Season	Episodes	Release date	Rating
Series 1 Defending their country, deceiving their friends - it's all in a day's work for the agents at MI5, the Security Service. The elite team tackle organised crime, espionage and terrorist activities, as well as the conflicts and power struggles back in the office. There's a car bomb in Liverpool, a s…	6	2002-05-13	8.4
Series 2 The second series gets off to an explosive start, picking up at the exact moment the first one finished. MI5 agent Tom's girlfriend Ellie and her young daughter are trapped inside a securely sealed house in which a bomb is about to explode, and there's no way out. There's also organised crime, te…	10	2003-06-02	8.6
Series 3 It is all change in the clandestine world of MI5 when new agent, Adam Carter, joins the team. Tom has been branded a traitor and has disappeared, while Harry is in hospital, seriously wounded, and there is dissension in the ranks. Danny and Zoe seek to clear Tom's name despite the fact he appears…	10	2004-10-11	8.6
Series 4 The group are still reeling after the shocking events at the end of the last series. Now rising star Zafar joins the team as they set out to become even stronger in their battle to safeguard the nation. When London comes under terrorist attack Adam is forced to make an impossible decision, Harry …	10	2005-09-12	8.8
Series 5 Series 5 begins with Britain left reeling after a series of terrorist attacks. Our team believe the attacks cloak a conspiracy to destroy democracy and turn Britain into a 'police state'. Can the team protect the democratic way of life? Zafar goes undercover and infiltrates a home-grown Islamic t…	10	2006-09-17	8.8
Series 6 Adam and Ros recover to find London facing an even greater threat. While attempting to thwart an attack that could jeopardise a historic peace accord between Britain and Iran, the team unwittingly unleash a deadly killer. But with a virus that mimics the pneumonic plague, there can be no negotiat…	10	2007-10-16	8.8
Series 7 Series seven sees officer Lucas North joining MI5. Having spent the past eight years in a Russian prison, Lucas North is welcomed back by MI5 supremo and old friend Harry Pearce, who was instrumental in finally securing his release.	8	2008-10-27	9.5
Series 8 The eighth action-packed series finds the team in a race against time to rescue Harry, who has been kidnapped by rogue Russian agents. But as they dig deeper into his disappearance, they find a trail that leads to Iraq, and a conspiracy that involves the CIA, MI6 and some missing weapons-grade ur…	8	2009-11-04	9.4
Series 9 It’s a new world for the Spooks team: Ros’s death and a new coalition parliament herald in an era of re-assessment of the role of Britain, MI5 and even the life of a Spook. Faced with Ros’s barely attended funeral, the team come to question what a person sacrifices when they become a spy, provoki…	8	2010-09-20	9.3
Series 10 In the tenth and final series, secrets tumble out when former foes of Harry Pearce during the Cold War fly into London to negotiate a partnership between Russia and the UK.	6	2011-09-18	9.5

Spooks

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