24 - Season 5 Episode 23 Direct

The episode is praised for its relentless speed and "masterclass in suspense," particularly during the close-quarters submarine sequences.

Once the missile threat is neutralized, Jack finally settles the score with Henderson. After Henderson attempts to shoot Jack with an unloaded pistol—a final test of Jack's resolve—Jack executes him in cold blood. Jack justifies the killing by citing Henderson's direct responsibility for the deaths of American icons David Palmer, Tony Almeida, and Michelle Dessler earlier in the season. 24 - Season 5 Episode 23

With the immediate terrorist threat over, the focus shifts entirely to President Charles Logan, the season's ultimate antagonist. The episode is praised for its relentless speed

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 Jack justifies the killing by citing Henderson's direct