Top Mystery Series of 2025 Online
Uncover the unknown with the best mystery series of 2025 online. From mind-bending plots to gripping whodunits, these shows keep you captivated with every clue and twist. Watch the top mystery series of 2025 online and immerse yourself in thrilling tales of suspense and intrigue.
S Line (2025)
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A young woman with the ability to see mysterious red connections between lovers discovers her secret gift is no longer unique when special glasses granting similar powers appear on the black market.
Friendly Rivalry (2025)
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A gripping teen mystery thriller that centers on the intense bond between teenage girls as they navigate a brutal survival competition even more challenging than the entrance exam.
Nine Puzzles (2025)
- Se:1 Ep:11
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Jo I-na finds her uncle murdered beside a puzzle piece but can't explain her presence. Ten years later, as a criminal profiler, she investigates murders where victims are found with similar puzzle pieces.
Revival (2025)
- Se:1 Ep:10
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One miraculous day in rural Wisconsin the deceased rise from their graves, yet appear and act unchanged. And now it is up to Officer and single mother Dana Cypress to solve a murder case where everyone, alive or undead, is a suspect.
UNTAMED (2025)
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A National Parks Service agent investigates a brutal death at Yosemite National Park.
The Witch (2025)
- Se:1 Ep:10
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Park Mi Jeong, became a translator because of her excellent English skills. Despite her beauty, she led a solitary life, earning the nickname "witch" as men fell in love with her mysterious charm.
The Eastern Gate (2025)
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After a personal tragedy, Polish intelligence agent Ewa Oginiec plans to quit the service. Her world is shaken when her partner vanishes following exposure by Russian operatives.
Playing Go (2025)
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Two brothers, a Go teacher and a policeman, find their lives diverging when one accidentally becomes a criminal during early 20th century China's social upheaval
The Better Sister (2025)
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Chloe navigates life with husband Adam and son Ethan while her sister Nicky battles addiction. Adam's murder unveils long-hidden family secrets, shaking their world.
Grosse Pointe Garden Society (2025)
- Se:1 Ep:13
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Follows four members of a suburban garden club, as they get caught up in murder and mischief, as they strive to flourish.
The Glass Dome (2025)
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A criminologist and her former police chief partner investigate the vanishing of a local girl in the small Swedish town where she was once held captive.
Sherlock & Daughter (2025)
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Sherlock Holmes faces a sinister case risking friends' lives. American Amelia joins, seeking her father after her mother's murder. Despite differences, they solve a conspiracy and her mother's case.
Nine Bodies in a Mexican Morgue (2025)
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Nine strangers who find themselves lost in a remote Mexican jungle after their small plane crashes. The plot thickens as members are murdered one by one and the remaining survivors must solve the mystery.
Sara - Woman in the Shadows (2025)
- Se:1 Ep:6
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A retired intelligence operative haunted by her son's premature death returns to spycraft and allies to unravel the mystery. While navigating old ghosts and dangers, she must balance justice for her son with learning who he really...
Just One Look (2025)
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Grace's life unravels when an old photo shows her husband and others, one with a crossed-out face. Grace searches for him, realizing he's been kidnapped while her kids are threatened. The truth leads back to Grace's past trauma.
We Were Liars (2025)
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The story of a 17 year old girl from a wealthy family. Cady Sinclair spends her summers on a private island. After suffering a terrible accident she struggles to remember events that happened in her past.
Under a Dark Sun (2025)
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A woman fleeing her past faces murder charges after her flower farm employer dies - only to learn he was her biological father.
Olympo (2025)
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When a swimmer collapses at a high-performance sports center, Amaia investigates the extreme risks her fellow athletes are taking to feed their ambition.
Devil's Diner (2025)
- Se:1 Ep:6
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A mysterious chef operates in a remote location, preparing magical dishes that fulfill customers' greatest wishes, but if they're willing to pay the price.
Missing You (2025)
- Se:1 Ep:5
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Detective Kat Donovan's world unravels when she finds her estranged fiancé on a dating app. This leads Kat to reopen the unsolved mystery surrounding her father's murder.
Ameku Takao's Detective Karte (2025)
- Se:1 Ep:11
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Ten’ikai General Hospital’s Supervisory Department of Diagnostic Pathology handles cases other physicians deem too difficult to treat. It’s also where bizarre mysteries surface, from unexplained illnesses to strange murders even the police can’t solve. At the center of it all is Takao Ameku, a brilliant doctor determined to reveal the shocking truth behind these anomalies.
Hound's Hill (2025)
- Se:1 Ep:5
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Famous writer Mikolaj returns to hometown facing blackmail over a book about a past murder. His activist father opposes local corruption. Mikolaj's journalist wife investigates, uncovering dark secrets tied to the town's tragic hi...
The Institute (2025)
- Se:1 Ep:8
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Luke Ellis whose parents are murdered. He wakes up at The Institute in a room that looks just like his own, except there's no window. Outside his door are other doors, behind which are other kids. who got there the same way Luke did.
The Åre Murders (2025)
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A Stockholm detective under internal investigation heads to a ski resort to unwind, until a young girl's disappearance compels her back to work.
Countdown (2025)
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An LAPD officer joins a secret task force to investigate a suspicious murder, but uncovers a sinister plot that requires the team to unite and save millions in the city.
Dalah: Death and the Flowers (2025)
- Se:1 Ep:6
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When her client dies on the eve of his wedding, a florist sets out to find the killer, unearthing high society's dark secrets while keeping her own.
Watson (2025)
- Se:1 Ep:3
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A year after the death of his friend and partner Sherlock Holmes, Dr. John Watson resumes his medical career at a clinic dedicated to the treatment of rare diseases. However, he soon finds that his old life is not done with him yet.
Buried Hearts (2025)
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A man hacks a secret political slush fund of 2 trillion won for survival. An elite figure kills him for the fund, only to find it empty, leading to chaos and betrayal. True motives behind the slush fund emerge, leaving everyone vu...
Dept. Q (2025)
- Se:1 Ep:9
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Carl, a former top-rated detective who is wracked with guilt following an attack that left his partner paralyzed and another policeman dead. On his return to work, Carl is assigned to a cold case that will consume his life.
Bet (2025)
- Se:1 Ep:10
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A transfer student from Japan disrupts a boarding school's power structure with her gambling skills, challenging the Student Council while pursuing revenge that could overturn the entire system.
When No One Sees Us (2025)
- Se:1 Ep:8
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Set in Morón de la Frontera, follows Lucía Gutierrez, a sergeant in the Spanish Civil Guard who investigates weird incidents at the first Holy Week float processions as well as the inexplicable suicide of a neighbor there.
The Stolen Girl (2025)
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A mother-of-two whose world is turned upside down when she agrees to let her nine-year-old daughter have a sleepover at her new best friend's house.