The Marlow Murder Club to Return for Season 3
[May 20, 2025] Hit crime-drama The Marlow Murder Club, hailed by the Daily Mail (UK) as “a murder mystery masterclass,” has officially been renewed for a third season. Here’s everything we know about Season 3, including which cast members are returning, which Robert Thorogood novel it’s based on, and more.
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About The Marlow Murder Club
From Robert Thorogood, creator of the hit TV series Death in Paradise, The Marlow Murder Club is a lighthearted cozy mystery set in the small but affluent British town of Marlow. It’s the story three unlikely amateur sleuths who come together to tackle some puzzling mysteries in Marlow with wit and humor.
The Marlow Murder Club Season 1 premiered on MASTERPIECE on PBS in 2024, and Season 2 premiered in 2025. You can stream all episodes of The Marlow Murder Club so far with PBS Passport (an added member benefit). PBS Passport viewing for this show is available in the U.S. and Canada only.
“It’s a thrill to bring a third season of The Marlow Murder Club to our US audience,” said Susanne Simpson, executive producer of MASTERPIECE on PBS. “I know our viewers are looking forward to more of the heart and humor that makes this series so special.”
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What to Expect in The Marlow Murder Club Season 3
Now an established part of newly promoted DI Tanika Malik’s (Natalie Dew) crime-solving team, retired archaeologist Judith Potts (Samantha Bond), dog walker Suzie Harris (Jo Martin) and vicar’s wife Becks Starling (Cara Horgan) are back and bringing their unconventional methods to a string of high-profile murders.
From the sudden death of the nicest man in Marlow, the town’s beloved mayor, to a celebrity chef found dead at the launch of his cookbook with half the town in attendance, the team will be working under the watchful eye of the Marlow community. They’ll also be called to action at a university reunion in an eerie manor house where in a surprising twist, Becks finds herself amongst the suspects. Could this case threaten our amateur sleuths’ roles as civilian advisors?
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The Marlow Murder Club Season 3 Airdate
No airdate has been announced for when The Marlow Murder Club Season 3 will air on MASTERPIECE on PBS. To get the latest news on the series, make sure to subscribe to the MASTERPIECE weekly newsletter. You’ll get up-to-date schedule information, airdate announcements and more for the best dramas and mysteries on television.
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The Marlow Murder Club Season 3 Cast
The brand-new season will not only reunite the beloved cast of Samantha Bond (Home Fires, Downton Abbey), Jo Martin (Doctor Who, Back to Life), Cara Horgan (The Sandman, Traitors) , and Natalie Dew (Sandylands, The Capture), but other series regulars as well, such as Holli Dempsey, Phill Langhorne and Tijan Sarr. Find out more about The Marlow Murder Club cast and where you’ve seen them before.
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The Marlow Murder Club Season 3 Episodes
The third season will have six parts, and it promises to delight fans with three more intriguing murder mysteries to solve, each unfolding over two episodes. The new season will continue the show’s signature blend of humor, mystery and heart, from an exceptional team of writers.
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How to Watch The Marlow Murder Club
You can stream all episodes of The Marlow Murder Club so far with PBS Passport (an added member benefit). PBS Passport viewing for this show is available in the U.S. and Canada only.
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The Marlow Murder Club Novels
The Marlow Murder Club is inspired by the bestselling novels by Robert Thorogood. The three-book series includes: The Marlow Murder Club, Death Comes to Marlow, and The Queen of Poisons. Season 3 will be an adaptation of book three, The Queen of Poisons.
In 2023, The Marlow Murder Club was nominated for the Mystery Writers of America’s prestigious Edgar Awards which honor the best in mystery fiction, non-fiction, television, film, and theater.
