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.
Star Trek: The Next Generation

1987

Star Trek: The Next Generation

1987
8.4
Follow the intergalactic adventures of Capt. Jean-Luc Picard and his loyal crew aboard the all-new USS Enterprise NCC-1701D, as they explore new worlds.
House

2004

House

2004
8.6
Dr. Gregory House, a drug-addicted, unconventional, misanthropic medical genius, leads a team of diagnosticians at the fictional Princeton–Plainsboro Teaching Hospital in New Jersey.
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.
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 Curse of Oak Island

2014

The Curse of Oak Island

2014
7.3
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.
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!
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.
Summer Camp Island

2018

Summer Camp Island

2018
7.6
Oscar and Hedgehog are dropped off at a strange summer camp, full of fantastical things ranging from magical camp counselors to sticky notes that are portals to other dimensions.
Are You Afraid of the Dark?

1992

Are You Afraid of the Dark?

1992
8.1
This spooky anthology series for kids recounts ghost stories told by the young members of the Midnight Society as they gather around a campfire. Each episode opens with members of the Midnight Society at their secret spot in the woods, where they prepare their fire and the night's storyteller announces the title of the his or her offering. However, the cameras soon leave the storyteller and switch to the tale being told.
Death in Paradise

2011

Death in Paradise

2011
7.4
A brilliant but idiosyncratic British detective and his resourceful local team solve baffling murder mysteries on the fictional Caribbean island of Saint-Marie.
Grimm

2011

Grimm

2011
8.3
After Portland homicide detective Nick Burkhardt discovers he's descended from an elite line of criminal profilers known as "Grimms," he increasingly finds his responsibilities as a detective at odds with his new responsibilities as a Grimm.
The Twilight Zone

1959

The Twilight Zone

1959
8.4
A series of unrelated stories containing drama, psychological thriller, fantasy, science fiction, suspense, and/or horror, often concluding with a macabre or unexpected twist.
Beyond Belief: Fact or Fiction

1997

Beyond Belief: Fact or Fiction

1997
7.2
Can you tell the difference between fact and fiction? Several stories of strange, mysterious and incredible occurrences are chronicled during each episode. It is up to the viewer to decide which stories actually happened and which were completely fabricated by the show’s writers. The answer is revealed by Jonathan Frakes at the conclusion of each episode.
Ancient Aliens

2010

Ancient Aliens

2010
6.9
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.
El Chapulín Colorado

1973

El Chapulín Colorado

1973
8
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.
Earth: Final Conflict

1997

Earth: Final Conflict

1997
6.7
Years ago, the Taelons came to Earth, offering friendship and technology to humanity. But there are those who believe the Taelons have more sinister motives.
Father Matteo

2000

Father Matteo

2000
6.2
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.