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.
Watson (2025)
- Se:1 Ep:3
1
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)
- Se:1 Ep:16
- 0
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...
The Girlfriend (2025)
- Se:1 Ep:6
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Laura's idyllic life is shattered when her son's new girlfriend seems suspicious. Determined to protect him, Laura's actions spiral out of control, raising the question: Is she justifiably cautious or consumed by paranoia?
The Stolen Girl (2025)
- Se:1 Ep:5
- 1
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.
Dalah: Death and the Flowers (2025)
- Se:1 Ep:6
- 0
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.
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.
Dept. Q (2025)
- Se:1 Ep:9
- 1
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.
Countdown (2025)
- Se:1 Ep:13
- 1
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.
Missing You (2025)
- Se:1 Ep:5
- 0
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.
Mandala Murders (2025)
- Se:1 Ep:8
- 0
In a quaint mysterious town of Charandaspur, where fate, myth, and murder entwine, detectives Rea Thomas and Vikram Singh unravel a chilling conspiracy of ritualistic killings tied to a centuries-old secret society.
The Assassin (2025)
- Se:1 Ep:6
- 0
A retired assassin reunites with her estranged son, but her dangerous past catches up with them, forcing them to go on the run together while uncovering a dark conspiracy that threatens their relationship.