Watch Sci-Fi TV Shows Free Online

Take a quick look at our list of the top-rated Sci-Fi 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 3,933

Stream The Walking Dead Online

The Walking Dead

2010TV Show

84/100

Sheriff Deputy Rick Grimes wakes up from a coma to learn the world is in ruins, and must lead a group of survivors to stay alive.

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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.

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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.

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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.

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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.

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Stream Daredevil Online

Daredevil

2015TV Show

87/100

Matt Murdock, with his other senses superhumanly enhanced, fights crime as a blind lawyer by day, and vigilante by night.

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Stream The Flash Online

The Flash

2014TV Show

80/100

After being struck by lightning, Barry Allen wakes up from his coma to discover he's been given the power of super speed, becoming the Flash, fighting crime in Central City.

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Stream Black Mirror Online

Black Mirror

2011TV Show

89/100

An anthology series exploring a twisted, high-tech world where humanity's greatest innovations and darkest instincts collide.

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Stream Rick and Morty Online

Rick and Morty

2013TV Show

93/100

An animated series that follows the exploits of a super scientist and his not-so-bright grandson.

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Stream Firefly Online

Firefly

2002TV Show

90/100

Five hundred years in the future, a renegade crew aboard a small spacecraft tries to survive as they travel the unknown parts of the galaxy and evade warring factions as well as authority agents out to get them.

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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.

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Stream Futurama Online

Futurama

1999TV Show

85/100

Fry, a pizza guy, is accidentally frozen in 1999 and thawed out New Year's Eve 2999.

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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.

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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.

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Stream Agents of S.H.I.E.L.D. Online

Agents of S.H.I.E.L.D.

2013TV Show

75/100

The missions of the Strategic Homeland Intervention, Enforcement and Logistics Division.

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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.

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Stream Jessica Jones Online

Jessica Jones

2015TV Show

81/100

Following the tragic end of her brief superhero career, Jessica Jones tries to rebuild her life as a private investigator, dealing with cases involving people with remarkable abilities in New York City.

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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.

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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.

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Stream Battlestar Galactica Online

Battlestar Galactica

2004TV Show

87/100

When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protect a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony, Earth.

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Stream Sense8 Online

Sense8

2015TV Show

84/100

A group of people around the world are suddenly linked mentally, and must find a way to survive being hunted by those who see them as a threat to the world's order.

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Stream The Punisher Online

The Punisher

2017TV Show

87/100

After the murder of his family, Marine veteran Frank Castle became a vigilante known as "The Punisher" with only one goal in mind, to avenge them.

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Stream Smallville Online

Smallville

2001TV Show

75/100

A young Clark Kent struggles to find his place in the world as he learns to harness his alien powers for good and deals with the typical troubles of teenage life in Smallville, Kansas.

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Stream Dragonball Z Online

Dragonball Z

1996TV Show

87/100

After learning that he is from another planet, a warrior named Goku and his friends are prompted to defend it from an onslaught of extraterrestrial enemies.

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Stream Under the Dome Online

Under the Dome

2013TV Show

67/100

An invisible and mysterious force field descends upon a small actual town of Chester's Mill, Maine, USA, trapping residents inside, cut off from the rest of civilization. The trapped townspeople must discover the secrets and purpose of the "dome" or "sphere" and its origins, while coming to learn more than they ever knew about each other and animals too.

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