Season 4

The Agency suspects Lee and Amanda of selling out after a vindictive KGB agent traps them in a sting operation.

Suspected of selling out to the Soviets, Lee and Amanda go into hiding after learning Lee is the target of an Agency D-1 manhunt.

CIA files indicate that Lee's parents were double agents and link the past with a current plot to assassinate a dignitary.

A frightened Soviet Agent is found hiding in Amanda's yard, claiming that the KGB smuggled him into the U.S. to help knock out America's strategic-command system.

The Agency and a terrorist seek a chemist, who once worked with Amanda on ecology issues.

Lee's attempt to make long-range plans with Amanda is interrupted when she is taken hostage by an Arab terrorist, who wants to trade her to the Libyans.

Lee and Amanda help Billy retrace his steps to remember details of a lost weekend during which he may have compromised agents working in Africa.

A spy starts a smear campaign against Amanda, who's suspended, after a background check reveals that she was once involved in anti-American demonstrations.

Lee's top Vietnamese contact fakes his own death to protect his family and prevent a terrorist bloodbath. Lee and Amanda have second thoughts about how their marriage would affect her family.

Lee investigates corruption at a newspaper whose publisher has apparent ties to a Romanian agent and apparent interest in U.S. strategic materials.

Just before Christmas, a distinguished ex-toy designer gives Lee a tip on a toy factory that's a front for sophisticated weapons development.

Evidence turns up that Dotty's new sweetheart is posing as a CIA agent caught in a blackmail scheme.

The DEA provides evidence that the man connected to a drug kingpin is Lee's friend T.P. Aquinas.

A skeleton with Lee's identification is found in a construction site, grounding the Agent when a copy of his high security passport goes up on the black market.

The Soviets inject Lee with a virus that leaves him only 72 hours to live.

Before departing for their secret wedding ceremony, Lee and Amanda have to wrap up a case that involved an art theft and murder. They race to wrap up the case in order to be on time for the wedding ceremony.

Amanda is shot while on her honeymoon. Lee tracks down the shooter as he helps a retired marine archaeologist prove that doubloons salvaged from an 18th century Spanish ship are counterfeit.

Lee and Amanda trail a retired right-wing agent connected to the kidnapping of an outspoken poet and antinuclear activist.

A security breach may be tied to a jewel collection, so Lee is assigned to "get next to" the jewels' current owner---an old flame.

Lee and Francine are stripped of their Agency credentials after passing top-secret documents to a youth, who turns out to be a Soviet spy

Lee is consumed with capturing an old nemesis who killed two of Lee's top contacts and now plots to sell Stealth radar plans to Tehran.

Lee suspects that retired Agency founder Harry Thornton (Howard Duff) and former Soviet Embassy courier Christina Golitsyn (Barbara Bain) are on an impossible mission: to obtain Khrushchev's spy list implicating American Government officials.