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
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. 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
Jack informs CTU that he is going rogue to take down the President. Jack forms an uneasy alliance with his former