Many familiar faces return for this day of crisis. A fearsome new villain is played with cold-hearted intensity. The threat this time around is much different, and for Jack Bauer there are multiple situations to deal with. Jack has to make some extremely difficult choices, including how to handle a new love in his life who happens to be the daughter of the Secretary of Defense. Their new found love will be put to the ultimate test during the next 24 hours.

Title from container. Based on the characters created by Joel Surnow, Robert Cochran. Originally broadcast by Fox during the 2004-2005 season. Special features include: Bonus scenes that give a sneak peek and clues for season five, deleted scenes, cell phone mobisodes, featurettes, commentary on selected episodes.

Disc 1 : episodes 1-4 -- Disc 2 : episodes 5-8 -- Disc 3 : episodes 9-12 -- Disc 4 : episodes 13-16 -- Disc 5 : episodes 17-20 -- Disc 6 : episodes 21-24 -- Disc 7 : special features.