The BEST seasons of Spooks

Every season of Spooks ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Spooks!

A tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure suite of offices known as The Grid.