- 9.5/102 votes
#1 - On the Brink
Season 7 Episode 5 - Aired 11/10/2008
The British economy is on the brink of collapse and if one more bank goes down the entire financial system will implode. Ros goes undercover in the City to flush out a dangerous international financier who wants to bankrupt the country. Suddenly, it is not just the economy, but Ros's life that is at risk.
Director: Edward Hall
Writer: Christian Spurrier
- 9.5/102 votes
#2 - Accidental Discovery
Season 7 Episode 6 - Aired 11/17/2008
A teenage boy accidentally stumbles upon a government conspiracy and is instantly absorbed into the world of MI5, ending up on the run. Lucas and the team battle to protect the boy from those who wish to silence him. Harry receives a cryptic message from his asset in Russia which could be the key to bringing down the high-level MI5 mole.
Director: Edward Hall
Writer: David Farr
- 9.5/102 votes
#3 - Start a War
Season 8 Episode 7 - Aired 12/11/2009
After a Pakistani intelligence officer is murdered in South London, the head of the Pakistani intelligence service talks to Harry and Ros. They learn that there is a planned attack on some Muslims and there are determined to stop an all out war between the Hindu and Muslim communities.
Director: Edward Hall
Writer: James Dormer
- 9.5/102 votes
#4 - Dead Drop
Season 9 Episode 7 - Aired 11/1/2010
Lucas is plunged further into the depths of his past when Vaughn takes his manipulations to a new level. Ruth is approached and followed by an imbalanced council snooper who is convinced he's found a dead drop. She initially keeps her distance from him, but when her curiosity gets the better of her she ends up trapped in a situation not even he could have predicted. Lucas and Harry come face to face in the pursuit of the truth.
Director: Edward Hall
Writer: Anthony Neilson
- 9.5/102 votes
#5 - Cat and Mouse
Season 9 Episode 8 - Aired 11/8/2010
The team faces their toughest challenge ever: tracking down Lucas North, their Section Chief, friend and one of the best agents MI5 has ever had. Harry decides the team are too close, and brings in a specialist to help with the hunt. But it will not be easy to find a man who has nothing left to lose, and as the search becomes increasingly desperate, Harry and Lucas become embroiled in a deadly game of cat and mouse.
Director: Edward Hall
Writer: Jonathan Brackley
- 8.7/103 votes
#6 - Episode 5
Season 2 Episode 5 - Aired 5/21/2017
Sparring for Louisa's attention, Hugh and Spiros decide to hold a cricket match between the Greeks and the Brits.
Director: Edward Hall
Writer: Simon Nye
- 8.7/103 votes
#7 - Episode 6
Season 2 Episode 6 - Aired 5/28/2017
Hugh poses a life-changing question to Louisa, only to find himself a victim of Vasilia's jealousy.
Director: Edward Hall
Writer: Simon Nye
- 8.7/103 votes
#8 - Bankruptcy
Season 8 Episode 6 - Aired 12/4/2009
With the country on the verge of bankruptcy, the government can't pay its national debt payments. Section D is asked to get back more than a billion pounds of illegal earnings from the DeWits Bank. The team has to find out what, or who, Nightingale is after Ruth's investigations into the power meeting at Basel pay off.
Director: Edward Hall
Writer: Dennis Kelly
- 8.1/108 votes
#9 - Episode 5
Season 1 Episode 5 - Aired 5/19/2010
When a hacker interferes with air support causing a British missile to hit American forces, Porter is assigned the mission to find the man responsible, a former guidance engineer who was dismissed from the army. However, Porter is kidnapped and taken to a Taliban camp.
Director: Edward Hall
Writer: Robert Murphy
- 7.7/103 votes
#10 - Episode 4
Season 2 Episode 4 - Aired 5/14/2017
Aunt Hermione arrives with her friend who claims to be a medium, and so they hold a seance to see if Louisa can be reunited with her late husband.
Director: Edward Hall
Writer: Simon Nye
- 7.5/102 votes
#11 - Sleeping Murder
Season 2 Episode 1 - Aired 2/5/2006
Gwenda Halliday, a wealthy young Englishwoman recently emigrated from India, intuitively buys a seaside manor house, where she re-experiences a murder.
Director: Edward Hall
Writer: Stephen Churchett