Miss Scarlet And The Duke - Season 4 May 2026

Season 4 of Miss Scarlet and The Duke premiered on January 7, 2024 PBS Masterpiece in the U.S. and

The production value of Season 4 remains top-tier. From the foggy streets of London to the opulent drawing rooms of the elite, the costume design and set decoration are impeccable. But beyond the aesthetics, it’s the writing that shines. The mysteries are more complex, requiring Eliza to use not just her intuition, but her newfound resources at Nash & Sons. A Major Turning Point Miss Scarlet and the Duke - Season 4

See the character development and backstory explored in these Season 4 highlights: Season 4 of Miss Scarlet and The Duke

The season follows Eliza as she takes over the London office of the Nash & Sons detective agency. Her leadership is immediately challenged when the all-male staff resigns in protest of a female boss. Despite this, she manages complex cases alongside the Duke, including a high-stakes robbery at an elite gentlemen's club and a murder within the world of Victorian undertakers. Ivy (Cathy Belton) , Eliza’s housekeeper, gets her

• Ivy (Cathy Belton), Eliza’s housekeeper, gets her most substantial story yet, helping with a case involving a missing servant. It’s a delightful subversion of class roles.
• Nash (Felix Scott) returns as the charming, morally gray rival detective. His scenes with Eliza crackle with intellectual flirtation, and for some viewers, he may outshine the Duke this season.
• Mr. Potts (Simon Ludders) remains the comic relief, but even he has a surprisingly poignant moment involving a lost pet.