24 - Season 5 Episode 23 Link

This hour set the stage for one of the most iconic finales in television history, leading directly into the season-ending twist where Jack is abducted by Chinese agents. "24" Day 5: 5:00 a.m.-6:00 a.m. (TV Episode 2006) - IMDb

Mike Novick and Aaron Pierce assist Jack from within the administration, while Chloe O'Brian and her ex-husband, Morris, provide technical support to help Jack infiltrate the presidential detail. 24 - Season 5 Episode 23

The episode is praised for its relentless speed and "masterclass in suspense," particularly during the close-quarters submarine sequences. This hour set the stage for one of

First Lady Martha Logan plays a critical role, using her influence to stall the President long enough for Jack to gain access to the helicopter, Marine One. Critical Impact & Reception The episode is praised for its relentless speed

The episode begins with Jack Bauer in a race against time to stop Vladimir Bierko, who has hijacked a Russian submarine and intends to launch twelve multiple-warhead missiles at American soil. Jack forms an uneasy alliance with his former mentor-turned-villain, Christopher Henderson, to infiltrate the sub. In a brutal final confrontation, Jack kills Bierko by snapping his neck while the terrorist is locked in a scissor hold.

The penultimate hour of (Episode 23, "5:00 AM – 6:00 AM") is widely regarded by fans and critics as a masterclass in high-stakes television, serving as the first half of a pulse-pounding two-hour season finale. The Final Strike on Bierko

With the immediate terrorist threat over, the focus shifts entirely to President Charles Logan, the season's ultimate antagonist.