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The Best Episodes of Slow Horses Season 1

Every episode of Slow Horses Season 1 ranked from best to worst. Discover the Best Episodes of Slow Horses Season 1!

Binge this in 5h 5mPeaking at 8.2/10

Follow a dysfunctional team of MI5 agents—and their obnoxious boss, the notorious Jackson Lamb—as they navigate the espionage world's smoke and mirrors to defend England from sinister forces.

Airs on

Seasons5

Episode Rankings

  1. #1 Fan Favorite
    Slow Horses Season 1 Episode 1 - Failure's Contagious
    7.5/10(4365 votes)

    #1 - Failure's Contagious

    S1:E1

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

    Director:James Hawes
    Writer:Will Smith

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  2. Slow Horses Season 1 Episode 2 - Work Drinks
    7.7/10(3773 votes)

    #2 - Work Drinks

    S1:E2

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

    Director:James Hawes
    Writer:Will Smith

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  3. Slow Horses Season 1 Episode 3 - Bad Tradecraft
    8.1/10(3600 votes)

    #3 - Bad Tradecraft

    S1:E3

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

    Director:James Hawes
    Writer:Will Smith

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  4. Slow Horses Season 1 Episode 4 - Visiting Hours
    8.0/10(3362 votes)

    #4 - Visiting Hours

    S1:E4

    Taverner sends the Dogs to hunt down Lamb and the Slow Horses. River holds the secret to saving the gang.

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  5. Slow Horses Season 1 Episode 5 - Fiasco
    8.2/10(3321 votes)

    #5 - Fiasco

    S1:E5

    The Slow Horses must disappear to avoid capture by MI5. Lamb and River head to The Park to outwit Taverner.

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  6. Slow Horses Season 1 Episode 6 - Follies
    8.2/10(3432 votes)

    #6 - Follies

    S1:E6

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

    Director:James Hawes
    Writer:Will Smith

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    The 20 BEST Episodes of Slow Horses

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Season 1 Ratings Summary

"Failure's Contagious" is the best rated episode of "Slow Horses" season 1. It scored 7.5/10 based on 4365 votes. Directed by James Hawes and written by Will Smith, it aired on 4/1/2022. This episode is rated 0.2 points higher than the second-best, "Work Drinks".