A Prayer for My Daughter

Adam tracks a pro-Israeli extremist.

A Very Corporate Coup

A corporate exec is linked to drug traffickers.

Blood & Money

Agents search for a thief who stole $2 billion.

Celebrity

MI-5 investigates the kidnapping of a rock star's infant.

Clean Skin

Harry asks a teen to spy on an arms dealer. Peter Firth.

Frequently Asked Questions

A missile attack on London seems imminent.

Hackers

A hacker taps into MI5's computer system.

I Spy Apocalypse

Agents deal with a germ-warfare threat.

Legitimate Targets

Terrorist attacks point to a Bosnian war criminal.

Looking After Our Own

A man tries to start a race war by murdering immigrants.

Love and Death

A biological-weapon threat.

Mean, Dirty, Nasty

Agents make a deal with an Irish terrorist.

MI-5: Tuesday nights on WGBH

MI-5 takes viewers inside the thrilling world of Britain's top-secret security agency.

Military Strikes

Tom goes undercover in the British Army.

Nest of Angels

Boys are being trained as suicide bombers at a mosque.

One Last Dance

Terrorist seize the Turkish embassy in London.

Outsiders

A computer-hacking scheme causes chaos. Nicola Walker.

Persephone

Zoe is put on trial following a botched operation.

Pit of Secrets

Tom learns of a plot to kill a top British official.

President's Visit

President Bush visits, and MI5 races to handle threats.

Project Friendly Fire

In the third-season opener, Tom is a fugitive.

The Rose Bed Memoirs

A member of Parliament is accused of a crime.

The Sleeper

Harry recruits a reluctant sleeper.

The Special

Conclusion. Adam rescues Tash from the terrorists.

The Suffering of Strangers

In the third-season finale, Danny and Fiona are hostages.

Thou Shalt Not Kill

Operatives try to stop a deadly antiabortion extremist.

Traitor's Gate

A famous agent blows his cover.

Who Guards the Guards?

An Islamic writer under MI-5's protection is nearly killed.