Ep 21. Day 6: 2:00 A.M.-3:00 A.M

In Day 6: 2:00 A.M.-3:00 A.M., tensions continue to rise as Jack Bauer and his team work tirelessly to avert a terrorist attack. Audrey's connection to Jack proves useful as she gains access to confidential information that may aid in their mission. Meanwhile, President Wayne Palmer undergoes a risky medical procedure that may jeopardize his life as he tries to maintain control over the rapidly deteriorating situation. Elsewhere, Vice President Daniels makes a power move that sets him on a collision course with Jack and his team. As the clock ticks down, Jack faces his toughest challenge yet as he races against time to prevent catastrophe and save countless lives. Amidst all the chaos, loyalties will be tested and sacrifices will be made in the explosive penultimate episode of the season.