Watch Mystery TV Shows Free Online

Take a quick look at our list of the top-rated Mystery TV Shows and find out exactly where you can watch them online tonight.

Click on a title to see which websites allow you to watch to instantly.

Showing results: 1-25 of 2,810

Stream Sherlock Online

Sherlock

2010TV Show

92/100

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

Watch Now
Stream Dexter Online

Dexter

2006TV Show

87/100

By day, mild-mannered Dexter is a blood-spatter analyst for the Miami police. But at night, he is a serial killer who only targets other murderers.

Watch Now
Stream Stranger Things Online

Stranger Things

2016TV Show

89/100

When a young boy disappears, his mother, a police chief, and his friends, must confront terrifying forces in order to get him back.

Watch Now
Stream Lost Online

Lost

2004TV Show

84/100

The survivors of a plane crash are forced to work together in order to survive on a seemingly deserted tropical island.

Watch Now
Stream Prison Break Online

Prison Break

2005TV Show

84/100

Due to a political conspiracy, an innocent man is sent to death row and his only hope is his brother, who makes it his mission to deliberately get himself sent to the same prison in order to break the both of them out, from the inside.

Watch Now
Stream True Detective Online

True Detective

2014TV Show

90/100

Seasonal anthology series in which police investigations unearth the personal and professional secrets of those involved, both within and outside the law.

Watch Now
Stream Arrow Online

Arrow

2012TV Show

77/100

Spoiled billionaire playboy Oliver Queen is missing and presumed dead when his yacht is lost at sea. He returns five years later a changed man, determined to clean up the city as a hooded vigilante armed with a bow.

Watch Now
Stream House Online

House

2004TV Show

88/100

An antisocial maverick doctor who specializes in diagnostic medicine does whatever it takes to solve puzzling cases that come his way using his crack team of doctors and his wits.

Watch Now
Stream Supernatural Online

Supernatural

2005TV Show

85/100

Two brothers follow their father's footsteps as "hunters", fighting evil supernatural beings of many kinds, including monsters, demons, and gods that roam the earth.

Watch Now
Stream Westworld Online

Westworld

2016TV Show

89/100

Set at the intersection of the near future and the reimagined past, explore a world in which every human appetite can be indulged without consequence.

Watch Now
Stream Homeland Online

Homeland

2011TV Show

84/100

A bipolar CIA operative becomes convinced a prisoner of war has been turned by al-Qaeda and is planning to carry out a terrorist attack on American soil.

Watch Now
Stream The Vampire Diaries Online

The Vampire Diaries

2009TV Show

78/100

A young teen struggles to make a decision between two vampire brothers and their supernatural lives. Soon after she discovers the truth her whole world turns upside down.

Watch Now
Stream True Blood Online

True Blood

2008TV Show

79/100

Telepathic waitress Sookie Stackhouse encounters a strange new supernatural world when she meets the mysterious Bill, a southern Louisiana gentleman and vampire.

Watch Now
Stream Fringe Online

Fringe

2008TV Show

84/100

An F.B.I. agent is forced to work with an institutionalized scientist and his son in order to rationalize a brewing storm of unexplained phenomena.

Watch Now
Stream Hannibal Online

Hannibal

2013TV Show

86/100

Explores the early relationship between the renowned psychiatrist and his patient, a young FBI criminal profiler, who is haunted by his ability to empathize with serial killers.

Watch Now
Stream 13 Reasons Why Online

13 Reasons Why

2017TV Show

81/100

Follows teenager Clay Jensen, in his quest to uncover the story behind his classmate and crush, Hannah, and her decision to end her life.

Watch Now
Stream Gotham Online

Gotham

2014TV Show

79/100

The story behind Detective James Gordon's rise to prominence in Gotham City in the years before Batman's arrival.

Watch Now
Stream The X-Files Online

The X-Files

1993TV Show

87/100

Two F.B.I. Agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.

Watch Now
Stream Doctor Who Online

Doctor Who

2005TV Show

87/100

The further adventures in time and space of the alien adventurer known as the Doctor, a Time Lord/Lady who can change appearance and gender by regenerating when near death, and their human companions.

Watch Now
Stream Avatar: The Last Airbender Online

Avatar: The Last Airbender

2003TV Show

92/100

In a war-torn world of elemental magic, a young boy reawakens to undertake a dangerous mystic quest to fulfill his destiny as the Avatar, and bring peace to the world.

Watch Now
Stream Death Note Online

Death Note

2006TV Show

90/100

An intelligent high school student goes on a secret crusade to eliminate criminals from the world after discovering a notebook capable of killing anyone whose name is written into it.

Watch Now
Stream 24 Online

24

2001TV Show

84/100

Jack Bauer, Director of Field Ops for the Counter-Terrorist Unit of Los Angeles, races against the clock to subvert terrorist plots and save his nation from ultimate disaster.

Watch Now
Stream The 100 Online

The 100

2014TV Show

78/100

Set ninety-seven years after a nuclear war has destroyed civilization, when a spaceship housing humanity's lone survivors sends one hundred juvenile delinquents back to Earth, in hopes of possibly re-populating the planet.

Watch Now
Stream Person of Interest Online

Person of Interest

2011TV Show

84/100

An ex-assassin and a wealthy programmer save lives via a surveillance AI that sends them the identities of civilians involved in impending crimes. However, the details of the crimes--including the civilians' roles--are left a mystery.

Watch Now
Stream The Mentalist Online

The Mentalist

2008TV Show

81/100

A famous "psychic" outs himself as a fake, and starts working as a consultant for the California Bureau of Investigation so he can find "Red John", the madman who killed his wife and daughter.

Watch Now
Visit Website