BBC First Look at Death in Paradise New Sergeant Catherine Garton

Introduction

The BBC has just given fans their first official look at Death in Paradise’s newest character — Sergeant Mattie Fletcher, played by Catherine Garton — ahead of the show’s fifteenth season. This is big news for fans of the long-running Caribbean crime drama. The show returns to BBC One and BBC iPlayer from Friday, 30 January 2026 with new faces, familiar favourites, and fresh mystery cases to solve on the fictional island of Saint Marie. (redplanetpictures.co.uk)

Catherine’s arrival marks a notable cast change. She replaces fan-favourite Sergeant Darlene Curtis (played by Ginny Holder), who has been a strong presence on the island for several seasons. Fans have mixed feelings about the switch, with some sad to see Darlene go and others excited for a fresh energy. (HELLO!)

The first images released show Catherine in her police uniform out on Saint Marie, ready to dive into the drama, mystery, and action the series is known for. Below, we break down everything fans want to know — from her character to the season’s plot, cast reactions, and where to watch. (Head Topics)

🔍 Plot Summary & What to Expect

Death in Paradise season 15 continues its classic mix of puzzling murder mysteries and quirky island life. This year, Detective Inspector Mervin Wilson (Don Gilet) stays at the heart of the team as they tackle new cases across Saint Marie, all while navigating personal relationships and unexpected twists. (TV Zone UK)

Sergeant Mattie Fletcher (Catherine Garton) joins the squad just as these baffling mysteries unfold. She works closely with Detective Sergeant Naomi Thomas (Shantol Jackson) and Officer Sebastian Rose (Shaquille Ali-Yebuah), adding fresh dynamics and insight to investigations. (TV Zone UK)

Expect the usual mix of beachside fun, quirky suspects, and clever plot twists this season. There are hints that Mattie’s past might play into the story, potentially adding emotional depth to her crime-solving journey. (TV Zone UK)

👩‍✈️ Character & Actor Details: Catherine Garton as Mattie

Catherine Garton is introduced as Sergeant Mattie Fletcher, a bold, determined, and energetic new officer on Saint Marie. She’s described as sharp and somewhat sassy — someone who keeps things lively but serious when needed. (Yahoo News UK)

In interviews, Catherine said joining the cast has been a “privilege” and that stepping into this beloved series brought both excitement and a bit of pressure, given Death in Paradise’s huge fanbase. (HELLO!)

On screen, Mattie bonds quickly with Sebastian Rose, and their on-island history gives them a natural chemistry that could stand out this season. (HELLO!)

🎬 Behind-the-Scenes & Production Info

The fifteenth season was filmed on location in Guadeloupe, which doubles as the fictional Saint Marie — the tropical setting fans adore. The vibrant backdrop adds sun-soaked visuals to each episode’s mystery. (Head Topics)

Reports say the cast and crew welcomed Catherine warmly, with co-stars like Shaquille Ali-Yebuah and Shantol Jackson helping her settle into both the role and life on set. (Yahoo Style)

This season also brings a strong line-up of guest stars from British and international TV favourites — adding even more spice to the cases and on-island interactions. (Head Topics)

📺 Streaming & Release Details

Season 15 of Death in Paradise debuts on BBC One and BBC iPlayer on Friday, January 30, 2026 at 9 PM (UK time). (redplanetpictures.co.uk)

International fans should check local listings or streaming services like BritBox (US/Canada) for availability in their regions. Episodes typically roll out weekly once the season starts. (redplanetpictures.co.uk)

💬 Fan Reactions & Social Buzz

Fans are talking about Catherine’s casting on social platforms. Many are curious how her Mattie Fletcher will shake things up, especially since veteran character Sergeant Darlene Curtis is no longer a regular this year. (HELLO!)

Some fans expressed sadness at Darlene’s exit, while others are hopeful for what the new character will bring. One Reddit thread noted that some viewers are excited to see fresh energy and chemistry on the team. (Reddit)

Hashtags like #DeathInParadise and #SergeantMattie are already buzzing as viewers share reactions, predictions, and first impressions ahead of the season.

🧠 Critics & Expert Opinions

Death in Paradise continues to be praised for its cozy mystery style and sun-lit island setting. Critics often highlight its clever whodunit plots and ensemble cast chemistry. While not always a gritty crime drama, the show’s charm and consistency keep viewers coming back. (Evrimagaci)

The addition of Catherine Garton is seen by some reviewers as a smart move to refresh the team dynamic — especially alongside long-running characters like DI Mervin Wilson and Commissioner Selwyn Patterson.

❤️ Legacy & Impact on Fans

Death in Paradise has remained a fan favourite since its 2011 debut. Its blend of mystery, humour, and warmth gives it broad appeal from casual viewers to hardcore crime drama lovers. The show’s ongoing success also led to spin-offs like Return to Paradise, which itself has drawn praise from audiences. (HELLO!)

Introducing new characters like Mattie helps keep the series fresh while honouring its legacy — mixing classic charm with new energy to attract both longtime fans and newcomers.

FAQs

Who is Catherine Garton in Death in Paradise?
Catherine Garton plays Sergeant Mattie Fletcher, a new member of the Saint Marie police team in season 15. She brings energy and tenacity to the squad and works closely with Naomi Thomas and Sebastian Rose. (HELLO!)

When does season 15 start?
Season 15 premieres on Friday, January 30, 2026, on BBC One and BBC iPlayer at 9 PM (UK). International streaming depends on your region. (redplanetpictures.co.uk)

Is Sergeant Darlene gone forever?
Actor Ginny Holder (Darlene) isn’t in the main cast this season, and fans reacted strongly. Some speculate it might be temporary, but the show hasn’t confirmed her long-term status. (HELLO!)

How does Mattie fit into the team?
Mattie is hands-on, enthusiastic, and shares history with Officer Sebastian. Her dynamic could shift team roles and bring exciting tension or camaraderie in investigations. (HELLO!)

Where can I watch Death in Paradise?
UK viewers can watch on BBC One or BBC iPlayer. Other regions may stream on services like BritBox or local TV partners. (redplanetpictures.co.uk)

Conclusion

BBC’s first look at Death in Paradise’s new sergeant Catherine Garton gives fans plenty to talk about ahead of season 15. Her role as Sergeant Mattie Fletcher sets the stage for fresh mysteries, new dynamics, and plenty of island intrigue. (Yahoo News UK)

The show’s mix of clever investigations and lovable characters continues to captivate audiences around the world. Whether you’re eager to see Mattie solve her first case or curious how the team adjusts without Darlene, this season promises plenty of charm, twists, and tropical fun. (redplanetpictures.co.uk)