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Crime•Mystery

The Worst Episodes of Under Salt Marsh

Every episode of Under Salt Marsh ranked from worst to best. Explore the Worst Episodes of Under Salt Marsh!

Binge this in 5h 5m•Peaking at 7.1/10

Morfa Halen is a tight-knit Welsh town precariously nestled between towering mountains and a fast-encroaching sea that threatens its very existence. As a once-in-a-generation storm begins to gather far out at sea, former detective turned

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Episode Rankings

  1. #1 Worst Episode
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    Under Salt Marsh Season 1 Episode 4 - Episode 4
    6.4/10(105 votes)

    #1 - Episode 4

    S1:E4

    DNA evidence exposes a devastating truth, forcing Jackie and Bull to choose between protecting themselves or those they love.

    Director:Mary Nighy
    Writer:Unknown

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  2. Under Salt Marsh Season 1 Episode 6 - Episode 6
    6.5/10(90 votes)

    #2 - Episode 6

    S1:E6

    Jackie and Bull discover the horrifying truth behind the crimes that haunt Morfa. As Bull fights for his life and Jackie faces an unbearable choice, the storm reaches its peak.

    Director:Claire Oakley
    Writer:Unknown

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  3. Under Salt Marsh Season 1 Episode 3 - Episode 3
    6.7/10(137 votes)

    #3 - Episode 3

    S1:E3

    With the town turning on itself as long-buried secrets emerge, Jackie and Bull's fragile partnership is tested by a new discovery.

    Director:Mary Nighy
    Writer:Unknown

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  4. Under Salt Marsh Season 1 Episode 1 - Episode 1
    6.9/10(186 votes)

    #4 - Episode 1

    S1:E1

    When ex-detective-turned-teacher Jackie Ellis discovers one of her pupils dead, her estranged partner DS Bull returns to investigate.

    Director:Claire Oakley
    Writer:Unknown

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  5. Under Salt Marsh Season 1 Episode 5 - Episode 5
    6.9/10(92 votes)

    #5 - Episode 5

    S1:E5

    Rising floodwater cuts Morfa Halen off from the world as another body is discovered, with Bull closing in on the truth behind an illegal operation at the heart of all three cases.

    Director:Claire Oakley
    Writer:Unknown

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  6. Under Salt Marsh Season 1 Episode 2 - Episode 2
    7.1/10(146 votes)

    #6 - Episode 2

    S1:E2

    Old accusations resurface as Jackie and Bull must put aside years of mistrust before the town's tensions ignite into violence

    Director:Claire Oakley
    Writer:Unknown

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    The 20 BEST Episodes of Under Salt Marsh

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Worst Episodes Summary

"Episode 4" is the worst rated episode of "Under Salt Marsh". It scored 6.4/10 based on 105 votes. Directed by Mary Nighy and written by Unknown, it aired on 2/13/2026. This episode scored 0.1 points lower than the second lowest rated, "Episode 6".