Top Mystery Series of 2021 Online
Uncover the unknown with the best mystery series of 2021 online. From mind-bending plots to gripping whodunits, these shows keep you captivated with every clue and twist. Watch the top mystery series of 2021 online and immerse yourself in thrilling tales of suspense and intrigue.
The Irregulars (2021)
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In Victorian London, a gang of troubled street teens are manipulated into solving crimes for the sinister Doctor Watson and his mysterious business partner, the elusive Sherlock Holmes. As the crimes take on a horrifying supernatural edge and a dark power emerges, it'll be up to the Irregulars to come together to save not only London but the entire world.
Dr. Brain (2021)
- Se:1 Ep:6
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Brilliant brain scientist Sewon suffers a horrific personal tragedy. Desperate to uncover what happened to his family, he conducts "brain syncs" with the dead to access their memories for clues.
Dan Brown's The Lost Symbol (2021)
- Se:1 Ep:10
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The early adventures of young Harvard symbologist Robert Langdon, who must solve a series of deadly puzzles to save his kidnapped mentor and thwart a chilling global conspiracy.
Chapelwaite (2021)
- Se:1 Ep:10
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In the 1850s, Captain Charles Boone relocates his family of three children to his ancestral home in the small, seemingly sleepy town of Preacher’s Corners, Maine after his wife dies at sea. Charles will soon have to confront the secrets of his family’s sordid history, and fight to end the darkness that has plagued the Boones for generations.
Dead Places (2021)
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An author who has dedicated his career to solving paranormal cases, returns home to South Africa to investigate the biggest mystery of his life: His sister's death in a water canal 20 years ago.
The Pact (2021)
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How far would you go to protect those you love? Divided loyalties test the ties of family and friends—because secrets always have consequences.
Clickbait (2021)
- Se:1 Ep:8
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When family man Nick Brewer is abducted in a crime with a sinister online twist, those closest to him race to uncover who is behind it and why.
Annika (2021)
- Se:2 Ep:12
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The sharp, witty and enigmatic DI Annika Strandhed, as she heads up a new specialist Marine Homicide Unit (MHU) that is tasked with investigating the unexplained, brutal, and seemingly unfathomable murders.
Calls (2021)
- Se:1 Ep:9
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Interconnected phone conversations chronicle the mysterious story of a group of strangers whose lives are thrown into disarray.
Anna (2021)
- Se:1 Ep:6
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A 13-year-old Sicilian girl must contend with a viral contagion that has killed off all adults on the island as she sets out in search of her kidnapped brother.
Invisible City (2021)
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An environmental police officer uncovers a hidden world of mythological entities from Brazilian folklore when he finds a connection between the mysterious appearance of a dead river dolphin on a Rio de Janeiro beach and the death of his beloved wife.
Station Eleven (2021)
- Se:1 Ep:10
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A post apocalyptic saga spanning multiple timelines telling the stories of survivors of a devastating flu as they attempt to rebuild and reimagine the world anew while holding on to the best of what's been lost.
Mumbai Diaries (2021)
- Se:2 Ep:16
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A medical thriller set in the Emergency Room of a government hospital. The series explores the challenges faced by the medical staff at the hospital as well as other first responders across the city of Mumbai in dealing with a crisis of immense magnitude. In this battle to save lives and heal others, the ones doing the fixing are the most broken.
Aranyak (2021)
- Se:1 Ep:8
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After a foreign teenage tourist goes missing in a misty village, Kasturi, a frazzled local cop, is forced to team up with her city-bred successor, Angad, on a high-profile case that unearths skeletons and resurrects a long-forgotten legend of a savage serial killer in the woods.
Sisyphus (2021)
- Se:1 Ep:16
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An unfathomable incident introduces a genius engineer to dangerous secrets of the world — and to a woman from the future who's come looking for him.
Nine Perfect Strangers (2021)
- Se:2 Ep:11
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At a boutique health-and-wellness resort that promises healing and transformation, nine stressed city dwellers try to get on a path to a better way of living. Watching over them during this 10-day retreat is the resort's director, Masha, a woman on a mission to reinvigorate their tired minds and bodies. However, these nine "perfect" strangers have no idea what is about to hit them.
Brand New Cherry Flavor (2021)
- Se:1 Ep:8
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A filmmaker heads to Hollywood in the early ’90s to make her movie but tumbles down a hallucinatory rabbit hole of sex, magic, revenge — and kittens.
Katla (2021)
- Se:1 Ep:8
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A year after a subglacial volcano erupts, mysterious elements from prehistoric times emerge from the melting ice, bringing unforeseen consequences.
One of Us Is Lying (2021)
- Se:2 Ep:16
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The story of what happens when five high schoolers walk into detention and only four make it out alive. Everyone is a suspect, and everyone has something to hide.
Wakefield (2021)
- Se:1 Ep:8
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Nikhil Katira is a psychiatric nurse working at Wakefield, a facility perched on the edge of Australia's spectacular Blue Mountains. There's one problem - while his patients are getting better, he's getting worse.
Open Your Eyes (2021)
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After a tragic accident, an amnesiac teen tries to rebuild her life at a memory disorders center but becomes suspicious of her unconventional treatment.
One Deadly Mistake (2021)
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Each episode of “One Deadly Mistake” follows a homicide investigation where police work tirelessly against the clock to solve a complex case, until they discover an unlikely piece of evidence that exposes the identity of the killer.
Stay Close (2021)
- Se:1 Ep:8
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When Carlton Flynn vanishes 17 years to the night after Stewart Green did, it sets off a chain reaction in the lives of people connected to both men.
Crime Scene: The Vanishing at the Cecil Hotel (2021)
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The notorious Cecil Hotel grows in infamy when guest Elisa Lam vanishes. A dive into crime's darkest places.
Jupiter's Legacy (2021)
- Se:1 Ep:8
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As the world's first generation of superheroes (who received their powers in the 1930s) become the revered elder guard in the present, their superpowered children struggle to live up to the legendary feats of their parents.
Kitz (2021)
- Se:1 Ep:6
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Seeking revenge on the girl she blames for her brother's death, a Kitzbühel waitress infiltrates the glitzy world of a group of wealthy Munich teens.
The Silence (2021)
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Dramatic events unfold in Croatia and Ukraine. The first girl drowned, the second one died from a drug overdose. The main suspect in these deaths, however, soon turns out to be innocent - and dead too. While detective Vladimir and reporter Stribor struggle to solve these murders in Croatia, the niece of Olga, an Ukrainian philanthropist, goes missing in Kyiv.
Elves (2021)
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A Christmas vacation turns into a nightmare for a teenager and her family when they discover an ancient menace that stalks their island getaway.
Times (2021)
- Se:1 Ep:16
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A passionate reporter with exceptional talent, Lee Jin Woo has dedicated his entire career to pursuing nothing but the truth. Committed to telling the whole story, Jin Woo will do whatever it takes to find and report the hard facts. A hard-working man with a nose for news, Jin Woo’s life takes an unexpected turn when a mysterious phone call connects him with Seo Jung In, a woman who claims to be living five years in the future. A hard-nosed reporter with a burning passion for her work, Seo Jung In has a knack for finding the best stories. But sometimes digging deep uncovers some nasty truths. Following a string of leads, Jung In uncovers a
Guilty Party (2021)
- Se:1 Ep:10
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Beth Burgess, a discredited journalist, is desperate to salvage her career by latching on to the story of a young mother sentenced to life in prison for maiming and murdering her husband, crimes she claims she didn't commit. In trying to uncover the truth, Beth finds herself in over her head as she contends with Colorado gun-smugglers, clickbait culture, the doldrums of marriage and her own tarnished past.
The Promise (2021)
- Se:1 Ep:6
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What's the worst that can happen to a police officer? Definitely an unresolved investigation. This is what happens on Boxing Day 1999. Charlotte Meyer, an 11-year-old girl, disappears without a trace. Captain Pierre Castaing, in charge of the investigation, fails to find her. Where did she go? The mystery remains intact ... A few hundred kilometers away, a young investigator finds herself confronted with a similar disappearance ...
Elite Short Stories: Phillipe Caye Felipe (2021)
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Away from school, during the winter holidays, three new stories take place while the Las Encinas students celebrate Christmas.
Chimera (2021)
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Chimera incident, a serial murder and explosion crime that shook the year of 1984, takes place exactly the same thirty five years later in 2019. Just like the terrible explosion in the past, the murder of the crime is called Chimera, a monster in the Greek myth with the head of a lion, body as a goat, and tail as a snake that shoots fire through its throat.
Crime (2021)
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Detective Inspector Ray Lennox investigates the disappearance of a schoolgirl while battling cocaine addiction and a mental breakdown.
Gloria (2021)
- Se:1 Ep:6
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In a small Breton town, by the water, in a close-knit community where everyone knows each other, Gloria, a lawyer and mother of three on maternity leave, sees her daily life shattered when her husband disappears from overnight, without explanation.
The Haunted Museum (2021)
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Follow the frightening and hellish tales behind the spooky relics on display in Zak Bagans' Las Vegas museum, by way of scripted shorts produced by Eli Roth and his accredited team, and with featured commentary from Bagans himself.
I Know What You Did Last Summer (2021)
- Se:1 Ep:8
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In a sun-soaked Hawaiian town with a mysterious past, a group of friends is left with a dark secret after a tragic accident. One year later, a member of the group receives a threatening message, and the friends now know that someone intends to make them pay for last summer.
The Tailings (2021)
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In a remote town in Western Tasmania, a teenage girl goes in search for the truth about her father's death and uncovers a secret that changes everything.
Red Election (2021)
- Se:1 Ep:10
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Danish secret service agent Katrine Poulson and British spy Beatrice Ogilvy are thrown together in a race against time. As a terrorist plot against the British PM unfolds, Poulson and Ogilvy are tangled up in a web of lies, murder and power struggles; they can't trust anyone, and they soon realise the deadly conspiracy could be part of a far-reaching geopolitical masterplan.
SurrealEstate (2021)
- Se:2 Ep:20
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Aided by his own remarkable abilities and an eclectic team of associates, real estate agent Luke Roman specializes in “metaphysically engaged properties,” aka haunted houses. Together they investigate, clear and close the houses nobody else can.
Whitstable Pearl (2021)
- Se:3 Ep:18
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With her son grown up, single mom Pearl Nolan decides to pursue her lifelong dream and launches a private detective agency, which she runs from her family's restaurant in the coastal town of Whitstable. Drawn by her caring nature, locals soon flock to her with all manner of cases. But when an old friend dies suspiciously, Pearl finds herself in conflict with gruff new cop in town, DCI Mike McGuire.
Elite Short Stories: Samuel Omar (2021)
- Se:1 Ep:3
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Away from school, during the winter holidays, three stories take place while the Las Encinas students celebrate Christmas.
Dalgliesh (2021)
- Se:3 Ep:18
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A recent widower and acclaimed poet, enigmatic Inspector Adam Dalgliesh employs his exceptional empathy and insight to plumb the darker depths of the human psyche while investigating complex crimes in 1970s England.
Sophie: A Murder in West Cork (2021)
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A shocking murder in rural Ireland sets off an increasingly convoluted quest for justice that spans decades and cuts across national borders.
The Girl Before (2021)
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A traumatized woman falls in love with an extraordinary minimalist house, which remains under the spell of the architect who originally designed it, but everything may not be as it seems.
THE VISIT (2021)
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Only Ensaaf can reverse her grandmother’s curse on Al Samaans, but her path is paved with challenges and her destiny is tied to the success of her endeavour.
Paradise (2021)
- Se:2 Ep:15
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At the end of the summer of 1992, three 15-year-old girls, Sandra, Eva and Malena disappear without a trace from a nightclub in a coastal town. When the police investigation appears to be taking the wrong direction, Javi, Sandra’s younger brother, takes the matter into his own hands. Along with the help of his friends, they discover something not of this world.
The Girl in the Woods (2021)
- Se:1 Ep:8
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Carrie is a mysterious warrior who escaped from a cult-like colony that guards the world from monsters hidden behind a secret door in the woods.
Blackout: Tomorrow Is Too Late (2021)
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A chain reaction in the European power grid plunges the continent into darkness. Hacker Pierre Manzano realizes that a code he wrote is to blame. In Germany Frauke Michelsen heads the country’s crisis response team. Disaster looms.