Jack Bauer's return to action reaches a dramatic conclusion.
Jack Bauer battles to avert an international crisis.
Jack stops at nothing to end the day's catastrophic events.
Jack and Chloe scheme and shocking developments occur.
Jack Bauer and President Heller endure the unthinkable to thwart the terror attacks of mastermind Margot Al-Harazi.
The pulse-pounding clock ticks to a milestone 200th episode.
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