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.
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.
Agatha Christie's Poirot

1989

Agatha Christie's Poirot

1989
8.2
From England to Egypt, accompanied by his elegant and trustworthy sidekicks, the intelligent yet eccentrically-refined Belgian detective Hercule Poirot pits his wits against a collection of first class deceptions.
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.
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?
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.
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.
Elsbeth

2024

Elsbeth

2024
6.9
After her successful career in Chicago, Elsbeth Tascioni, an astute but unconventional attorney, utilizes her singular point of view to make unique observations and corner brilliant criminals alongside the NYPD.
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 Saint

1962

The Saint

1962
7.3
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.
Shetland

2013

Shetland

2013
7.5
Created from the novels by award winning crime writer Ann Cleeves, Shetland follows DI Jimmy Perez and his team as they investigate crime within the close knit island community. In this isolated and sometimes inhospitable environment, the team have to rely on a uniquely resourceful style of policing.
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.
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.
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.
Sherlock Holmes

1984

Sherlock Holmes

1984
8.2
Sherlock Holmes uses his abilities to take on cases by private clients and those that the Scotland Yard are unable to solve, along with his friend Dr. Watson.
21 Jump Street

1987

21 Jump Street

1987
7.2
21 Jump Street revolves around a group of young cops who would use their youthful appearance to go undercover and solve crimes involving teenagers and young adults.