The wait is almost over for fans of the gripping British crime drama Under Salt Marsh. The series, which has kept viewers on the edge of their seats with its tense atmosphere and complex mystery, is preparing to air its final chapter. Episode 6, the season finale, is scheduled to release on Friday, February 27, 2026. This episode will bring the six-part story to a close, finally revealing the truth behind the deaths that have torn the fictional Welsh town of Morfa Halen apart.
The show, which premiered on January 30 with a double-bill, has been releasing new episodes weekly ever since. For global audiences wondering how to watch, the finale will be available exclusively on Sky and its streaming service NOW in the UK and Ireland. Unlike shows that drop on global platforms like Netflix or Prime Video, Under Salt Marsh is a Sky Original, meaning these are the only places to catch the conclusion. Viewers in other regions should check local TV listings for any distribution deals, but as of now, the exclusive rights remain with Sky .
Episode 5 Left Morfa Halen in Chaos
To understand the weight of the upcoming finale, a quick look back at Episode 5 is necessary. The episode, which aired on February 20, threw the community into deeper disarray. It started immediately after the discovery of August’s body, a death that the town is struggling to label as either an accident or murder. The confusion only worsened when a fire destroyed August’s caravan. Hidden beneath the ground near the blaze, investigators found buried papers revealing that August knew far more than he let on, specifically regarding the local landfill and the character Nessa .
The investigation is fracturing. Jackie questioned Osian about his connections to Cefin, but his answers only raised more suspicions. In a moment of desperation, Solomon confessed that he and Ned secretly buried Nessa years ago to shield their family from shame or danger. This revelation prompted Ned to attempt a dangerous escape from the island as a storm worsened and tensions in the town reached a boiling point. By the end of Episode 5, trust among the residents and investigators has completely broken down, setting the stage for a chaotic but revealing finale .
What to Expect in the Under Salt Marsh Finale
With Episode 6, the pressure is on to deliver answers. The show has woven a complex web involving the murders of Cefin Hill and the disappearance of Nessa, all set against the backdrop of a town literally sinking into the sea. The environmental decay of the salt marsh seems to mirror the moral decay of its residents, and the finale has the task of connecting these themes .
Viewers can expect the final episode to reveal who is behind the killings. The narrative has pointed fingers in many directions, and the truth is likely tied to someone very close to the community. With the investigation in shambles and everyone suspecting one another, the finale will need to sift through the lies and secrets that have been buried for years. The hidden papers found in Episode 5, linking the landfill to Nessa, are expected to play a crucial role in exposing the killer .
The Cast Leading the Final Episode
The strength of Under Salt Marsh lies in its powerful cast, who will all return for the finale. Leading the charge is Kelly Reilly (known for Yellowstone) as Jackie Ellis, the former detective turned teacher who discovered Cefin’s body. Opposite her is Rafe Spall (Trying) as Detective Eric Bull, Jackie’s former partner whose past failures force him to seek redemption .
The ensemble also includes legendary actor Jonathan Pryce (The Crown) as Solomon Bevan, whose confession in Episode 5 has changed the game. Amara Atwal plays Nessa, the niece whose disappearance three years ago set the original tragedy in motion. Other key cast members returning for the finale include Naomi Yang as Officer Jess Deng, Harry Lawtey (Industry) as Dylan Rees, Julian Lewis Jones as Osian Northam, Kimberley Nixon as Shelley Hill, Brian Gleeson as Mac Jones, and Mark Stanley as Danny Hill. This star-studded lineup ensures that the emotional weight of the finale will be delivered by some of the best talent in British television .
Streaming Details for Global Audiences
For viewers in the United Kingdom, watching Episode 6 is straightforward. The episode will be available on Sky Atlantic at the same time it airs live, and it will also be uploaded to the NOW TV streaming service immediately. An Entertainment Membership on NOW is required to stream the show .
For audiences in the United States, Under Salt Marsh does not currently have a confirmed broadcast partner. Typically, Sky originals sometimes get picked up by services like Hulu, Peacock, or HBO, but as of now, no deal has been announced. Viewers in the USA, Canada, Australia, and India may need to rely on international broadcasting agreements or wait for the show to be licensed to a local streaming platform. Checking platforms like Acorn TV or BritBox, which specialize in British content, might yield results shortly after the UK broadcast .
The Real Story Behind the Fiction
Under Salt Marsh is not just a typical crime drama; its setting is a character in itself. Creator Claire Oakley drew inspiration from the very real issue of coastal erosion affecting the UK. The idea of a town slowly being swallowed by the ocean provided a perfect metaphor for secrets being exposed and washed away. The psychological effect of a disappearing home on the community is central to why the characters behave the way they do, holding onto traditions and lies as tightly as they hold onto the eroding land .
“Most of my work has been inspired by place and with the UK’s landmass decreasing due to coastal erosion and sea level rise, I felt inspired to set a story in a colourful coastal community, full of spirit, that we want to see saved,” Oakley explained .
This unique backdrop has resonated with audiences, making the show more than just a whodunnit. It is a story about loss—loss of land, loss of loved ones, and loss of trust.
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Countdown to the Truth
As the clock ticks down to February 27, fans are preparing for an emotional and intense conclusion. Episode 5 has left the town of Morfa Halen exposed, with its darkest secrets on the verge of being dragged into the light. Whether the community can survive the truth is another matter entirely, but viewers will finally get the answers they have been waiting for. Make sure your Sky box is set or your NOW subscription is active, because this is one finale you will not want to watch spoilers about .
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