DramaAction & AdventureCrime
MI-5
2002-20118.3 IMDbEpisode avg 8.010 seasons · 86 rated episodes
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.
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Last updated 6/6/2026
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