The Best Episodes Written By Will Smith

Impossible decisions are faced and sacrifices are made.

The Slow Horses fight for their lives. Lamb shares some devastating truths with Catherine.

A London bombing puts Taverner under pressure. When River grows concerned for his grandfather, Louisa encourages him to go for a visit.

A naive agent makes a discovery about the Westacres bomber. Lamb suspects that David knows more than he's letting on.

Lamb questions David about France as River comes face to face with the enemy.

Lamb and Katinsky go head-to-head. Ho finds himself trapped on a train with a Russian assassin.

Taverner and the Slow Horses attempt different approaches to locate the kidnappers and Hassan. Ho makes a shocking discovery about Sid.

With the U.S. on the brink of a major financial meltdown, Selina must make an important decision. Jonah finds himself back in New Hampshire. Meanwhile, Amy investigates the staff, and Catherine tries to get time with Selina to share some major news.

Marcus and Shirley face Lamb's wrath. River discovers revenge is a dish best served cold.

Slough House is the unlikely venue for a secret romance, but events take a dark turn when a dangerous encounter becomes deadly.

While Selina fields questions from the press, members of her staff testify before a congressional committee about whether the Families First vote was intentionally sabotaged – and who was really behind the data breach.

River has to steal something out of the Park to save a life. Lamb realizes a stranger game is afoot.

A romantic relationship in Istanbul ends badly. Lamb hits the panic button when one of his Slow Horses fails to show up for work.

Despite being told to limit public appearances, Selina continues her plans; Dan tries to play both sides of a rivalry.

River and Sid join forces. A misfired gun has dire consequences.

Jackson Lamb is on high alert after a former spy is found dead. Min and Louisa are tempted by an offer from outside Slough House.

River Cartwright is ousted from MI5 and finds himself in a place worse than purgatory: Slough House, dumping ground for failed spies.

In Iowa, Selina courts possible caucus voters at a book signing for her new autobiography, while her team attends a staff wedding in D.C. As the day proceeds, she and her staff get word of a rumor that could affect the next election.

Selina celebrates Thanksgiving in her own special way. Meanwhile, Ben and Kent manage a Thanksgiving Day crisis, deploying Tom James and VP Doyle to make statements in Selina's absence. Ben sends Dan to work for Tom James.

Selina has a secret lunch with a major strategist she may tap as her campaign manager, even as Amy and Dan are openly vying for the job. Meanwhile, Defense Secretary Maddox invites the vice president to his country estate; Gary gets bad news about his shoulder; and Mike's colleagues find out he's mixing business with pleasure.

Selina is annoyed by the press' reaction to her running mate's charm.

Dan and Amy try to figure out if an Asian-American war hero-cum-governor could be a political threat to Selina. Meanwhile, Selina and Mike prep for her "Meet the Press" interview; and Gary and Amy make a startling discovery about Selina's romantic life.

Fresh off successful campaign appearances for midterm elections, Selina sees an opportunity to expand her role, but must first curry favor with Kent Davison, the president's icy senior strategist. Meanwhile, there are new developments in the staff's personal lives.

Rav and her team meet with a NASA representative to plot a potential rescue mission. An engineer working in a hidden part of the ship has a surprisingly optimistic theory about the ship's future. Karen becomes a vocal advocate for passengers.

After five long months, the passengers of Avenue 5 eagerly await their impending return to Earth­­ while behind the scenes, Ryan and the crew struggle to find a way to reveal the much longer timeline of their journey home. Later, a disgraced Karen comes to blows with a newly famous Frank.