Spooks is a TV series that was first aired on BBC One from 13 May 2002 to 23 October 2011.

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 both its high production value, and its use of popular guest actors.

In the United States, the show is broadcast under the title MI-5.