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Crime•Mystery

The Best Episodes of Under Salt Marsh Season 1

Every episode of Under Salt Marsh Season 1 ranked from best to worst. Discover the Best Episodes of Under Salt Marsh Season 1!

Binge this in 4h 18m•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 Fan Favorite
    Under Salt Marsh Season 1 Episode 1 - Episode 1
    6.8/10(149 votes)

    #1 - 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. Jackie finds the body of her nine-year-old pupil, Cefin, seemingly drowned. The discovery revives the ghost of an unsolved cold case that rocked the town three years prior.

    Director:Claire Oakley
    Writer:Unknown

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  2. Under Salt Marsh Season 1 Episode 2 - Episode 2
    7.1/10(107 votes)

    #2 - 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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  3. Under Salt Marsh Season 1 Episode 3 - Episode 3
    6.5/10(98 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 4 - Episode 4
    6.6/10(68 votes)

    #4 - Episode 4

    S1:E4

    Jackie struggles after her estranged sister returns and reignites years of guilt and betrayal, while Bull finds himself faced with two cases that are undeniably linked.

    Director:Mary Nighy
    Writer:Unknown

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  5. Under Salt Marsh Season 1 Episode 5 - Episode 5
    6.7/10(42 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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Season 1 Ratings Summary

"Episode 1" is the best rated episode of "Under Salt Marsh" season 1. It scored 6.8/10 based on 149 votes. Directed by Claire Oakley and written by Unknown, it aired on 1/30/2026. This episode is rated 0.3 points higher than the second-best, "Episode 2".