Watch 24 4x21 1 May 2026

Reviewers on IMDb praised the episode's "masterful build-up of suspense" and the kinetic energy provided by the cinematography.

In the 21st episode of Season 4, titled "Day 4: 3:00 a.m. – 4:00 a.m.," the tension reaches a breaking point as the domestic threat of a nuclear launch converges with a major international diplomatic crisis. Plot Summary: Domestic and International Crises Watch 24 4x21 1

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. Reviewers on IMDb praised the episode's "masterful build-up

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 Plot Summary: Domestic and International Crises Habib Marwan