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 | [ Episode 10 ] 18th December 2007 BBC ONE
Adam and Jo are captured by a group called Red-backs, who torture spies to extract intelligence. Meanwhile, the truth surrounding Zaf's finally revealed - is he dead or alive?
|  | [ Episode 9 ] 11th December 2007 BBC ONE
Section D's suspended while the Home Office investigate Ros' betrayal. Meanwhile, someone orders Section D's assassination.
|  | [ Episode 8 ] 4th December 2007 BBC ONE
Ros is in grave danger after Bob Hogan discovers she's a traitor. Meanwhile, Harry's brought before Yalta's chief, whose identity shocks him to the core.
|  | [ Episode 7 ] 27th November 2007 BBC ONE
A live TV broadcast announcing the new peace accord between the UK, US and Iran is hijacked by armed gunmen. Can Adam and Ros defuse the situation before someone's hurt?
|  | [ Episode 6 ] 20th November 2007 BBC ONE
Harry discovers there's a mole at large in the Grid. Meanwhile, Ros and Adam board a plane undercover in an attempt to stop Iran becoming a nuclear power.
|  | [ Episode 5 ] 13th November 2007 BBC ONE
Ana drugs Adam and dumps him in the bath - can Ros reach him in time?
|  | [ Episode 4 ] 6th November 2007 BBC ONE
Jo's caught by an Algerian extremist and thrown into a car with a bomb...
|  | [ Episode 3 ] 30th October 2007 BBC ONE
With the team unaware of her kidnap, Ros is subjected to mental torture.
|  | [ Episode 2 ] 23rd October 2007 BBC ONE With Britain on the brink of a plague, the team must track down and quarantine anyone infected.
|  | [ Episode 1 ] 16th October 2007 BBC ONE
Adam and Zaf target a UK-bound terrorist with a train bomb in Tehran.
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