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The Best Episodes of The Marlow Murder Club Season 3

Every episode of The Marlow Murder Club Season 3 ranked from best to worst. Discover the Best Episodes of The Marlow Murder Club Season 3!

Binge this in 4h 24m•Peaking at 7.5/10

Retired archaeologist and crossword setter Judith Potts believes that a brutal murder has taken place in the sleepy town of Marlow; when the police refuse to believe her story, she kicks off a private investigation

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Episode Rankings

  1. #1 Fan Favorite
    The Marlow Murder Club Season 3 Episode 1 - The Queen of Poisons (1)
    5.5/10(4 votes)

    #1 - The Queen of Poisons (1)

    S3:E1

    When the Mayor dies in the middle of a meeting, Judith, Becks and Suzie uncover lies, scandal and blackmail.

    Director:Unknown
    Writer:Unknown

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  2. The Marlow Murder Club Season 3 Episode 2 - The Queen of Poisons (2)
    5.8/10(4 votes)

    #2 - The Queen of Poisons (2)

    S3:E2

    As the suspects' secrets stack up, Judith, Becks and Suzie still can't find anyone with a motive to hurt the Mayor.

    Director:Unknown
    Writer:Unknown

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  3. The Marlow Murder Club Season 3 Episode 3 - Murder in the Dark (1)
    5.7/10(3 votes)

    #3 - Murder in the Dark (1)

    S3:E3

    When a man is killed at her university reunion, Becks finds herself on the wrong side of an investigation. Was a friend responsible or did someone break in?

    Director:Unknown
    Writer:Unknown

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  4. The Marlow Murder Club Season 3 Episode 4 - Murder in the Dark (2)
    6.0/10(3 votes)

    #4 - Murder in the Dark (2)

    S3:E4

    As Judith and Suzie work with the police to find the killer, tensions rise among Becks' friends in the house. Guest starring Harry Enfield.

    Director:Unknown
    Writer:Unknown

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  5. The Marlow Murder Club Season 3 Episode 5 - An Appetite for Murder (1)
    7.5/10(2 votes)

    #5 - An Appetite for Murder (1)

    S3:E5

    When a popular but tempestuous celebrity chef is murdered during his cookbook launch, there's no shortage of suspects for Judith, Suzie and Becks.

    Director:Unknown
    Writer:Unknown

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  6. The Marlow Murder Club Season 3 Episode 6 - An Appetite for Murder (2)
    7.5/10(2 votes)

    #6 - An Appetite for Murder (2)

    S3:E6

    As police investigate the chef's death, a new development makes them rethink everything they have learned so far. Guest starring Susan Lynch.

    Director:Unknown
    Writer:Unknown

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    The 20 BEST Episodes of The Marlow Murder Club

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Season 3 Ratings Summary

"The Queen of Poisons (1)" is the best rated episode of "The Marlow Murder Club" season 3. It scored 5.5/10 based on 4 votes. Directed by Unknown and written by Unknown, it aired on 3/18/2026. This episode is rated 0.3 points higher than the second-best, "The Queen of Poisons (2)".