Stiles is determined to rescue Terri in North Korea, but he might be putting both of their lives jeopardy.
An investigation reveals that a murder in North Korea might be the result of a mole in the CIA department.
Stiles faces a moral dilemma when Gage orders him to kill a Russian scientist suspected of manufacturing an anthraxlike virus.
Gage's team tries to clear the CIA of suspicion and track down who is really behind the murders of Saudi royal family members.
Gage and Quinn must deal with an organized crime leader after they learn he is involved with an al-Qaida cell.
The murders of the wives of several servicemen prompts an investigation to find who is responsible for leaking their names.
Gage's car blows up while he is in Israel to help broker a peace treaty.
When the team returns to Africa to rescue former CIA informants, Stiles is stunned to learn he is a father.
Agents work with a colleague from Down Under to locate the mastermind behind a terrorist bombing in the Philippines that killed several Australian agents.
A former U.S. president (Brian Dennehy) travels to Indonesia to oversee its presidential election, while the CIA works behind the scenes to rig the results.
Gage's team tracks a suspected terrorist who fled the United States after a deadly shooting spree at a travel agency.
Haisley stumbles upon a weapons deal between al-Qaida and IRA factions while visiting a museum in Dublin.
Director Gage fears one of his own staff members could be a mole who is leaking classified information to terrorists.
When Stiles fails to return from a mission, his fellow agents must cancel their Thanksgiving Day plans to search for him.
When the president's younger brother (Tom Arnold) causes an international incident, Stiles is assigned to be his guardian.
When a mission goes terribly wrong, a Senate committee calls the CIA to report on it, then debates the agency's fate.
After a suicide bombing at a U.S. amusement park triggers panic, the CIA and FBI hunt the ringleader of a potential terrorist cell.
CIA agents return an Iraqi defector to his homeland, only to find out they may have mistaken his identity.
The Incident Response Team is dispatched to China to cover up evidence from a crashed CIA spy plane before it's discovered.
Stiles, Terri and Lex go undercover to monitor and assist in the development of the Afghan Ministry of Intelligence in Kabul, Afghanistan.
Gage must decide whether a hijacked plane carrying Stiles and Lex should be shot down. Lolita Davidovich guest stars.
Robert Quinn's newly assembled crisis team is dispatched to France to apprehend the killer of Matt Callan.
Matt and Terri try to rescue an undercover agent taken hostage while posing as a diplomat in Uzbekistan.
The agency joins with the Washington, D.C., police department to investigate the murder of a CIA agent.
Trying to salvage an operation, Jackson assumes the identity of an arms dealer supplying weapons to Russian mobsters.
Trying to prevent the outbreak of a nuclear war, Director Gage invites intelligence heads from India and Pakistan to CIA headquarters.
Jackson acts to save enslaved workers at a chemical-weapons plant in the Sudan before the CIA bombs the facility.
Tom and Carl learn that the press is going to break a story alleging Tom committed a war crime during the Vietnam War.
The CIA tracks an Algerian suicide bomber as he enters the United States, not realizing he's infected with smallpox.
The CIA is linked to the death of a Vietnamese man in Washington, D.C., on Gage's first day as director.
Matt and Terri go into the field to gather information about an arms shipment to Iraq, while a new director (Beau Bridges) takes the reins of the CIA.
An assassination attempt on Lisa's life puts Matt in the hospital with a gunshot wound; Lex leads Robert and Jackson to the terrorist organization responsible for the shooting.
Matt and Jackson are duped by a decoy when they investigate the kidnapping of an ambassador's daughter.
An investigation takes an unusual turn when a British Intelligence officer fails to report his kidnapped son missing.
A retired Russian general's life is placed in jeopardy when a journalist insists on running a story about how he helped the United States in a Cold War success.
Matt and Lisa discover a huge terrorist plot in the works after they are tricked into catching the would-be assassins of the King of Saudi Arabia.
The CIA conducts an investigation when Jackson is suspected of leaking sensitive information; Terri must forge a 50-year-old document.
Matt gathers information about his brother's last mission abroad so he can get the body back and give him a proper burial; an Indian Intelligence Bureau double-agent must be caught.
The team works against the clock when they must stop a terrorist from releasing the deadly disease anthrax on Washington, D.C.
Matt convinces a diplomat to divulge information about an impending terrorist attack in Europe in exchange for the man's safe passage to the United States with his family.
A New Jersey man is murdered and it's discovered that he was a former Russian spy with a nuclear bomb hidden in his backyard.
The Agency must place an operative in Indonesia after some American miners are taken hostage and the local governor plans a political coup.
The CIA misidentifies a missionary plane as a drug-trafficking plane, and the Colombians shoot it down.
Skilled CIA agents based in Washington, D.C., put their lives on the line to ensure the safety of the nation.