On August 3, 2016, Fox cancelled the series after one season. 
Harry Houdini is a skeptic who doesn't believe anything unless he can see it himself. Dr. Arthur Conan Doyle is a believer who wants to prove that the supernatural is real. The drama opens in 1901 London, shortly after the publication of Doyle's The Great Boer War. Houdini and Doyle become involved in the investigation of several mysterious deaths. They argue over whether the causes are natural or supernatural, and often wager on the cause, which causes their police liaison, Constable Adelaide Stratton, some embarrassment.
- Michael Weston as Harry Houdini
- Stephen Mangan as Arthur Conan Doyle
- Rebecca Liddiard as Adelaide Stratton
- Emily Carey as Mary Conan Doyle
- Noah Jupe as Kingsley Conan Doyle
- Tim McInnerny as Horace Merring
- Adam Nagaitis as George Gudgett
- Diana Quick as Cecelia Weiss
External scenes were filmed in Liverpool city centre. The series was filmed on two stages at The Space Project in Manchester.
The series premiered on ITV in the United Kingdom 13 March 2016. It premiered on 2 May 2016, on Global in Canada and Fox in the United States. Now TV became the Online Streaming Network for the series on 24 June 2015.