Popular Mystery TV Series on Free Services

Law & Order: Special Victims Unit

1999

Law & Order: Special Victims Unit

1999
8
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.
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?
Elsbeth

2024

Elsbeth

2024
6.8
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.
High Potential

2024

High Potential

2024
8.2
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 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.
Dark Winds

2022

Dark Winds

2022
7.4
This psychological thriller follows two Navajo police officers, Leaphorn and Chee, in the 1970s Southwest as their search for clues in a grisly double murder case forces them to challenge their own spiritual beliefs and come to terms with the trauma of their pasts.
Ancient Aliens

2010

Ancient Aliens

2010
7.1
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.
Damages

2007

Damages

2007
7.4
Damages is an American legal thriller television series created by the writing and production trio of Daniel Zelman and brothers Glenn and Todd A. Kessler. The plot revolves around the brilliant, ruthless lawyer Patty Hewes and her protégée, recent law school graduate Ellen Parsons. Each season features a major case that Hewes and her firm take on, while also examining a chapter of the complicated relationship between Ellen and Patty. The first two seasons center around the law firm Hewes & Associates. Later seasons center more on Patty and Ellen's relationship as Ellen begins to distance herself from Hewes & Associates and begins an independent career.
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.
Ultraman

1966

Ultraman

1966
8.4
Hayata is a member of the Science Patrol, an organization tasked with investigating bizarre anomalies. He is mortally wounded when accidently encountering an alien being from Land of Light, who grants Hayata new life as the two are merged into one. Now, whenever a threat arises that is too great for the Science Patrol to handle, Hayata activates the beta capsule and becomes the hero known as Ultraman.
Sherlock

2010

Sherlock

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

1987

21 Jump Street

1987
7.3
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.
The Curse of Oak Island

2014

The Curse of Oak Island

2014
7.2
Follow brothers Marty and Rick Lagina through their effort to find the speculated - and as of yet undiscovered - buried treasure believed to have been concealed through extraordinary means on Oak Island.
Father Matteo

2000

Father Matteo

2000
6.3
Don Matteo is a thoroughly ordinary Catholic priest with an extraordinary ability to read people and solve crimes. He’s a parish priest who never met an unjustly accused person he didn’t want to help.
Haven

2010

Haven

2010
7.5
FBI agent Audrey Parker arrives in the small town of Haven, Maine to solve a murder and soon discovers the town's many secrets—which also hold the key to unlocking the mysteries of her lost past.