"Nuclear Strike" is the series seven finale and 64th episode of the British espionage television series Spooks. It was originally broadcast on BBC One on 8 December 2008. The episode was written by Neil Cross, and directed by Sam Miller. In the episode, Tiresias, the Russian equivalent of Sugarhorse, awakens a sleeper agent to detonate a nuclear suitcase bomb in central London. The Section D team use Connie James, an FSB mole who helped set up Tiresias, to help them stop the bomb. However, the team find themselves targeted by an FSB kill squad, who are unaware of the bomb threat.