The Marlow Murder Club season 3 arrives with its biggest twist yet: Becks, one of the trio of amateur sleuths, becomes a murder suspect herself. The six-episode season follows Judith Potts (retired archaeologist and crossword setter), Becks (dog walker), and Suzie (art restorer) as they navigate a string of deaths in their Buckinghamshire town, from the sudden death of the beloved mayor to a celebrity chef found dead at his cookbook launch. Here’s exactly where to watch it online.
Key Takeaways
- The Marlow Murder Club season 3 consists of 6 episodes premiering on PBS starting March 10, 2026.
- UK viewers can stream on U, with episodes arriving Wednesday.
- US audiences access the series through PBS, PBS Masterpiece, Prime Video, and WETA+.
- The season features Becks as a murder suspect in an eerie manor house investigation.
- Prior seasons are available free with ads on KQED and through various digital purchase platforms.
The Marlow Murder Club season 3 streaming in the US
American viewers will find The Marlow Murder Club season 3 on PBS, the primary home for the series. Episodes are scheduled to premiere on Tuesdays starting March 10, 2026. The PBS app works across multiple devices including iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio. This multi-platform availability means you can watch on your preferred device without hunting for a specific streaming service.
Beyond PBS, the series also streams on PBS Masterpiece through Amazon Channel, as well as directly on Prime Video. WETA+ provides another option for those with access. If you prefer to own rather than stream, you can buy or rent individual episodes on Amazon Video, Apple TV, or Fandango At Home. Prior seasons aired on PBS with some episodes requiring PBS Passport unlock, though free ad-supported viewing is available through KQED.
UK streaming options for season 3
British viewers should head to U (u.co.uk) for The Marlow Murder Club season 3, where the new episodes arrive on Wednesday. U offers a range of similar British crime and mystery dramas, including local detective agencies, Victorian London mysteries, and retired investigator series, so if you finish season 3, the platform has plenty of comparable shows to explore.
What happens in season 3
Season 3 raises the stakes dramatically. One of the core trio—Becks, played by Cara Horgan—becomes a suspect in a murder investigation centered at an eerie manor house. The cases the team investigates include the town’s beloved mayor’s sudden death, a celebrity chef found dead at his cookbook launch, a man with no ID discovered on a suburban road, and a sailing club member who has been bludgeoned. A link to a past missing persons case adds another layer of mystery. The series is rated TV-14 and sits at a 61 Metascore.
The returning cast includes Samantha Bond as Judith Potts, Jo Martin as Suzie, and Cara Horgan as Becks, alongside Natalie Dew as Detective Tanika Malik and other familiar faces. Season 3 filming wrapped in September 2025, and the show follows the cosy mystery tradition established by Robert Thorogood’s novels set in Marlow.
How does season 3 compare to earlier seasons?
The first two seasons established the chemistry between the three amateur sleuths as they solved murders in their quiet town. Season 3 disrupts that dynamic by making one of the core characters a suspect, which represents a significant escalation in stakes and tension. While prior seasons focused on external investigations, season 3 turns the lens inward, forcing the team to navigate suspicion and doubt within their own circle. The addition of the eerie manor house setting and the link to past missing persons cases suggests a more complex, interconnected mystery than previous standalone investigations.
Is The Marlow Murder Club season 3 worth watching?
If you enjoyed the first two seasons, season 3 delivers the cosy mystery formula with a sharper edge. The premise of one team member becoming a suspect is compelling enough to justify watching, especially if you’re invested in these characters. The series balances humor with genuine mystery, and the supporting cast of detectives and town personalities keeps the tone grounded. For viewers seeking British television that doesn’t rely on graphic violence or dark psychological manipulation, The Marlow Murder Club remains a solid choice.
When does The Marlow Murder Club season 3 premiere?
The Marlow Murder Club season 3 premieres on PBS on Tuesday, March 10, 2026, with all six episodes scheduled for that date. UK viewers should check U for the Wednesday release.
Can I watch prior seasons of The Marlow Murder Club online?
Yes. Seasons 1 and 2 are available on PBS, PBS Masterpiece, Prime Video, and WETA+ in the US. Free ad-supported viewing is available through KQED. You can also purchase or rent episodes on Amazon Video, Apple TV, or Fandango At Home, or buy physical copies on DVD or Blu-ray through Amazon.
The Marlow Murder Club season 3 arrives at a moment when cosy mysteries have found a dedicated global audience. If you’ve been waiting to see what happens when one of the sleuths becomes the accused, March 2026 is when you’ll finally get your answer. Start with the earlier seasons if you’re new to the show—the chemistry between Judith, Becks, and Suzie is the real draw, and season 3’s twist lands harder once you know them.
This article was written with AI assistance and editorially reviewed.
Source: Tom's Guide
