10 excellent free mystery shows you should watch immediately.

      Streaming services offer great content, but they come with subscription fees. Netflix, Disney+, and nearly all other streaming platforms charge for access. Occasionally, you may want to find a movie to watch without any cost.

      If you’re in search of engaging free mystery films, we have a list for you. Here are some excellent free mystery movies that you can watch without worrying about unexpected charges.

      Looking for more suggestions? Check out our list of 10 free sci-fi movies to stream right now, the best free movies available on YouTube, and 10 free family and kids movies you can watch now.

      **Zodiac (2007)**

      Directed by David Fincher, *Zodiac* explores obsession and follows the lives of those affected by the Zodiac killings in the 1970s. While the central mystery is about the identity of the Zodiac killer, the film primarily examines how one’s obsessions can shape their life. Featuring standout performances from Robert Downey Jr., Mark Ruffalo, and Jake Gyllenhaal, *Zodiac* is captivating throughout, largely because the mystery remains unresolved. The film emphasizes the intrigue and the lives caught in its entanglements. You can watch *Zodiac* on PlutoTV.

      **Memento (2001)**

      Christopher Nolan’s *Memento* is a neo-noir thriller with a unique narrative structure. The protagonist suffers from short-term memory loss, and the audience follows his journey as he navigates through time—both forward and backward—resetting his memories until the two timelines converge. Guy Pearce delivers an outstanding performance, and the film’s mind-bending nature contributes to its gripping quality. It also foreshadows Nolan’s ongoing fascination with time in his later works. You can find *Memento* on Tubi.

      **Memories of Murder (2003)**

      Before his success with *Parasite*, Bong Joon-ho directed *Memories of Murder*, arguably the best film about a serial killer. Based on the true story of South Korea's first known serial killer, the film follows incompetent local detectives and a seasoned city cop who join forces to crack the case. As they search for a suspect, they come to terms with the evil they confront and race to prevent the killer from striking again. Watch *Memories of Murder* on Tubi.

      **No Way Out (1987)**

      *No Way Out*, featuring Kevin Costner at the peak of his career, tells the story of a young Navy lieutenant caught in a passionate affair. When the woman he loved is found dead, he fears he may be implicated in her murder. Both Costner and Sean Young give strong performances, but Gene Hackman steals the show. You can see *No Way Out* on Tubi.

      **In the Heat of the Night (1967)**

      *A powerful detective story that also addresses themes of race, *In the Heat of the Night* follows a Black detective from Philadelphia partnering with a local police chief to solve a murder in a small Georgia town. The film delves into the chief's underlying racism and the complicated relationship between the two men. Sidney Poitier delivers a remarkable performance as Virgil Tibbs, and the film effectively conveys that racism can manifest in various, often subtle, forms. Winner of the Best Picture Oscar in 1968, it remains relevant today. Watch it on Tubi.

      **Charade (1963)**

      A classic mystery caper, *Charade* features an intricate plot that can be quite complex. The film stars Audrey Hepburn as a woman who falls for a man during a skiing trip—none other than Cary Grant! Upon reuniting in Paris, she discovers her estranged husband has been murdered and that he concealed a fortune after World War II. As alliances shift, the race for the hidden money evolves amid comedic twists. You can watch *Charade* on Tubi.

      **Lake Mungo (2008)**

      Presented as a faux-documentary, *Lake Mungo* narrates a family's experience following their daughter’s suspicious drowning. They hire a parapsychologist, revealing the hidden life of their daughter and how her presence still looms over them. The film combines ghost story elements with unexpected twists as the family grapples with grief and questions if they are truly haunted. You can view *Lake Mungo* on Tubi.

      **The Lost City of Z (2016)**

      *The Lost City of Z* recounts the true story of Percy Fawcett, a 20th-century explorer who made significant discoveries in the Amazon. As he ventures deeper into the jungle, he becomes obsessed with the belief that the natives once had an advanced civilization. Starring Charlie Hunnam as Fawcett, the film is an expansive tale of one man determined to uncover an ancient mystery, even at the cost of his life. You can watch it on FreeVee.

      **Donnie Darko (2001)**