Tensions simmer between Philip and Elizabeth as they disagree over handling orders from the Centre. When Elizabeth loses key intel, Philip enlists Annelise on a mission with an unexpected outcome. Stan tries a new approach to mending his marriage with Sandra amidst learning tough news about Nina.

Elizabeth and Philip come together to deal with a mission gone wrong but struggle to reconcile their increasingly opposing ideologies. Stan welcomes a Soviet defector, Zinaida, to America. Nina acclimates to her new living arrangements.

Danger mounts for Elizabeth and Philip as they get closer to the inner circle of the C.I.A. Afghan Group. Stan monitors Zinaida. Agent Aderholt challenges Agent Gaad on a crucial operation. Arkady tasks Oleg and Tatiana with gathering high--‐level intel. Martha proposes a lifestyle change to Clark.

Philip faces a moral dilemma while developing an asset. Philip and Elizabeth’s friction escalates. Stan develops a theory with serious repercussions for national security. Paige makes a surprising birthday wish.

Philip juggles the many women in his life while Elizabeth takes drastic measures to complete a mission. Stan asserts a plan to save Nina with an unlikely ally.

Gabriel has surprising information. Elizabeth begins to take family matters into her own hands. Stan receives upsetting news from his past and turns to Sandra for support.

Philip and Elizabeth feel the weight of a new family secret while following up on the KGB’s interests in South Africa. Stan faces struggles both at work and at home. Martha confronts a shocking development.

Martha and Clark’s marriage meets its most challenging test yet. As pressures on Philip intensify, Elizabeth turns to Gabriel with a difficult request. Nina receives a new assignment that reconnects her with her past.

Philip and Elizabeth struggle with the gravity of unexpected collateral damage. Stan and Oleg hatch a risky plan to help save Nina.

Philip and Elizabeth deploy a plan for the C.I.A.’s Mujahideen visitors. Tensions at the Jennings’ home escalate.

Philip and Elizabeth's home and work lives collide in new and dangerous ways. Nina struggles to figure out her next steps. Arkady assigns Oleg and Tatiana to an operation with uncertain potential.

Martha hosts an unexpected guest. Philip and Elizabeth must work a formidable Mujahideen commander. Paige acts out.

Elizabeth and Paige take a trip that lands them in treacherous territory. After an emotionally charged mission, Philip turns to an unlikely source for solace. Stan’s plan to save Nina culminates in unforeseen ways.

Philip and Elizabeth deal with the fallout of all they’ve wrought. What will happen when the FBI finds out about Gene’s suicide? How will Pastor Tim deal with the revelation that they are Russian spies? And will they be able to handle a dangerous, new bioweapons assignment?

Philip tries with increasing desperation to get rid of a sensitive and dangerous package as family tensions in the Jennings House reach a boiling point when Paige shares a secret of her own.

Paige copes with new burdens that come with her family’s secret as Philip and Elizabeth struggle to contain their cover without destroying their daughter.

A devastating flaw during a mission forces Philip, Elizabeth, William and Gabriel to confront the depths of their patriotism… and their mortality. In Russia, in striving to be a better person, has Nina put her life on the line?

Philip must consider his life with Martha and make a crushing choice from which there is no coming back.

Martha must finally face the truth she has denied – and her life may never be the same. Plus, a chilling new development in William’s work forces the Jennings to face the realities of what a biological war would mean.

The KGB and the FBI both race to track down a vital agent… everything is at stake.

The Jennings’s approach their breaking points as both Philip and Elizabeth must handle loyal agents. Will they make it through with their patriotism – and sanity – intact?

The Day After premieres, making the stakes - and terrible consequences - of the Cold War plain. Even with that in mind, will Elizabeth be able to complete the painful process of the "Patty" operation?

When Paige’s long-ago indiscretion threatens to resurface and destroy the family, Philip and Elizabeth find themselves scrambling – and Paige finds herself reevaluating who her parents really are.

Elizabeth completes the last steps of a very personal operation… but at what cost?

As Paige deals with last episode’s trauma, she sees her mother in a new light… and finds she has inherited some of her parents’ skills. Plus, has Oleg reached his breaking point with Stan?

Philip and Elizabeth are in a high-stakes race against the FBI to recover a hazardous package. Will they get there in time? And will Paige follow her parents into the family business?

The Jennings struggling to contain the risks from Paige's growing relationship with Matthew Beeman. The Centre sends Philip and Elizabeth on an operation unlike any they've ever had before, straining their family and marriage to its limits.

Stan and Oleg wrestle with the harsh consequences of their complicated history as Philip and Elizabeth face a new mission with devastating implications for their country.

Philip and Elizabeth tell Paige more about the family business, but pressing new questions arise when an operation takes a ghastly and unexpected turn. Meanwhile, a sensitive package jeopardizes Oleg’s life back home.

Philip and Elizabeth have qualms about a new assignment, while a specter from Philip’s past creates unforeseen dangers. At the FBI, Stan makes a shocking play that could throw his career into turmoil.

Philip and Elizabeth receive surprising news about Henry -- and shattering news about a past operation. Stan might be falling in love, but Philip wonders if something darker is going on.

Gabriel stuns Philip and Elizabeth with a sudden announcement and a crushing revelation about Philip's past. Stan and Aderholt draw a fly into their web while Oleg and Ruslan ambush their first suspect.

As Paige becomes even more enmeshed in her parents' world, tensions with Matthew Beeman come to a head, Philip and Elizabeth's honeytraps take surprising turns, and Stan faces the consequences of overplaying his hand at the FBI.

A secret brings Elizabeth and Paige together. Back in Moscow, Oleg's own secrets put him under KGB suspicion and a new twist in the Morozov operation creates an opportunity that changes everything.

Philip and Elizabeth are thrown off balance when things with Tuan take an unexpected turn. Henry makes a startling proposition and Stan has a disturbing encounter with Frank Gaad’s widow.

Paige’s snooping leads Philip and Elizabeth to make a choice that could shift the balance of their lives forever. Stan and Aderholt’s recruitment of Sofia suddenly bears fruit.

A surprise assignment from the Centre divides Philip and Elizabeth, forcing them into a moment of profound crisis. Stan gives Henry a tour of the FBI.

As Philip and Elizabeth grapple with a momentous decision, Tuan takes matters into his own hands in the Morozov operation. Back in Russia, Oleg’s investigation collides with the realities of the Soviet system.

In the season finale, Philip and Elizabeth race against the clock as a life hangs in the balance, while Stan faces an uncertain future.