Miss Scarlet and The Duke (Season 3)

Last Updated on March 4, 2023

In “Miss Scarlet and The Duke,” Kate Phillips (Peaky Blinders) stars as the headstrong, first-ever female detective in Victorian London, who won’t let any naysayers stop her from keeping her father’s business running.

Stuart Martin (Jamestown) stars as her childhood friend, professional colleague, and potential love interest, Scotland Yard Detective Inspector William Wellington, a.k.a., The Duke.

And good news: “Miss Scarlet and The Duke” will return for Season 4. Production on the new season began in late 2022. We expect it to premiere on PBS in January 2024.

In Season 3 of “Miss Scarlet and The Duke” on MASTERPIECE Mystery!, Eliza finds herself in fresh and surprising mysteries, ranging from a disappearing magician to police corruption, as she struggles to build her detective agency.

Growing competition from a rival agency creates new problems, and all the while she is still juggling her relationship with Inspector William Wellington, the Duke. And she has a new challenge on that front: a beautiful woman from her childhood has caught the Duke’s eye.

Find airtimes, episode descriptions, and watch the trailer below. Watch previous episodes here, and recently aired episodes for free for a limited time, here. 

Read our Q&A with Miss Scarlet herself here, learn the truth about Victorian-era female detectives here, and dive into the story behind her iconic Season 1 blue dress here.

Season 3 premieres Sundays, January 8 – February 12, 2023, 8:00 – 9:00 p.m. ET.

Episode Descriptions and Premiere Dates

A famous magician does the ultimate disappearing act and vanishes into thin air. All of London is talking about the mystery and Eliza is hired by a newspaper to investigate, despite the fact that Duke is already on the case.

Season 3: Episode 2 – Arabella’s
Premieres Sunday, January 15, 2023, 8:00 – 9:00 p.m. ET

Eliza bumps into Arabella Herbert, the girl who made her life a misery growing up. But as an adult, Arabella seems kind and considerate and everybody loves her. So when Eliza suspects she may be a criminal, no one wants to hear it, least of all Duke.

Season 3: Episode 3 – Hotel St Marc
Premieres Sunday, January 22, 2023, 8:00 – 9:00 p.m. ET

Eliza is on the trail of a notorious conman and tracks him down to a hotel in a remote part of France. She believes she has finally caught Scotland Yard’s most wanted man, but she’s not the only hotel guest who wants to claim the reward.

Season 3: Episode 4 – Bloodline
Premieres Sunday, January 29, 2023, 8:00 – 9:00 p.m. ET

Detective Fitzroy sees one of his colleagues plant evidence on a suspect. With Duke away, Fitzroy turns to Eliza and hires her to look into a case of police corruption.

Season 3: Episode 5 – The Heir
Premieres Sunday, February 5, 2023, 8:00 – 9:00 p.m. ET

Eliza is on the verge of earning life-changing money when she offers to help the heir to an unclaimed fortune. It’s a race against time to claim the money and Eliza will need Duke’s help, but a revelation about his personal life makes working together impossible.

Season 3: Episode 6 – The Jewel of the North
Premieres Sunday, February 12, 2023, 8:00 – 9:00 p.m. ET

The season comes to an explosive climax when Eliza receives a bomb in the mail. Who sent it and why? Eliza teams up with Duke, Moses and her old enemy Patrick Nash to find out who is behind the deadly delivery.

If you enjoyed this post, wander over to The Period Films List. You’ll especially like the Best Period Dramas: Victorian Era list, and want to see our series of posts about the period dramas that have aired on PBS Masterpiece.