Best Mystery shows on The Roku Channel
Mystery series streaming on The Roku Channel, ranked by audience engagement. Click any title for similar shows, cast overlap, and where else to watch.
The Roku Channel maintains a wide spread of mystery programming ranging from high-stakes forensics to rural English investigations. Current offerings include the clinical procedural approach of CSI: NY and Dexter alongside the classic investigative temperament of Agatha Christie's Poirot and Midsomer Murders. Newer additions like Harry Wild, Blind, Nine Bodies in a Mexican Morgue, and Idol I round out the selection with contemporary storytelling and international suspense.
Titles are displayed here to help narrow the search by tone and setting rather than just popularity. Clicking a specific series links directly to that show page where episodes, episode lengths, and basic descriptions are available.
Dexter
CSI: NY
Agatha Christie's Poirot
Midsomer Murders
Harry Wild
Blind
Nine Bodies in a Mexican Morgue
The Teacher
Idol I
