Last updated on Monday 20 January 2014 at 22:16 UK

Watch 24 - Series 6 - Episode 21 Online Free

24 - Series 6 - Episode 21PLAY

While defending CTU from an attack by Cheng’s men, Jack is surprised to learn that a member of his family is their target; and Lennox and Daniels devise a sting operation involving a spy for the Russians.

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