Today sees the final hour of Spooks, the BBC's long-running and critically acclaimed espionage drama. After ten series and almost a decade on the air, the show signs off after its 85th episode on BBC One at 9 PM tonight.

The show first aired on May 13, 2002, telling the stories of a crack team of agents for Britain's elite spy agency MI5. It rose to become an institution of British TV, its ten series (seasons) virtually unheard of for a serial drama and more than that of other feted shows like Waking The Dead and Wire In The Blood.

Along the way, it showcased a number of talented actors...