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Documentary•Crime

The Best Episodes of Should I Marry a Murderer?

Every episode of Should I Marry a Murderer? ranked from best to worst. Let's dive into the Best Episodes of Should I Marry a Murderer?!

Binge this in 2h 30m•Peaking at 7.3/10

In 2020, pathologist Caroline Muirhead's fiancé, Scottish farmer Alexander 'Sandy' McKellar, confessed to her that he and his twin brother Robert had killed cyclist Tony Parsons in a 2017 hit-and-run on the A82 near Bridge

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Episode Rankings

  1. #1 Fan Favorite
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    Should I Marry a Murderer? Season 1 Episode 3 - Part 3
    7.3/10(3 votes)

    #1 - Part 3

    S1:E3

    Torn between doing the right thing and protecting the man she can't walk away from, Caroline spirals as she desperately tries to avoid the witness stand.

    Director:Unknown
    Writer:Unknown

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  2. Should I Marry a Murderer? Season 1 Episode 2 - Part 2
    7.2/10(3 votes)

    #2 - Part 2

    S1:E2

    As Caroline's actions give police a new lead in a cold case, she enters a terrifying double life with the McKellars — and hopes Sandy still trusts her.

    Director:Unknown
    Writer:Unknown

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  3. Should I Marry a Murderer? Season 1 Episode 1 - Part 1
    7.0/10(3 votes)

    #3 - Part 1

    S1:E1

    In 2020, a Glasgow pathologist meets a Highland gamekeeper who seems perfect on paper. They're soon engaged — then a confession changes everything.

    Director:Unknown
    Writer:Unknown

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Best Episodes Summary

"Part 3" is the best rated episode of "Should I Marry a Murderer?". It scored 7.3/10 based on 3 votes. Directed by Unknown and written by Unknown, it aired on 4/29/2026. This episode scored 0.1 points higher than the second highest rated, "Part 2".