Megan Gallagher

Langston testifies against the notorious 'Dick and Jane' killer, Nate Haskell. Meanwhile, Nick receives a call from troubled teen Jason McCann to warn him of impending danger. Also available on iTunes

David is held hostage in an elevator at the F.B.I. building, and Don keeps brushing aside Charlie's suggestion to save David as an all-out assault is planned. Also available on iTunes and VUDU

In the second half of the Season Six premiere, the fight against terror continues after the frightening first two hours set the tone for what appears to be another horrifically long day for Jack Bauer. As a series of lethal terrorist attacks rattle America, President Wayne Palmer, the strong-minded brother of the late President David Palmer, and his team of advisors, including Karen Hayes, Thomas Lennox and CTU colleagues Chloe O'Brian, Curtis Manning and Bill Buchanan, cope with unthinkable events unfolding.

20 months after last season's shocking season finale, when Jack Bauer was captured by Chinese government agents and taken battered and bloodied to points unknown, a series of horrific terrorist attacks rocks the nation. President Wayne Palmer, the strong-minded brother of the late President David Palmer, and his team of advisors, including Karen Hayes, Thomas Lennox and CTU colleagues Chloe O'Brian, Curtis Manning and Bill Buchanan, begin an unthinkable, nail-biting day.