2026 Winter TV Premieres for Cozy Mystery Lovers
Winter may be chilly, but for cozy mystery fans it’s one of the warmest times of the year — especially when a fresh crop of whodunits is about to arrive on TV. ❄️ From familiar comfort-watch favorites returning with brand-new seasons to intriguing premieres that promise clever puzzles, charming characters, and just the right amount of suspense, this winter’s TV schedule is packed with mysteries worth curling up for. Grab your blanket, pour a hot drink, and get ready to mark your calendar, because these winter premieres are tailor-made for viewers who like their crimes puzzling, their settings inviting, and their evenings delightfully mysterious.
High Potential - Season 2
Winter Premiere Tuesday, January 6 on ABC
Premise:
High Potential is an engaging crime-drama series on ABC that blends sharp mystery with heartfelt character dynamics. It follows Morgan Gillory, (played by Kaitlin Olson) a single mom with an extraordinary IQ who works as a janitor at the LAPD but finds herself drawn into solving complex cases thanks to her uncanny ability to spot subtle clues others miss. Paired with by-the-book Detective Adam Karadec (played by Daniel Sunjata), Morgan uses her unique perspective and formidable intellect to crack crimes that challenge both her professional instincts and personal life. The show is based on the French series HPI (Haut Potentiel Intellectuel) and has drawn a large audience with its mix of procedural intrigue, wit, and emotional depth.
Cozy mystery fans should be excited about the Season 2 winter premiere because the story is deepening in ways that mix puzzle-style problem-solving with serialized thrills. Morgan’s unconventional detective work continues to pay off as she contends with lingering mysteries — like the fate of her long-lost husband and the enigmatic “Game Maker” antagonist — while juggling her family life and professional relationships. With fresh developments, evolving team dynamics, and more clever twists in each new episode, the show offers a satisfying blend of character-driven storytelling and compelling mysteries that will appeal to fans who love unraveling a good case.
Father Brown - Season 13
Friday, January 9, 2026 UK premiere, USA to follow
Premise:
Father Brown is a beloved British cosy mystery and period detective series based on the classic stories by G.K. Chesterton. Set in the idyllic fictional village of Kembleford in the Cotswolds during the early 1950s, the show follows Father Brown (played by Mark Williams), a humble Roman Catholic priest whose unassuming nature and deep understanding of human behavior help him unravel baffling crimes and murder mysteries that confound the local police and villagers alike. With its charming ensemble cast, gentle humor, and atmospheric period setting, the series has been a staple of cosy mystery TV since it first aired in 2013 and has grown into a hit with audiences around the world.
Cozy mystery fans should be especially excited for the Season 13 premiere because it promises both fresh twists and the warm character dynamics that have made the series a favourite. This season sees beloved characters settle into new phases of life — from the newly married Sullivans’ domestic adventures to Brenda taking on new responsibilities — while Father Brown tackles a dangerous game of cat and mouse, navigates church politics, and even heads to the seaside for intriguing new mysteries. With familiar faces returning and a mix of heartfelt storytelling and clever crime-solving, Season 13 is shaping up to be another delightful chapter of cosy detective fun.
Bookish - Season 1
Premiere
US Premiere on Sunday, January 11, 2026
Premise:
Bookish is a stylish new murder-mystery series set to premiere on PBS Masterpiece Mystery this January, bringing an atmospheric period detective story to your winter viewing lineup. Created by and starring Mark Gatiss (of Sherlock), the show follows Gabriel Book, an eccentric antiquarian bookseller in post-World War II London whose encyclopedic literary knowledge and keen insight into human nature make him an invaluable, if unconventional, consultant to the police as they tackle baffling crimes across the city. With a richly detailed 1946 setting, a cast of charming misfits, and three intriguing cases told over six episodes, Bookish blends sharp wit, layered mysteries, and historical charm.
Cozy mystery fans should be especially excited about Bookish because it combines the classic hallmarks of the genre — clever puzzles, a delightful lead with a distinctive sleuthing style, and an inviting ensemble — with the added pleasures of literary flair and post-war atmosphere. Gabriel Book’s bookshop-based investigations naturally appeal to fans who love intellectual deduction and character-driven stories, while the period detail and warm interactions among a quirky cast make it perfect for those who enjoy mysteries that feel like a cozy escape into another era.
Agatha Christie's Seven Dials - Mini Series
Premiere
Thursday, January 15, 2026 Netflix
Premise:
Agatha Christie’s Seven Dials is an upcoming three-episode mystery series set to premiere on Netflix. Based on Christie’s 1929 novel The Seven Dials Mystery, the story unfolds in 1925 England, where a practical joke at a grand country house party turns deadly and sparks a baffling murder investigation. The curious Lady Eileen “Bundle” Brent (played by Mia McKenna-Bruce) becomes an unexpected sleuth determined to follow cryptic clues — including a set of seven puzzling clocks — to uncover the truth behind her friend’s death. The richly atmospheric adaptation also stars Helena Bonham Carter as Lady Caterham and Martin Freeman as Superintendent Battle, with a creative team led by Broadchurch’s Chris Chibnall.
Cozy mystery fans should be excited because Seven Dials promises all the classic hallmarks of the genre: an intriguing whodunit, engaging amateur sleuthing, and a stylish period setting filled with eccentric characters and clever clues. Watching a spirited heroine like Bundle take the lead adds fresh energy while staying true to the charm of Christie’s storytelling. With its blend of suspense, wit, and vintage glamour, this limited series will be a treat for anyone who loves unraveling mysteries from the comfort of their sofa.
Death in Paradise - Season 15
February UK release, US to follow
Premise:
Death in Paradise is a long-running British crime-drama and cosy mystery series set on the fictional Caribbean island of Saint Marie, where an eclectic team of detectives solves cleverly plotted murders in sunny, postcard-perfect locales. Created by Robert Thorogood, the show blends classic whodunit storytelling with light humor and character-driven drama as each episode introduces a baffling mystery that the island’s police must untangle — usually leading to an ingenious reveal. Over the years, a parade of charismatic leads has kept the formula fresh, and the series’ mix of engaging procedural puzzles and exotic scenery has made it a favorite with audiences in the U.K., the U.S., and around the world.
Cozy mystery fans should be thrilled for the Season 15 because it means more of the signature blend of sun-soaked intrigue and endearing character moments that define the show. This season sees DI Mervin Wilson (played by Don Gilet) return to lead the team through another batch of inventive cases, with familiar faces like DS Naomi Thomas (played by Shantol Jackson) and others back on hand to offer sharp insights and island charm. With ongoing questions about long-loved supporting characters and new personal developments to explore, Death in Paradise continues to deliver the gentle mysteries and delightful atmosphere that cozy fans adore — perfect for winter viewing when you want to escape into a warm, clever whodunit.
Young Sherlock - Season 1
Premiere
March 4, 2026 Prime
Premise:
Young Sherlock is an upcoming mystery drama series that re-imagines the early life of literature’s most famous detective long before he became the legendary sleuth of Baker Street. Starring Hero Fiennes Tiffin as a 19-year-old Sherlock Holmes, the series follows him at Oxford University and beyond, where a murder case he’s wrapped up in threatens his future and pulls him into a globe-spanning conspiracy that helps shape the brilliant but unruly mind he will later be known for. Directed and executive produced by Guy Ritchie, Young Sherlock brings action, wit, and period atmosphere to an origin story full of intrigue, colorful characters, and the early development of Holmes’s deductive genius.
Cozy mystery fans should be excited about this premiere because it blends classic detective storytelling with fresh character depth and a sense of discovery that resonates with the heart of the genre. While Holmes is younger and less polished here, the series promises the clever puzzles, sharp observations, and layered mysteries that aficionados love — all wrapped in an evocative 19th-century setting with a strong cast and thoughtful world-building. Whether you enjoy character-driven narratives, historical mysteries, or simply love watching a great mind take shape, Young Sherlock offers a new and engaging chapter in one of fiction’s most enduring detective stories.