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Channel 4's crime comedy drama series, The Madame Blanc Mysteries Season 4, made its debut on Acorn TV with its first two episodes on July 7, 2025.
Written by and starring Sally Lindsay in the titular role of Detective Jean White, the show features an individual mystery in each episode, set in the village of Sainte Victoire in the south of France.
According to Acorn TV, the official synopsis for the show reads as follows:
"Antiques dealer Jean White is nearly bankrupt after her husband's sudden death, and so she heads to their one last asset: a cottage in antiques hub Sainte Victoire, France. There, Jean begins investigating his death, aided by sympathetic taxi driver Dom. She soon finds the colorful locals have a treasure trove of other mysteries for her to assess, too."
The Madame Blanc Mysteries Season 4 is exclusively available on Acorn TV for International audiences.
More on this in our story.
How to watch The Madame Blanc Mysteries Season 4?
While The Madame Blanc Mysteries Season 4 originally debuted in March 2025 on Channel 5 for UK audiences, the season has finally released on Acorn TV for International audiences on July 7, 2025.
On Monday, July 7, 2025, Season 4 of The Madame Blanc Mysteries debuted on Acorn TV with its first two episodes. The remaining episodes will follow a weekly release schedule, with new episodes releasing every Monday.
Since the show is exclusively available on Acorn TV for International audiences, viewers will either need the individual Acorn TV app or its add-on via other platforms.
Acorn TV is available as an add-on via both Amazon Prime Video and Apple TV+, starting at $8.99/per month. Both platforms also offer a 7-day free trial period for their new users.
What to expect in The Madame Blanc Mysteries Season 4?
Antiques expert and amateur detective Jean White will return to her small cottage in Sainte Victoire, France, with her trusted local driver and second in command, Dom Hayes.
After Jean and Dom expressed their mutual feelings for each other and started their romance in the Season 3 finale, the couple will keep their new relationship under wraps in The Madame Blanc Mysteries Season 4. This new equation between Jean and her 'sidekick' will result in new obstacles for the couple as they tackle new and bizarre cases in the latest season.
Season 4 will continue to offer viewers many more intriguing mysteries, filled with reading clues and new and eccentric characters who will cross paths with Jean White.
The trailer for Season 4 features Jean and Dom finding clues, solving riddles and investigating potential suspects as they move to a new case in each episode. From the mysterious murder of a rich CEO to an attack on a night watchman, the latest season will introduce some exciting and intriguing cases for the couple.
Who is in the cast of The Madame Blanc Mysteries Season 4?
Creator and co-writer Sally Lindsay will return as the antiques dealer turned detective Jean White. Lindsay rose to fame with her role in the soap opera Coronation Street. She has played the central character in the show since its debut. Steve Edge will also return as Dom, Jean's trusted sidekick turned lover in Season 4.
Other supporting actors who will reprise their characters in Season 4 include co-writer Sue Vincent as Gloria Beauchamp, Sue Holderness and Robin Askwith as Judith and Jeremy Lloyd James, Tony Robinson as Dom's Uncle Patrick and Alex Gaumond as police chief André Caron.
New guest stars for The Madame Blanc Mysteries Season 4 include Richard Blackwood, Lorraine Burroughs, Edward MacLiam, Samantha Power, Danny Hatchard, and Lindsay's fellow Coronation Street stars Charlie Condou and Graeme Hawley.
Catch the first two episodes of The Madame Blanc Mysteries Season 4 on Acorn TV now.
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