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The Best Episodes of Secret Service

Every episode of Secret Service ranked from best to worst. Let's dive into the Best Episodes of Secret Service!

Binge this in 3h 50m•Peaking at 7.8/10

A British intelligence officer Kate Henderson races against time to uncover a UK politician's potential ties with the Kremlin, risking her reputation and family, as a murder and election loom.

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Episode Rankings

  1. #1 Fan Favorite
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    Secret Service Season 1 Episode 2 - Episode 2
    7.8/10(100 votes)

    #1 - Episode 2

    S1:E2

    Kate suspects that her agent is in danger and, defying orders, prepares to rescue her.

    Director:James Marsh
    Writers:Tom Bradby, Jemma Kennedy

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  2. Secret Service Season 1 Episode 3 - Episode 3
    7.8/10(95 votes)

    #2 - Episode 3

    S1:E3

    Kate's bold rescue mission in Malta backfires and she draws flak from all sides.

    Director:James Marsh
    Writers:Tom Bradby, Jemma Kennedy

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  3. Secret Service Season 1 Episode 4 - Episode 4
    7.5/10(89 votes)

    #3 - Episode 4

    S1:E4

    The pressure mounts on Kate when the Russians target her family, and Rav follows clues to Geneva.

    Director:Farren Blackburn
    Writers:Tom Bradby, Jemma Kennedy

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  4. Secret Service Season 1 Episode 5 - Episode 5
    6.0/10(95 votes)

    #4 - Episode 5

    S1:E5

    Kate runs Cyclops in an audacious mission inside Moscow Secret Service HQ to finally trap the MI6 mole.

    Director:Farren Blackburn
    Writers:Tom Bradby, Jemma Kennedy

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  5. Secret Service Season 1 Episode 1 - Episode 1
    5.5/10(125 votes)

    #5 - Episode 1

    S1:E1

    An MI6 agent learns that there is a Russian asset in the UK Cabinet.

    Director:James Marsh
    Writers:Tom Bradby, Jemma Kennedy

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Best Episodes Summary

"Episode 2" is the best rated episode of "Secret Service". It scored 7.8/10 based on 100 votes. Directed by James Marsh and written by Tom Bradby, Jemma Kennedy, it aired on 4/28/2026. This episode scored 0.0 points higher than the second highest rated, "Episode 3".