Adam and Fiona's marriage is tested when she insists on going undercover.

Syria

Drama

Spooks

Bomb threats, kidnappings... it's all in a day's work for the spooks

BAFTA-winning spy drama starring Keeley Hawes and Matthew McFadyen. The secret agents of MI5 must do all they can to protect the country from terrorism.

spooks

A car bomb explodes in Liverpool and Zoe is sent undercover to investigate.

Thou Shalt Not Kill

A secretary is recruited to help catch the instigator of race riots.

Looking After Our Own

Zoe is caught in a siege at the Turkish Embassy.

One Last Dance

Zoe is caught in a seige at the Turkish Embassy.

Anti-capitalist demonstrations intensify as President Bush prepares for a UK visit.

Traitor's Gate

The team track down a disgraced MP's memoirs, which are then leaked to the press.

The Rose Bed Memoirs

MI5 have to bargain with a terrorist when he offers information on a planned attack.

Lesser of Two Evils

A car bomb kills the Secretary of State for Northern Ireland and his two daughters.

Legitimate Targets

An undercover MI5 agent is identified and tortured inside a Birmingham mosque.

The Nest of Angels

Someone is hacking into MI5's central computer, and Zoe is sent undercover.

Spiders

Someone is hacking into MI5's central computer and Zoe is sent undercover.

MI5 is tasked by the government to track down both a thief and the stolen money.

Blood and Money

An Extreme Emergency Response Initiative Exercise alarm sounds, but is this a test?

I Spy Apocalypse

The American president makes an unscheduled trip to the UK.

Without Incident

When the President of the United States makes an unscheduled trip to the UK, it's a huge and complex operation. MI5 must work with the CIA and the President's security team to ensure his safety throughout.

The French Intelligence Service wants to work with M15 to catch an arms expert.

Clean Skin

The French Intelligence Service wants to work with M15 to catch an arms' expert.

There are rumblings of a new winter of discontent as Britain is brought to a standstill.

Strike Force

There are rumblings of a new 'Winter of Discontent' as Britain is brought to a standstill.

The team is faced with halting the murderous activities of Colombian drug traffickers.

The Seventh Division

The team is faced with halting the murderous activities of Colombian drug traffickers, the Chala Cartel. To get to the heart of the operation, Tom and Zoe go undercover as brother and sister.

In Miami, Florida, a known assassin is asked to come out of retirement for one last task.

Smoke and Mirrors

Tom Quinn has disappeared, accused of assassinating the Chief of the Defence Staff.

Project Friendly Fire

Harry awakens sleeper agent Fred, a renowned chemical engineer and Nobel Prize winner.

The Sleeper

Harry reawakens a 'sleeper': Fred Roberts, a renowned chemical engineer and Nobel Prize winner. He sold his soul to MI5 over twenty years ago in return for a helping hand on the career ladder, and now the time has come for him to repay his debt.

A controversial writer is targeted by a professional hitman.

Who Guards the Guards?

There is more than meets the eye when a controversial writer living in Britain under a fatwa is almost killed by a professional hitman. Bowing to his gut instincts, Adam puts Danny on Close Quarter Protection.

Patricia Norton, the key UN delegate, is abducted in her car by an unknown man.

A Prayer For My Daughter

Patricia Norton, the UN Chief Negotiator, is abducted in her car by an unknown man.

Zoe and Danny follow a rogue scientist suspected of researching biochemical warfare.

Love and Death

Zoe is in the firing line when an operation goes badly wrong.

Persephone

Zoe is in the firing line when an operation goes badly wrong. An undercover police officer posing as a gang member in a gun-running scam is shot dead, leaving a grieving widow and a lot of unanswered questions.

Hackers infiltrate highly sensitive computer systems, causing chaos across the country.

Outsiders

The baby son of a rock star and popular icon is kidnapped during a party.

Celebrity

The baby son of a rock star and popular icon is kidnapped during a party and Oliver Mace, chairman of the Joint Intelligence Committee, insists that MI5 are drawn into the high-profile investigation.

MI5 picks up a known mercenary for questioning about a top-secret Soviet Arms dump.

Frequently Asked Questions

Danny and Fiona are taken hostage whilst bugging a house.

The Suffering of Strangers

There is high drama in the last episode of the series as Danny and Fiona are taken hostage whilst bugging a house thought to be a meeting place for North African terrorists. Can Adam prevent death and disaster?

A terrorist bomb devastates London. Can MI5 catch the perpetrators before another strike?

The Special (Part 1)

As the hunt for the bomb maker continues, Adam races to save the life of one of his team.

The Special (Part 2)

As the hunt for the bomb maker intensifies, Adam races to save the life of one of his team. But with another bomb set to devastate London, Adam must chose between the life of an innocent girl and disaster.

Adam goes undercover to destroy a far-right political party from within.

Divided They Fall

Adam goes undercover to destroy a far right political party from within.

MI5 become aware that a terrorist is planning to enter the UK and launch an attack.

Road Trip

MI5 discover that a notoriously dangerous Islamic terrorist is planning to enter the UK and launch an attack. Adam and Zaf travel to Istanbul to infiltrate the route, and attempt to turn the terrorist away from his militant ideals.

Harry discovers an ex-MI5 officer's suicide was staged and vows to avenge his murder.

The Book

When a legendary ex-MI5 officer unexpectedly kills himself, Harry is immediately suspicious. It soon emerges that the death was staged, but as the team go on a desperate hunt for the killers, the search begins to lead dangerously close to home.

A suspect planning a terror attack from prison is released to lead MI5 to other plotters.

The Innocent

The team investigate a Soviet investor who the government see as the saviour of the NHS.

The Russian

The team investigate a multi-millionaire Soviet investor, who the government see as the saviour of the NHS. But is his offer of financial intervention too good to be true? And can Adam handle the pressure?

Harry's stand against the CIA's extradition policy on British Muslims gets him sacked.

The Sting

With the world on the brink of war with Iran the CIA are rounding up British Muslim citizens and illegally extraditing them. But when Harry makes a stand for their human rights, he puts his job on the line.

A legendary ex-spy pays a visit to Thames House with a bomb and holds the team to ransom.

Diana

A legendary ex-spy pays a visit to Thames House with a bomb and holds the team to ransom, demanding they produce evidence that proves the Security Services assassinated Diana, Princess of Wales.

The country is plunged into chaos by a series of terrorist attacks.

Gas and Oil (Part 1)

With their attempt on the home secretary's life foiled, the coup plotters up the stakes.

Gas and Oil (Part 2)

Zafar infiltrates a terrorist cell to persuade an extremist to become an MI5 double agent.

The Cell

Ros and Zaf go undercover at a World Trade Summit to try and solicit a yes vote.

World Trade

Ruth becomes the pawn in a dangerous game after she witnesses a man committing suicide.

The Message

Harry has agreed to help the British Government secure a deal with Saudi Arabia.

Hostage Takers (Part 1)

The hostage-takers in the Saudi embassy issue their demands to the Saudi King.

Hostage Takers (Part 2)

Adam goes undercover to investigate attacks on Muslims by a Christian group.

Agenda

The team must protect a witness in the trial of a war criminal who has earned immunity.

The Criminal

The team must protect a witness in the trial of a Serbian war criminal who has earned immunity by testifying against him. The situation is complicated when Adam discovers that an old friend who defected from MI6 also wants the witness dead.

Environmental terrorists storm the Thames Barrier and threaten to flood London.

Aftermath

Environmental terrorist's have stormed the Thames Barrier and threaten to flood London.

Adam and Zaf target a UK-bound terrorist with a train bomb in Tehran.

The Virus (Part 1)

The virus unleashed by the Tehran blast is on the streets of London.

The Virus (Part 2)

The team fear reprisals against Iran following revelations of their bio-weapons programme.

The Kidnap

An Algerian extremist escapes his detention and the team fear he is plotting an attack.

The Extremist

Adam is framed for the killing of a mugger who turns out to be a journalist.

The Deal

The team discover that Iran has nuclear triggers, despite the efforts of MI5 and the CIA.

The Courier

Despite the efforts of MI5 and the CIA, the team discover that Iran has acquired nuclear triggers. In a bid to target the courier, Adam and Ros get on a plane to Tehran.

A group of white anti-Islamists storm a televised debate.

The Broadcast

Ros desperately attempts to escape identification.

Infiltration

After Yalta's attacks, the US plans air strikes on Iranian nuclear facilities.

Isolated

After Yalta's attacks, the US plans air-strikes on Iranian nuclear facilities.

War with Iran finally averted, the team learn a London school is the target of hardliners.

The School

War with Iran finally averted, the team learn a London school is target of hardliners.

An Al-Qaeda cell demand that Remembrance Sunday is cancelled.

New Allegiances

An Al Qaeda cell demand that Remembrance Sunday is cancelled.

Harry vows revenge by taking down the head of Russia's intelligence service in Britain.

Split Loyalties

Harry vows revenge by taking down the Head of Russia's intelligence service in Britain with the help of Lucas North, but whose side is Lucas really on?

Lucas reveals that the Russians interrogated him about a secret MI5 spy operation.

The Tip-Off

The team are stunned to discover that Al-Qaeda's number three wants to negotiate.

A Chance for Peace

The team are stunned to discover that Al Qaeda's number three wants to negotiate.

Ros goes undercover in the City to flush out a dangerous international financier.

On the Brink

A teenage boy accidentally stumbles upon a government conspiracy.

Accidental Discovery

Harry is imprisoned and accused by MI5 of being the Russian mole.

The Mole

The Russians are launching a nuclear strike on London. Can the mole amongst them help?

Nuclear Strike

With Harry still missing, there is one question on everyone's mind: is he dead or alive?

With Harry still missing, there is one question on everyone's mind: Is he dead, or alive?

The country reaches crisis point when energy supplies are threatened by an explosion.

A secret meeting of powerful tycoons is stormed by terrorists.

Lucas' former torturer Darshavin turns up with intelligence about a bomb in London.

Lucas's former torturer Darshavin turns up with intelligence about a bomb in London.

Section D is caught on the back foot when two CIA agents are found dead.

Section D must recover a billion pounds from one of the world's most impenetrable banks.

Section D discovers Hindu nationalists are planning an attack on the Muslim community.

Lucas and Ros make a final attempt to thwart Nightingale's sinister plan.

The team track a boat carrying a lethal load, fearing it is headed for Plymouth.

The pressure is on for Beth when she goes undercover for MI5 for the first time.

Section D hunt for a rogue nationalist from the ex-Soviet state of Azakstan.

The team try to learn the reason for a visit from a trio of highly skilled Chinese agents.

Beth and Dimitri go undercover when the US president arrives to chair secret peace talks.

Relations between the CIA and MI5 are stretched after a drone is hacked in Afghanistan.

Lucas is plunged further into the depths of his past.

The team face their toughest ever challenge: tracking down Lucas North.

The team face their toughest ever challenge: tracking down Section Chief Lucas North.

Ghosts from the past come back to haunt MI5 chief Harry Pearce.

High-level secrets are stolen when Calum is mugged outside Thames House.

MI6 receive word that radioactive material has been detected at an airport.

Two former inmates are released from jail and set to launch an attack in London.

Harry kidnaps his CIA counterpart, and what he learns sheds fresh light on events.

Harry is handed over to the CIA, ready for deportation to the US.

Spooks

Spooks

Series 4

1. The Special (Part 1)

1. The Special (Part 1)

2. The Special (Part 2)

2. The Special (Part 2)

3. Divided They Fall

3. Divided They Fall

4. Road Trip

4. Road Trip

5. The Book

5. The Book

6. The Innocent

6. The Innocent

7. Syria

7. Syria

8. The Russian

8. The Russian

9. The Sting

9. The Sting

10. Diana

10. Diana