Last updated on Monday 20 January 2014 at 22:15 UK

Watch 24 - Series 4 - Episode 1 Online Free

24 - Series 4 - Episode 1PLAY

On his new job for the Department of Defence...Jack goes to a meeting at the CTU just after a train bombing, and becomes embroiled in efforts to thwart a second attack rumoured to be planned by Turkish terrorists.

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