Murdoch Mysteries is a Canadian television series set in Toronto in the late 19th and early 20th centuries. The show follows Detective William Murdoch of the Toronto Constabulary as he solves various crimes using innovative investigative techniques and gadgets, such as fingerprinting and x-rays. Along with his colleagues, including his boss Inspector Brackenreid and his wife Dr. Julia Ogden, Murdoch navigates the complexities of turn-of-the-century society to solve mysteries and bring criminals to justice.

The series is based on the novels by Maureen Jennings and has been praised for its attention to historical detail, including its portrayal of social issues such as the women's suffrage movement and the treatment of Indigenous peoples. The show has also been noted for its use of real-life historical figures as characters, such as Sir Arthur Conan Doyle and Nikola Tesla. Murdoch Mysteries has been a popular and critically acclaimed show, receiving numerous award nominations and wins throughout its run.

The series has been on the air since 2008 and has had over 200 episodes as of 2021. It has a loyal fan base and has been distributed internationally, airing in countries such as the United States, United Kingdom, Australia, and France. Murdoch Mysteries has also inspired spin-off novels, a graphic novel series, and a board game.

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