Entertainment
10 Perfect Detective Shows With Fewer Than 20 Episodes
Audiences love to feel as if they’re a part of the action when they watch a television show. To be able to immerse oneself is the excitement. So, when it comes to detective series, being able to figure out the mystery, murder, or crime alongside the protagonist is the thrill. Solving the case before them makes it even better!
The genre has often led to some of the most bingeable content, so we’re here to celebrate perfect detective shows with 20 episodes or less. Whether miniseries or long-running titles with shorter-episode seasons, these shows are exceptional at building the tension before executing the catch. Of course, there will be twists and turns along the way. Some procedurals are a case-of-the-week story while others use a singular season for a particular crime. Nevertheless, strap in! These series are simply perfect.
1
‘Ballard’ (2025–Present)
If we were looking at shows with longer episode runs, then most certainly we would be discussing the beloved Prime Video series Bosch. But the next best thing is the spin-off, Ballard. Based on Renée Ballard by Michael Connelly, the police procedural follows Renée Ballard (Maggie Q) as she leads the department’s newly formed, underfunded, all-volunteer cold case division. Detective Ballard and her eccentric team tackle Los Angeles’ most challenging, long-forgotten crimes, while uncovering a dangerous, deep-seated conspiracy within the LAPD. While Harry Bosch (Titus Welliver) does cross over to help her navigate the life-threatening dangers tied to the conspiracy, this series is all Ballard, all the time.
With a second season coming, Ballard picks up where Bosch and Bosch: Legacy left off. Created by Michael Alaimo and Kendall Sherwood, Ballard pairs Q’s grounded, magnetic performance with sharply written stories, tight pacing, and a rich connection to the extended Bosch universe. As Ballard, Q brings a raw intensity alongside empathy and quiet vulnerability to a detective forced into the basement unit. The rapport she has with the underdog volunteers and investigators, namely the ambitious Samira Parker (Courtney Taylor), builds the emotional stakes within the episodic cold cases and overarching serialized conspiracy. Whether you are coming into the series fresh or as a long-time Bosch fan, Ballard proudly lives on its own.
2
‘Happy Valley’ (2014–2023)
If you’re from the UK, you likely already know about the powerhouse that is Happy Valley. If you’re new to the series, strap in—it’s extraordinary. The BAFTA-winning series created by Sally Wainwright is a grisly crime drama that follows Catherine Cawood (Sarah Lancashire), a strong-willed police sergeant in a small West Yorkshire town. She deals with local crimes while trying to protect her family from a dangerous criminal linked to her past tragedy—the prison release of Tommy Lee Royce (James Norton), the violent man whom she blames for her daughter’s suicide. Set in the Calder Valley, a depressed locale with severe drug problems which cops jokingly refer to as “happy valley,” the sensational series blends gripping, high-stakes crime writing with rich emotional realism through a complex examination of family, trauma, and local heroism. At its core, Happy Valley is a richly human story.
Happy Valley is a harrowing series that features one of the greatest character examinations led by a fervent performance by Lancashire. Paired with Wainwright’s naturally grounded dialogue, Lancashire gives a tour de force performance. She balances fierceness with extraordinary vulnerability and tinges of dark humor. Cawood is a deeply flawed woman experiencing immense grief. Her decision-making regarding outside cases is sometimes hindered as her mind is on Tommy at all times, especially when he gets closer to her grandson, Ryan (Rhys Connah). While you may know Norton today from his role as Ormund Hightower on House of the Dragon, he provides a chilling performance as the complex villain. He’s a snake and a cockroach all rolled up into one. Through three seasons, with a major real-time jump for Season 3, Happy Valley avoids glossy detective tropes in order to focus on the messy realities on the ground in the small community. Happy Valley is an excruciatingly high-tension, slow-burning masterpiece that never skimps on the cruel, gruesome truths.
3
‘Luther’ (2010–2019)
Tapping out our list with 20 episodes over five seasons comes the psychological crime thriller, Luther. Written by Neil Cross, the series follows DCI John Luther (Idris Elba), a brilliant yet self-destructive homicide detective in London. Luther gets deep inside the minds of killers using unconventional methods, but his intense, violent temper and emotional impulses frequently put him at odds with his bosses as he battles his inner demons. The most prominent antagonist is Alice Morgan (Ruth Wilson), a brilliant scientist and murderer whom Luther cannot legally convict. They form a twisted, complex intellectual bond and alliance. Each season features gritty investigations into violent crimes, psychological predators, and serial killers. Through an inverted “howcatchem” format where the killer is often revealed early, Luther is a compelling detective thriller that helped to establish the powerhouse that is Elba.
Rather than exploring the typical detective format, Luther shifts the narrative focus to the psychological cat-and-mouse hunt. Atmosphere is everything as the series captures a dark, moody, rain-drenched London backed by a hauntingly gloomy soundtrack. It creates an oppressive tone that Luther must overcome. A highly addictive series, Luther keeps the seasons compact to prevent bloated storytelling, allowing for breakneck pacing and emotional exhaustion. Elba infuses the series with raw intensity and magnetic charisma to anchor it. Luther is not a clean, by-the-books hero, often operating on the edge to break rules and channel the darkness of the criminals he hunts. Like many series, Luther has been given a movie special, Luther: The Fallen Sun, with another to come.
4
‘Mare of Easttown’ (2021)
Very few limited series have made such an impact quite like Mare of Easttown. Created by Brad Ingelsby and directed by Craig Zobel, the HBO masterpiece brought Kate Winslet to the small screen without the glamor; the result was flawless. The series follows Mare Sheehan (Winslet), a depressed detective in a small Pennsylvania town. She investigates the murder of a teenage mother, which is linked to an older, unsolved missing person case in the community. As she’s deeply involved in her work, Mare does all she can to keep her fractured personal life and past family tragedies from destroying her, grieving the suicide of her son, a bitter custody battle, and a failed marriage. Mare of Easttown is a multidimensional drama that focuses on a tight-knit, struggling blue-collar town where everyone knows each other, but each hides a dark secret that binds them.
Mare of Easttown transcends the typical murder mystery series into a deeply human, multi-layered family drama. It balances a gripping whodunnit with an authentic portrayal of grief, community trauma, and working-class life in America. Community is at the focus as Ingelsby ensures that the town is lived in. That means it’s immersive in the dialogue, Delco dialect, and references. Though the crimes and investigation are central, Mare of Easttown gives room for the messy, mundane human life to play into the action. Winslet provides a career-best performance, anchoring the story with grit, tenacity, exhaustion, and vulnerability. She’s joined by a top-tier cast, including Jean Smart, Julianne Nicholson, Cailee Spaeny, and Evan Peters. As much as fans wish for more Mare, it doesn’t seem to be in the cards as of now. That said, Ingelsby’s series Task, will officially link the universes as Lori Ross (Nicholson) will be featured during Season 2.
5
‘Mindhunter’ (2017–2019)
No better way to catch a criminal than to get into the mindset of one. Based on the 1995 true-crime book Mindhunter: Inside the FBI’s Elite Serial Crime Unit by John E. Douglas and Mark Olshaker, comes the Joe Penhall-created thriller Mindhunter. The psychological crime series explores the birth of criminal profiling in the FBI during the late 1970s and early 1980s. Agents Holden Ford (Jonathan Groff) and Bill Tench (Holt McCallany), alongside psychologist Wendy Carr (Anna Torv), interview imprisoned serial killers to understand how they think and apply those insights to solve open cases. The agents talk in-depth with real-life-inspired murderers like Ed Kemper (Cameron Britton) and Charles Manson (Damon Herriman) to map their psychological patterns. Mindhunter taps into the depth of how getting close to evil minds damages the agents’ mental health, families, and careers.
Through the pioneering of “sequence killers” profiling, Mindhunter is a fascinating examination of the gruesome patterns of monsters. Rather than jump scares and gore, Mindhunter uses chilling, meticulously researched conversations through the dark, cinematic lens overseen by director David Fincher. Mindhunter proves that words can be far more horrifying. The quiet interviews across a table can be more frightening than an action sequence. Perhaps what makes it even more unsettling is that the exchanges with imprisoned killers are directly adapted from actual transcriptions and historical records, making Mindhunter one of the most realistic true-crime-inspired series out there. Mindhunter forces its audiences to see the killers as more than cartoonish villains, but as deeply disturbed individuals who are necessary to save the future. Through two seasons, Mindhunter distinguished itself at the top of the genre, leaving some fans wanting more.
6
‘River’ (2015)
Perhaps one of the more underappreciated series on this list is the six-part British crime drama, River. Created by Abi Morgan, the series is about John River (Stellan Skarsgård), a brilliant police inspector who is deeply grief-stricken and psychologically fractured after the sudden murder of his close work partner, Detective Sergeant Jackie “Stevie” Stevenson (Nicola Walker). While trying to handle his regular caseload, his inquiry into Stevie’s murder forces him to uncover hidden, complicated truths about the partner he thought he knew so well. As he suffers from severe mental health struggles, causing him to see and converse with vivid hallucinations of murder victims, River blurs the lines between the living and the dead. River subverts the standard police procedural by turning a murder investigation into an intimate, haunting exploration of grief, mental health, and human connection.
River moves beyond the typical detective story with a unique supernatural conceit. River’s hallucinations of the dead externalize his severe grief and internal breakdown. With an inward focus, River cares less about procedural mechanics and more about the invisible, heavy toll that empathy and exposure to human cruelty take on an individual dead set on doing good. Skarsgård takes on the fragile mind of the titular character with care. He offers a deeply vulnerable, layered performance as a man teetering on the verge of sanity. Though he is the center of the story, Walker does a wonderful job as the sharply charismatic Stevie, serving as an emotional anchor for the entire series. A moody series with a matching atmosphere, the cold texture and somber tone provided for an award-winning series. If you haven’t watched it yet, add it to the queue.
7
‘Sherlock’ (2010–2017)
There have been quite a few film and television adaptations of Sir Arthur Conan Doyle‘s detective stories, but none have been as extraordinary as Sherlock. Created by Steven Moffat and Mark Gatiss, the British crime drama updates the classic tale to 21st-century modern-day London. Eccentric “consulting detective” Sherlock Holmes (Benedict Cumberbatch) and his flatmate, Dr. John Watson (Martin Freeman), an army doctor recently back from Afghanistan, take on an array of mysteries as they frequently lock horns with complex villains, including Jim Moriarty (Andrew Scott), an equally brilliant criminal mastermind. Taking the tropes Doyle masterfully wrote and projecting them through a modern lens, Sherlock uses fast-paced storytelling, mesmerizing cinematic visuals, and extraordinary performances to introduce the infamous character to a new generation.
Rather than bogging down the story in the past, the modern take allows for the nuances of modern detective work to take flight. Sherlock uses modern tech like smartphones, the internet, GPS, and text messaging to solve crimes. The show highlights Sherlock’s brilliant mind through swift-moving visual graphics to depict how he reads clues and processes details. Cumberbatch plays his Sherlock as a brilliant, arrogant, and hyper-observant high-functioning sociopath. Dr. Watson serves as a grounded companion who chronicles their adventure via a blog, while helping to ground Sherlock’s lack of social grace. Freeman provides the vital human element to balance the eccentricities of his partner. Together, they are an instantly classic duo that emerged as one of the decade’s most dynamic pairs. The series is a faithful adaptation of the source material with clever callbacks woven in. Rather than the standard weekly television format, each episode operates like a feature-length masterpiece. The concise series makes Sherlock the perfect weekend binge-watch.
8
‘The Fall’ (2013–2016)
Considered one of the greatest Irish crime dramas of all time, The Fall was the ultimate cat-and-mouse drama. The series follows the extraordinary chase between Detective Superintendent Stella Gibson (Gillian Anderson), a cool and analytical senior investigator brought in from London, and Paul Spector (Jamie Dornan), a grieving bereavement counselor and family man who lives a double life as a brutal serial killer in Belfast. The show highlights the dual hunt equally on both the hunter and the hunted, examining the psychology behind their actions. A masterful take on gender and power, The Fall explores the societal attitudes toward female victims and how it can shape a case.
The Fall is a gripping psychological drama that avoids the traditional whodunit trope by revealing straight away that the killer is Paul. By immediately exposing his identity, it allows the audience to follow his journey through his contrasting lives. The Fall is a psychological chess match that poses as a brilliant police procedural. Created by Allan Cubitt, the series pairs its themes perfectly with the action. The backdrop of Belfast serves as a living, breathing character. It lends itself to a dark, brooding, and distinct presence as the game board for Gibson and Spector. The X-Files fans may be used to Anderson having a different partner in crime, but Dornan moves in as a perfect foil for her to work against, making him an equally great scene partner. The Fall will keep you guessing. Through three tight seasons, The Fall keeps you on the edge of your seat.
9
‘Three Pines’ (2022)
An underrated masterpiece from Prime Video, Three Pines brought Louise Penny‘s novel series to life in perfect fashion. The mystery drama centers on Chief Inspector Armand Gamache (Alfred Molina) as he investigates bizarre murders in a quirky, idyllic, remote Canadian village. Along the way, he uncovers local secrets as he searches for missing Indigenous women. Using empathy and keen observation to see things others miss, Three Pines features four distinct murder mysteries that are split across eight episodes. Through a smart, gentle approach with serious social commentary, Three Pines uses the detective approach to offer a thoughtful look at human nature.
Set in an idealistic Quebec locale, the story contrasts the cozy aesthetic with a dark, complex psychological undercurrent. Rather than simply focusing on unique small-town murders, Three Pines weaves an ongoing, respectful examination of systemic issues regarding the plight of missing and murdered Indigenous women in Canada. Three Pines entertains while concurrently educating about the awful realities. Molina takes good care in adapting Penny’s character. He plays Gamache as a warm, highly observant, and deeply compassionate leader who treats his team and suspects with a rare form of kindness. He exemplifies the proper moral compass a good detective needs. Sadly, the series was canceled after one season. Don’t let the cold location fool you—Three Pines is a cozy watch.
10
‘Young Sherlock’ (2026–Present)
Everyone loves a good origin story, and Young Sherlock proved just how cool Sherlock Holmes truly was before he turned into the legendary detective we know him as. Created by Matthew Parkhill and developed by Peter Harness and Guy Ritchie, Young Sherlock is inspired by Andrew Lane‘s book series. The high-energy origin story follows an undisciplined yet tuned-in 19-year-old Sherlock Holmes (Hero Fiennes Tiffin). Set in 1871, long before Baker Street, the rebellious and reckless amateur sleuth is pulled out of trouble by his older brother Mycroft (Max Irons) and given a chance at redemption. What begins as a local murder investigation in Oxford quickly spirals into an international conspiracy that threatens his freedom and family as it shapes his brilliant mind. Alongside his friend James Moriarty (Dónal Finn), the globe-trotting mystery avoids the murder-of-the-week format for an overarching thrill that establishes a unique prequel dynamic we wish to make canon.
Rather than make Young Sherlock a bland detective series, Ritchie’s signature stylish flair is in full effect. With a vibrant Victorian setting and fast-paced action that gives the character an extra cinematic punch. With fast editing, stylish cinematography, action-packed fight choreography, and a modern musical vibe, Young Sherlock establishes itself with its own brilliant identity. The entire cast is wonderful, but Fiennes Tiffin emerged as a superstar. He is an enigmatic and charismatic Sherlock who brings enough intrigue into what he might do next. He leads the ensemble, which also features Colin Firth, Zine Tseng, Holly Cattle, Natascha McElhone, and his real-life uncle, Joseph Fiennes, playing Sherlock’s father, Silas. Young Sherlock operates as a perfect bridge for Doyle fans and those who simply adore detective mysteries. The series brilliantly establishes the complex dynamic between Sherlock and Moriarty before they become infamous archenemies. With Season 2 coming along, that path to rivals may be arriving sooner than anticipated.
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