The two continue to manage the tactical operations at CTU, with Michelle struggling to balance the professional necessity of the mission against the personal tragedy involving Paul and Audrey. Critical and Fan Reception
Habib Marwan accelerates his timeline after realizing CTU has upgraded its technical defenses, making it harder for him to jam their satellite tracking. By the end of the hour, Jack Bauer and Curtis Manning track Marwan to a factory. Despite a fierce gun battle, they arrive seconds too late to stop the launch sequence; the episode ends with the team helplessly watching as a nuclear missile is fired toward an unknown target. Watch 24 4x21 1
Critics and viewers often highlight this episode for its relentless pacing and high-stakes "cliffhanger" ending. The two continue to manage the tactical operations
Reviewers on IMDb praised the episode's "masterful build-up of suspense" and the kinetic energy provided by the cinematography. Despite a fierce gun battle, they arrive seconds
