Rory MacGregor as Colin Wells

Episodes 30

Looking After Our Own

90%
May 20, 200252m
1x2

Tom and Helen must go undercover and befriend the wife of a suspected hardcore racist in order to prevent a racewar. Meanwhile Zoe and Tessa learn that a boatload of refugees is due to dock at Dover in the next few days. Things worsen when the operatives realise the two things may be connected and their covers may be blown.

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One Last Dance

86%
May 27, 200251m
1x3

Whilst on a routine check of the bugs in the Turkish Embassy, Zoe and all the other people in the embassy are taken hostage by terrorists who wish to negotiate the release of their parents from prison. If Zoe's cover as a PR consultant is blown she will almost certainly be killed. Things worsen when Harry realises that the attack on the embassy was all just a distraction from something much, much bigger.

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Traitor's Gate

82%
June 4, 200252m
1x4

MI5's best officer, Peter Salter, seems to be joining the enemy. President Bush is scheduled to visit and it seems as though Salter is trying to stop the peace, is this all part of his mission or is he in fact a triple-agent?

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Legitimate Targets

86%
June 2, 200351m
2x1

With Tom's family trapped in his house with a bomb, and nothing Tom or the other spooks can do but watch on. There is a huge explosion and the credits begin. However, there is no time to focus on these events as a Serbian warlord has been seen entering the UK vowing revenge for the death of his sons in a NATO bombing raid. Zoe is sent undercover to track him down, and stop any more deaths.

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Nest of Angels

92%
June 9, 200351m
2x2

A fellow agent informs Tom that young boys and men from a mosque in Birmingham are being trained as suicide bombers. They need an undercover spook, but who should or can go?

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Spiders

84%
June 16, 200352m
2x3

MI5's mainframe has been hacked into. But Tom and his team think they have found a lead in the form of an I.T. teacher, so Zoe is sent undercover to get close to him and find out his secrets. Will they be able to stop the culprit before the inner sanctum is breached and every agents' identity revealed?

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I Spy Apocalypse

88%
July 7, 200352m
2x5

Tom's skills as leader are tested to their extremes when they take part in an Extreme Emergency Response Initiative Exercise (EERIE) to test their response to nuclear, chemical or biological act in central London, but when the power in the grid is cut and Harry starts to feel ill, they soon begin to suspect it's for real.

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Without Incident

82%
July 14, 200352m
2x6

The president of the USA makes an unexpected stop in London. Tom and his team are forced to work with the CIA. A power struggle between the two secret organizations begins, but will they stop fighting before a terrible mistake is made? And will Tom ex-girlfriend leave well alone or will she have to be taught a lesson?

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Clean Skin

84%
July 21, 200352m
2x7

A French scientist has gone renegade and taken a top secret weapon called Firestorm with him, which he is threatening to sell to the highest bidder. Now he has ended up in the UK, and MI5 is forced to work with French Intelligence. But the British want the technology. They have to steal the technology without the French finding out, using an agent that if caught has no affiliation to Five. But there is a burglary at Harry's flat which puts the operation in jeopardy. Or does it?

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Project Friendly Fire

90%
October 11, 200452m
3x1

Tom Quinn has disappeared after shooting his boss Harry Pearce. He also stands accused of assassinating the Chief of Defence Staff. Chairman of the Joint Intelligence Committee Oliver Mace uses this a pretext to launch a punitive investigation of MI5. Zoe, Danny and the team must prove Tom innocent and save the service from government takeover.

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The Sleeper

88%
October 18, 200452m
3x2

Harry reawakens sleeper agent Fred Roberts, a renowned chemist and family man. As Fred becomes more deeply involved with deadly terrorists, Tom has a crisis of conscience which could jeopardise his career.

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Who Guards the Guards?

80%
October 25, 200452m
3x3

Danny and the team must uncover the truth behind an assassination attempt on a famous novelist.

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A Prayer for My Daughter

88%
November 1, 200452m
3x4

The latest round of Middle East peace talks are abruptly halted when a key delegate is killed. With the peace process derailed MI5 starts to investigate a newspaper mogul and renowned Israeli extremist, and a group he's associated with called the November Committee. Can MI5 prevent an assassination attempt on a pro-Palestinian British MP?

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Love and Death

78%
November 8, 200452m
3x5

Saturday morning. Danny and Colin practice their firing technique on MI5's gun range. Zoe and her fiancé Will are still madly in love. Ruth watches old movies at home whilst longing for real-life romance. A North Sea mission places additional stain on all relationships...

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Persephone

93%
November 15, 200452m
3x6

Zoe is tried for manslaughter when an MI5 operation results in the murder of an undercover police officer.

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Outsiders

87%
November 22, 200452m
3x7

While a deadly hacker turns Britain upside down, Danny decides whether to reveal all to Will, MI5 hunts the source down to an Islamic mosque with the help of MI5's best computer programmers. But things get suspicious when Ruth, close onto the tail of the hacker, goes missing and so does a member of the special team...

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Celebrity

93%
November 29, 200452m
3x8

The baby of a celebrity couple is kidnapped and they call in MI5. Fiona goes in undercover to gather more information about the couple against Adam's wishes.

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Frequently Asked Questions

82%
December 6, 200452m
3x9

When known mercenary Robert Morgan is spotted at a top-secret disused Soviet arms dump, he obviously has to be brought in for questioning. Is it all right to blackmail innocent people to get the information you want? Is it acceptable to threaten the lives of a suspect's family?

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The Suffering of Strangers

92%
Season Finale
December 13, 200452m
3x10

It's Fiona's birthday, and she's not going to forget it! While inspecting a possible Islamic terrorist safe house, they are kidnapped. With the threat of his son's, his wife's and Danny's life, Adam must choose who won't live to see another day, Fiona or Danny? The prime minister's life is in danger. Will MI5 give into the kidnappers demands? But then to everybody's surprise... Danny makes the ultimate sacrifice.

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The Special (1)

90%
September 12, 2005
4x1

When a devastating bomb explodes in central London, causing multiple deaths, a terrorist group with a hatred for human life claim responsibility. With their leader facing extradition, the bombers announce that crippling attacks will be launched at ten hour intervals until he is released.

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The Special (2)

93%
September 13, 2005
4x2

Zafar and Adam race against the clock to uncover the latest bomb. As a new ultimatum is issued and Tash mysteriously disapears, the team is forced to deal with the possibility of a mole within their own organisation.

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Divided They Fall

90%
September 22, 2005
4x3

Far-right political party The British Way is threatening democracy so Adam and Fiona go undercover to infiltrate and destroy its campaign.

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Road Trip

90%
September 29, 2005
4x4

Adam infiltrates a truck carrying illegal immigrants across Europe in order to stop a would-be terrorist.

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The Book

90%
October 6, 2005
4x5

A neo-conservative group murder an ex-minister to cover up his past and then they hunt down the journalist who is threatening to blow the story and is under MI5 protection.

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The Innocent

93%
October 13, 2005
4x6

MI5 suspect a terrorist is planning an attack from his prison cell. Guest stars Jimi Mistry.

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Syria

93%
October 20, 2005
4x7

The Syrian foreign minister tries to establish subversive contacts with MI5 at the opening of a cultural centre in London. Fiona is desperate to lead this mission and must confront her Syrian past.

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The Russian

90%
October 27, 2005
4x8

An old British traitor is called in to infiltrate a Russian firm suspected of stealing secrets from GCHQ.

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The Sting

93%
November 3, 2005
4x9

Harry upsets the CIA by stopping an extradition to the USA.

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Diana

93%
Season Finale
November 10, 2005
4x10

A former officer is convinced that MI5 killed Princess Diana and is determined to force the team to prove it.

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Gas and Oil (Part 1)

88%
September 17, 2006
5x1

The government introduces Draconian emergency measures in response to a series of terrorist attacks. MI5 fears that influential establishment figures are behind the attacks and may be planning a coup.

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