Series to Watch
  • Home
  • TV Series
    Episodes Airing Today New TV Series Popular TV Series Top Rated TV Series

Popular Mystery TV Series on Plex - Page 3

New Popular Top Rated
All Services Free Services
Netflix Netflix Amazon Prime Video Amazon Prime Video Apple iTunes Apple iTunes Apple TV Plus Apple TV Plus Disney Plus Disney Plus Google Play Movies Google Play Movies Paramount Plus Paramount Plus Hulu Hulu HBO Max HBO Max YouTube YouTube fuboTV fuboTV Peacock Peacock Peacock Premium Peacock Premium Amazon Video Amazon Video The Roku Channel The Roku Channel AMC+ AMC+ AMC on Demand AMC on Demand Kocowa Kocowa Hoopla Hoopla The CW The CW Vudu Vudu Starz Starz Showtime Showtime PBS PBS Pantaflix Pantaflix FXNow FXNow Tubi TV Tubi TV Kanopy Kanopy Comedy Central Comedy Central Crunchyroll Crunchyroll Microsoft Store Microsoft Store Redbox Redbox Sun Nxt Sun Nxt ABC ABC DIRECTV DIRECTV Crackle Crackle Fandor Fandor Plex Plex
All Genres
Action Adventure Animation Comedy Crime Documentary Drama Family Kids Mystery News Reality Sci-Fi Fantasy Soap Talkshow War Politics Western
apps menu
  • Moonlight

    2007

    Moonlight

    2007

    star 7.3
    Mick St. John is a captivating, charming and immortal private investigator from Los Angeles, who defies the traditional blood-sucking norms of his vampire tendencies by using his wit and powerful supernatural abilities to help the living.
  • Eerie, Indiana

    1991

    Eerie, Indiana

    1991

    star 7.6
    Teenage weirdness investigator Marshall Teller adventures through his new small-town home with his friends, geeky Simon Holmes and mysterious Dash X.
  • The Doctor Blake Mysteries

    2013

    The Doctor Blake Mysteries

    2013

    star 7.8
    Dr Lucien Blake left Ballarat as a young man. But now he finds himself returning to take over not only his dead father's medical practice, but also his on-call role as the town's police surgeon, only to find change is afoot, nothing is sacred, and no one is safe.
  • Father Brown

    1974

    Father Brown

    1974

    star 6.8
    Based on the short stories by G. K. Chesterton, Father Brown is a Roman Catholic priest and amateur detective.
  • Alcatraz

    2012

    Alcatraz

    2012

    star 6.4
    A unique team, consisting of a federal agent, a police officer and a conspiracy theory novelist, investigate the shocking reappearance of Alcatraz's most notorious prisoners, fifty years after they supposedly vanished.
  • Legend of Fei

    2020

    Legend of Fei

    2020

    star 7.3
    After growing up in a mountain stronghold created to oversee the martial arts world, Zhou Fei finally sets out to explore life beyond its walls. On her journey, she reunites with the enigmatic Xie Yun, and together they navigate a world of danger, secrets, and adventure across the martial arts realm.
  • Terror in Resonance

    2014

    Terror in Resonance

    2014

    star 7.8
    In an alternate version of the present, Tokyo has been decimated by a shocking terrorist attack, and the only hint to the identity of the culprit is a bizarre video uploaded to the internet. The police, baffled by this cryptic clue, are powerless to stop the paranoia spreading across the population. While the world searches for a criminal mastermind to blame for this tragedy, two mysterious children - children who shouldn't even exist - masterfully carry out their heinous plan. Cursed to walk through this world with the names Nine and Twelve, the two combine to form "Sphinx," a clandestine entity determine to wake the people from their slumber - and pull the trigger on this world.
  • Sherlock Holmes

    1954

    Sherlock Holmes

    1954

    star 7.2
    The first American television series of Sherlock Holmes adventures aired in syndication in the fall of 1954. The 39 half-hour mostly original stories were produced by Sheldon Reynolds and filmed in France by Guild Films, starring Ronald Howard as Holmes and Howard Marion Crawford as Watson. Archie Duncan appeared in many episodes as Inspector Lestrade. Richard Larke, billed as Kenneth Richards, played Sgt. Wilkins in about fifteen episodes. The series' associate producer, Nicole Milinaire, was one of the first women to attain a senior production role in a television series.
  • Freddy's Nightmares

    1988

    Freddy's Nightmares

    1988

    star 7.2
    The evil, sinister killer of the "Nightmare On Elm Street" movies, Freddy Krueger, hosts this show, where each week, he shows us a tale of evil and death about the lives of people who live in Springwood.
  • Pine Gap

    2018

    Pine Gap

    2018

    star 6.7
    A team of talented Australian and American intelligence analysts work together to ensure global stability in one of the world's most important and secretive joint intelligence facilities... Pine Gap. But the relationship between the Australian and American intelligence analysts working at Pine Gap isn’t always rosy.
  • Ultra Q

    1966

    Ultra Q

    1966

    star 8.1
    As supernatural events and monster attacks rock Japan, the military and government look to be overwhelmed. Three intrepid young investigators—two pilots and a reporter—take it upon themselves to study these unexplained phenomena in order to inform and protect the public.
  • Hinterland

    2013

    Hinterland

    2013

    star 7.2
    Tom Mathias comes to Aberystwyth having abandoned his life in London. He's a brilliant but troubled man. Despite his faults he is an excellent detective, who knows that the key to solving the crime lies not in where you look for truth, but how you look.
  • Fear Itself

    2008

    Fear Itself

    2008

    star 6.7
    A horror/suspense anthology series directed by the biggest horror directors working in feature films.
  • Night Visions

    2001

    Night Visions

    2001

    star 7.1
    Horror anthology series, with each episode comprising two half-hour stories dealing with themes of the supernatural or simply the dark side of human nature.
  • Flying Tiger III

    2021

    Flying Tiger III

    2021

    star 10
    The terrorist organization "Waganbu" infiltrated Hong Kong and set off a battle for chemical weapons in Hong Kong. Fan Shaofeng, the commander of the Flying Tigers, was ordered to fight against the terrorists. The Flying Tigers are trapped in the ruthless killing of Wagambu, the Special Service Superintendent Zhan Bowen convenes the police elites Zhang Weihua, Zhang Jiaxuan and Gao Zile to form a secret counter-terrorism team S Team . Faced with many crises, with the assistance of Interpol Xu Junfei, the two generations of China and Youth finally put aside their grievances and feuds and joined forces to prevent the spread of the chemical weapons virus in Hong Kong.
  • Frequency

    2016

    Frequency

    2016

    star 7.1
    Detective Raimy Sullivan is stunned when a voice suddenly crackles through her father’s old, long-broken ham radio – it’s Frank Sullivan, somehow transmitting over the airwaves and through the decades from 1996. Separated by twenty years, father and daughter have reunited on a frequency only they can hear, but can they rewrite the story of their lives without risking everyone they love?
  • Tasokare Hotel

    2025

    Tasokare Hotel

    2025

    star 7.5
    Who is the real you? The "Tasokare Hotel" exists in a state of twilight limbo, allowing souls caught between the afterlife and the world of the living to rest. Neko Tsukahara arrives with no memory of who she is or how she came to be there, and is shown to a room filled with items relating to her past. As she searches for a way to remember who she was, a certain incident confronts her.
  • Los misterios de Laura

    2009

    Los misterios de Laura

    2009

    star 7.5
    With her intuition and instinct, Laura Lebrel del Bosque, an innocent and intelligent police inspector with very original methods, naturally solves impossible crimes, dismantles alibis, and figures out who the murderer in every episode is. Meanwhile, her marriage with inspector Jacobo is not going through its best phase, she has to deal with her duties as a housewife and a mother of two very naughty five-year-old twins, and her workmate Martín cannot help getting into trouble.
  • Hammer House of Horror

    1980

    Hammer House of Horror

    1980

    star 7.1
    Each self-contained episode features a different kind of horror, varying from witches, werewolves, ghosts, devil worship and voodoo, but also includes non-supernatural themes such as cannibalism, confinement and serial killers.
  • The Dresden Files

    2007

    The Dresden Files

    2007

    star 7
    A Chicago-based wizard works as a private investigator.
  • «
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • »
  • Follow us here

    X Facebook YouTube
    HomeAboutPrivacy PolicyContact
    Copyright © 2026 Series to Watch.