Popular Mystery TV Series 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.
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.
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.
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.
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.
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.
Veronica Mars

2004

Veronica Mars

2004
7.8
In the fictional town of Neptune, California, student Veronica Mars progresses from high school to college while moonlighting as a private investigator under the tutelage of her detective father.
Sherlock

2010

Sherlock

2010
8.5
A modern update finds the famous sleuth and his doctor partner solving crime in 21st century London.
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!
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.
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.
Agatha Christie's Marple

2004

Agatha Christie's Marple

2004
7.8
The adventures of Miss Jane Marple, an elderly spinster living in the quiet little village of St Mary Mead. During her many visits to friends and relatives in other villages, Miss Marple often stumbles upon mysterious murders which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over.
City Hunter

1987

City Hunter

1987
7.9
Ryo Saeba works the streets of Tokyo as the City Hunter. He's a "sweeper" and with his sidekick Kaori Makimura, he keeps the city clean. People hire the City Hunter to solve their dangerous problems, which he does with a Colt Python. When Ryo's not working on a case, he's working on getting the ladies, and Kaori must keep him in check with her trusty 10 kg hammer.
Z Nation

2014

Z Nation

2014
7.3
Three years after the zombie virus has gutted the country, a team of everyday heroes must transport the only known survivor of the plague from New York to California, where the last functioning viral lab waits for his blood.
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?
The Night Manager

2016

The Night Manager

2016
7.7
Former British soldier Jonathan Pine navigates the shadowy recesses of Whitehall and Washington where an unholy alliance operates between the intelligence community and the secret arms trade. To infiltrate the inner circle of lethal arms dealer Richard Onslow Roper, Pine must himself become a criminal.
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.
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.
The Last Thing He Told Me

2023

The Last Thing He Told Me

2023
7
A woman must forge a relationship with her teenage stepdaughter in order to find her husband, who has mysteriously disappeared.
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.