Administration deals with a shocking setback, former President Charles Logan becomes increasingly involved. Meanwhile, politicos Pollock and Lennox are tied up in a very messy situation. Jack Bauer faces pulse-pounding pressure as he pursues new unexpected leads and dangerously attempts to thwart the terrorists for executing the unthinkable.

As Jack Bauer continues to pursue an unexpected lead, two unlikely foes come face-to-face in attempt to defuse an escalating international situation. CTU newcomer Mike Doyle makes an impact when he joins in the hunt for new leads. Meanwhile, the Administration and CTU prepare to take new measures that could change the world forever.

Following the shocking events at the Russian Consulate, CTU tracks Gredenko and attempts to thwart further terror attacks on U.S. soil. Jack Bauer copes with devastating news while Vice President Noah Daniels considers controversial strategies.

The nuclear threat has unexpected consequences while the investigation into the remaining nukes accelerates. As terrorists Gredenko and Fayed discuss their strategies, the Administration copes with the worsening situation during the ongoing power shifts. CTU commands newcomer Mike Doyle and Jack Bauer on an intense field operation as the clock continues to race.

Out of his coma, Palmer attempts to block the hawkish plans of Daniels. Meanwhile, Jack devises a plan to locate Fayed.

As the Administration resumes an offensive approach, they prepare for the unthinkable. Meanwhile, National Security Advisor Karen Hayes and her husband, CTU honcho Bill Buchanan, struggle with respective challenges while Jack Bauer and evildoer Fayed come face to face, which is followed by a shocking development.

After Jack Bauer and Agent Doyle team up in an attempt to prevent the advancement of the terror threat facing the country, Jack is jarred from an unforeseen development. Meanwhile, CTU shifts its focus as President Wayne Palmer rattles the Administration and the terror threat escalates.

Developments involving Jack Bauer and Agent Mike Doyle have CTU operatives and analysts scrambling to gain control of an intense situation. Vice President Daniels prepares to address the country while presidential advisor Tom Lennox participates in a personnel decision that will shake things up.

As the clock ticks closer to the final hours of Day Six, Jack Bauer copes with the consequences of taking matters into his own hands while Audrey endures what appears to be a post-traumatic reaction to being held captive. Emotions escalate as CTU responds to a setback and the Administration receives an alarming message from Russian President Suvarov.

As the clock ticks closer to the "Day Six" finale, Jack Bauer reels from the recent developments involving Audrey Raines while CTU stresses over the international significance of the threatening state of affairs. Meanwhile, unfortunate circumstances place Vice President Noah Daniels and presidential adviser Tom Lennox in a tense situation with presidential aide Lisa Miller.

As the climactic conclusion to 'Day Six" nears, the Administration copes with a compromising situation as Jack Bauer stops at nothing to get what he wants and to protect the country from an international incident that could change the world forever.

As the clock approaches the final hours of a long and terrifying day underscored by a nuclear blast, the loss of thousands of innocent lives, a Presidential assassination attempt and the recovery of threatening nukes, Jack stops at nothing to get what he wants and to protect the country from an international incident that could change the world forever.

As the clock approaches the final hours of a long and terrifying day underscored by a nuclear blast, the loss of thousands of innocent lives, a Presidential assassination attempt and the recovery of threatening nukes, Jack stops at nothing to get what he wants and to protect the country from an international incident that could change the world forever.