Hidden gems
Underrated mystery shows
Great mystery series that flew under the radar — high ratings, smaller audience, ranked so the best-kept secrets come first.
Gravity Falls
Ripper Street
The Alfred Hitchcock Hour
Over the Garden Wall
Mystery Island
See No Evil
Dragnet
Gortimer Gibbon's Life on Normal Street
Messiah
Beyond Belief: Fact or Fiction
Modern Marvels
White Christmas
God's Gift: 14 Days
America's Book of Secrets
In Search of.....
Hill Street Blues
El Internado
The Booth at the End
The Prisoner
Prime Suspect
The Bletchley Circle
Astrid et Raphaëlle
Moonlighting
Janet King
Jesse Stone
Cannon
Forbrydelsen
Ancient Discoveries
The Hardy Boys/Nancy Drew Mysteries
Zen
XIII: The Conspiracy
Sapphire and Steel
Lost Treasures of Egypt
Secrets of the Lost
Through the Wormhole
A Haunting
Ófærð
Psychoville
Jack Taylor
Friendly Rivalry
Underrated shows by genre
Good to know
What makes a TV show underrated?
These are series rated 7.8 or higher by viewers but parked well outside the most-watched tier — genuinely good mystery shows that never got the audience they deserved.
Are these mystery shows actually worth watching?
Every title here clears a 7.8+ rating, so the score is real — just under the radar. Top of the list: Gravity Falls, Ripper Street, The Alfred Hitchcock Hour.
Where can I stream these hidden gems?
Every series links to its page with live streaming availability for your country.