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The Best Episodes of Slow Horses Season 6

Every episode of Slow Horses Season 6 ranked from best to worst. Discover the Best Episodes of Slow Horses Season 6!

Binge this in 5h 4m·Peaking at 8.7/10
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Episode Rankings

  1. #1 Fan Favorite
    Slow Horses Season 6 Episode 6 - Judgement Day
    8.7/10(2287 votes)

    S6:E6

    The safe house becomes unsafe as Lamb and Taverner finally join forces.

    Director:Adam Randall
    Writer:Gaby Chiappe

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  2. Slow Horses Season 6 Episode 5 - Sayonara
    8.4/10(2105 votes)

    S6:E5

    River goes after Sid. Lamb sets his sights on Cantor. Taverner carries on with a treacherous deal.

    Director:Adam Randall
    Writer:Sophie Goodhart

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  3. Slow Horses Season 6 Episode 4 - Lost & Found
    8.3/10(2247 votes)

    S6:E4

    Lamb tries figuring out who Frank is working for. Sid, River, and Coe do everything to evade the hit squad.

    Director:Adam Randall
    Writers:Jonny Stockwood, Mark Denton

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  4. Slow Horses Season 6 Episode 1 - Circle of Life
    8.2/10(2683 votes)

    S6:E1

    River braces for his grandfather's funeral. Lamb looks into the death of an ex–Slow Horse.

    Director:Adam Randall
    Writer:Gaby Chiappe

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  5. Slow Horses Season 6 Episode 2 - Daddy Issues
    8.2/10(2209 votes)

    S6:E2

    The reemergence of Frank Harkness and a suspicious string of murders put Lamb and team on high alert.

    Director:Adam Randall
    Writer:Edward Docx

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  6. Slow Horses Season 6 Episode 3 - Resurrection
    8.1/10(2175 votes)

    S6:E3

    Ex–Slow Horses return to the fold as assassins close in. Taverner faces the fallout of her TV interview.

    Director:Adam Randall
    Writer:Sophie Goodhart

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    The 20 BEST Episodes of Slow Horses

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Season 6 Ratings Summary

"Judgement Day" is the best rated episode of Slow Horses season 6. It scored 8.7/10 from 2,287 votes. Directed by Adam Randall and written by Gaby Chiappe, it aired on October 21, 2026. This episode is rated 0.3 points higher than the second-best, "Sayonara".