Spooks (known as
MI-5 in some countries) is a
British television drama series that originally aired on
BBC One from 13 May 2002 to 23 October 2011, consisting of 10 series. 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. It is notable for various stylistic touches, and its use of popular guest actors. In the United States, the show is broadcast under the title
MI-5. In Canada, the programme originally aired as
MI5 but now airs on
BBC Canada as
Spooks.