Popular Mystery TV Shows on Free Services

Law & Order: Special Victims Unit

1999

Law & Order: Special Victims Unit

1999
7.9
In the criminal justice system, sexually-based offenses are considered especially heinous. In New York City, the dedicated detectives who investigate these vicious felonies are members of an elite squad known as the Special Victims Unit. These are their stories.
Lost

2004

Lost

2004
7.9
Stripped of everything, the survivors of a horrific plane crash must work together to stay alive. But the island holds many secrets.
Dexter

2006

Dexter

2006
8.2
Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.
Midsomer Murders

1997

Midsomer Murders

1997
7.5
The peacefulness of the Midsomer community is shattered by violent crimes, suspects are placed under suspicion, and it is up to a veteran DCI and his young sergeant to calmly and diligently eliminate the innocent and ruthlessly pursue the guilty.
Death in Paradise

2011

Death in Paradise

2011
7.5
A brilliant but idiosyncratic British detective and his resourceful local team solve baffling murder mysteries on the fictional Caribbean island of Saint-Marie.
Detective Conan

1996

Detective Conan

1996
8
The son of a world famous mystery writer, Jimmy Kudo, has achieved his own notoriety by assisting the local police as a student detective. He has always been able to solve the most difficult of criminal cases using his wits and power of reason.
Murdoch Mysteries

2008

Murdoch Mysteries

2008
7.7
A Victorian-era Toronto detective uses then-cutting edge forensic techniques to solve crimes, with the assistance of a female coroner who is also struggling for recognition in the face of tradition, based on the books by Maureen Jennings.
High Potential

2024

High Potential

2024
8
Morgan is a single mom with an exceptional mind, whose unconventional knack for solving crimes leads to an unusual and unstoppable partnership with a by-the-book seasoned detective.
Sin senos sí hay paraíso

2016

Sin senos sí hay paraíso

2016
7.6
A young woman born in a mafia-controlled town seeks revenge on those who wrongfully harmed and imprisoned her family.
Ancient Aliens

2010

Ancient Aliens

2010
7
Did intelligent beings from outer space visit Earth thousands of years ago? From the age of the dinosaurs to ancient Egypt, from early cave drawings to continued mass sightings in the US, each episode gives historic depth to the questions, speculations, provocative controversies, first-hand accounts and grounded theories surrounding this age old debate.
Sherlock

2010

Sherlock

2010
8.5
A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.
Moonlight

2007

Moonlight

2007
7.3
Mick St. John is a captivating, charming and immortal private investigator from Los Angeles, who defies the traditional blood-sucking norms of his vampire tendencies by using his wit and powerful supernatural abilities to help the living.
The Loud House

2016

The Loud House

2016
7.8
Welcome to the Loud House, where life can get pretty crazy. One boy, TEN girls?! Lincoln Loud wouldn’t change it for the world!
The Bridge

2011

The Bridge

2011
8.1
When a body is found on the bridge between Denmark and Sweden, right on the border, Danish inspector Martin Rohde and Swedish Saga Norén have to share jurisdiction and work together to find the killer.
Father Brown

2013

Father Brown

2013
7.6
Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.
Yellowjackets

2021

Yellowjackets

2021
7.5
This equal parts survival epic, psychological horror story and coming-of-age drama tells the saga of a team of wildly talented high school girls soccer players who become the (un)lucky survivors of a plane crash deep in the remote northern wilderness. The series chronicles their descent from a complicated but thriving team to savage clans, while also tracking the lives they’ve attempted to piece back together nearly 25 years later.
Death Note

2006

Death Note

2006
8.6
Light Yagami is an ace student with great prospects—and he’s bored out of his mind. But all that changes when he finds the Death Note, a notebook dropped by a rogue Shinigami death god. Any human whose name is written in the notebook dies, and Light has vowed to use the power of the Death Note to rid the world of evil. But will Light succeed in his noble goal, or will the Death Note turn him into the very thing he fights against?
Murders in...

2013

Murders in...

2013
7.3
Murders in... is a collection of French-Belgian police TV movies taking place each time in a different French city and region.
The Saint

1962

The Saint

1962
7.4
Simon Templar is The Saint, a handsome, sophisticated, debonair, modern-day Robin Hood who recovers ill-gotten wealth and redistributes it to those in need.
The Brokenwood Mysteries

2014

The Brokenwood Mysteries

2014
7.6
In a seemingly quiet country town the newest resident, Detective Inspector Mike Shepherd, finds that murder lurks in even the most homely location.