Episode 4 — 24 - Season 2

While following a lead in a garage, CTU Director George Mason is exposed to a lethal dose of plutonium . He is informed he has roughly one week to live, setting up his redemptive arc for the remainder of the season.

Jack Bauer tracks down Joseph Wald , the leader of a domestic terrorist cell. During a high-stakes interrogation, he discovers that Wald obtained CTU’s internal schematics from someone with high-level access, pointing to a deep-seated conspiracy.

Kate Warner’s investigation into her sister’s fiancé, Reza Naiyeer , gains traction as a private investigator provides evidence linking him to known terrorists. Behind the Scenes 24 - Season 2 Episode 4

This episode is noted for its "Rambo-esque" Jack Bauer sequences, as he transitions from a grieving loner back into a tactical operative willing to work outside the law. Season 2 filming locations | Wiki 24 | Fandom

Terrorists posing as electrical contractors successfully plant explosives inside the CTU building. Despite a last-minute evacuation ordered by President Palmer , the bombs detonate, causing massive casualties and leaving the headquarters in ruins. While following a lead in a garage, CTU

In the fourth hour of (11:00 a.m. – 12:00 p.m.), the nuclear threat escalates from a looming shadow to a devastating direct hit on the Counter Terrorist Unit (CTU) . Key Narrative Beats

Fleeing Gary Matheson’s abusive household, Kim takes young Megan to a hospital, only for the staff to discover the extent of the child’s injuries, further complicating Kim’s frantic run. During a high-stakes interrogation, he discovers that Wald

At the White House, President Palmer fires NSA Deputy Director Eric Rayburn after discovering Rayburn intentionally delayed the warning about the CTU bombing to protect Jack's undercover status. Character Development Highlights