As we come to the last four hours of the series reviewing them becomes harder than ever. Without giving everything away - Drazen breaks into the prison, but Jack becomes the prisoner while Kim tries to get back to CTU. Palmer is brought into the loop and CTU tries to arrange a hostage swap. The Drazen try to get Jack to do their dirty work but he's not entirely up to speed of their plan...but Kim's in trouble again. Jack discovers that there is still a traitor in CTU, but is even more worried when Nina calls with some unsettling news. What will become of the Bauers, Palmers and CTU? You'll have to watch and find out. Be sure to watch the alternate ending and see which you prefer!!!!