Stream Sci-Fi TV Shows 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 3,466

Stream The Walking Dead Online

The Walking Dead

2010TV Show

85/100

Drama Horror Sci-Fi

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.

Andrew Lincoln Norman Reedus Melissa McBride

Watch NowAvailable to stream on Now TVAvailable to stream on Amazon Prime
Stream Lost Online

Lost

2004TV Show

84/100

Adventure Drama Fantasy

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

Jorge Garcia Josh Holloway Yunjin Kim

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Stream Stranger Things Online

Stranger Things

2016TV Show

89/100

Drama Fantasy Horror

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

Millie Bobby Brown Finn Wolfhard Winona Ryder

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Stream Arrow Online

Arrow

2012TV Show

78/100

Action Adventure Crime

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.

Stephen Amell Katie Cassidy David Ramsey

Watch NowAvailable to stream on Now TVAvailable to stream on Amazon Prime
Stream Daredevil Online

Daredevil

2015TV Show

87/100

Action Crime Drama

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

Charlie Cox Vincent D'Onofrio Deborah Ann Woll

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Stream The Flash Online

The Flash

2014TV Show

81/100

Action Adventure Drama

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.

Grant Gustin Candice Patton Danielle Panabaker

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Stream Westworld Online

Westworld

2016TV Show

90/100

Drama Mystery Sci-Fi

Set at the intersection of the near future and the reimagined past, explore a world in which every human appetite, no matter how noble or depraved, can be indulged without consequence.

Evan Rachel Wood Jeffrey Wright Ed Harris

Watch NowAvailable to stream on Now TV
Stream Firefly Online

Firefly

2002TV Show

91/100

Adventure Drama Sci-Fi

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.

Nathan Fillion Gina Torres Alan Tudyk

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Stream Fringe Online

Fringe

2008TV Show

84/100

Drama Mystery Sci-Fi

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.

Anna Torv Joshua Jackson John Noble

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Stream Futurama Online

Futurama

1999TV Show

85/100

Animation Comedy Romance

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

Billy West John DiMaggio Katey Sagal

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Stream Rick and Morty Online

Rick and Morty

2013TV Show

94/100

Adventure Animation Comedy

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

Chris Parnell Spencer Grammer Sarah Chalke

Watch NowAvailable to stream on Now TV
Stream The X-Files Online

The X-Files

1993TV Show

87/100

Drama Mystery Sci-Fi

Two FBI agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.

David Duchovny Gillian Anderson Mitch Pileggi

Watch NowAvailable to stream on Amazon Prime
Stream Doctor Who Online

Doctor Who

2005TV Show

87/100

Adventure Drama Family

The further adventures of the time travelling alien adventurer, a Time Lord/Lady known as the Doctor who can change appearance and gender, and his/her companions.

Peter Capaldi Jenna Coleman Matt Smith

Watch NowAvailable to stream on Amazon Prime
Stream Gotham Online

Gotham

2014TV Show

79/100

Action Crime Drama

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

Ben McKenzie Jada Pinkett Smith Donal Logue

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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

Action Drama Sci-Fi

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

Clark Gregg Ming-Na Wen Brett Dalton

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Stream Black Mirror Online

Black Mirror

2011TV Show

89/100

Drama Sci-Fi Thriller

A television anthology series that shows the dark side of life and technology.

Hannah John-Kamen Michaela Coel Beatrice Robertson-Jones

Watch NowAvailable to stream on Amazon Prime
Stream Person of Interest Online

Person of Interest

2011TV Show

85/100

Action Crime Drama

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.

Jim Caviezel Taraji P. Henson Kevin Chapman

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Stream The 100 Online

The 100

2014TV Show

78/100

Drama Mystery Sci-Fi

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.

Eliza Taylor Bob Morley Marie Avgeropoulos

Watch NowAvailable to stream on Amazon Prime
Stream Jessica Jones Online

Jessica Jones

2015TV Show

82/100

Action Crime Drama

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.

Krysten Ritter David Tennant Rachael Taylor

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Stream Battlestar Galactica Online

Battlestar Galactica

2004TV Show

87/100

Action Adventure Drama

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.

Edward James Olmos Mary McDonnell Jamie Bamber

Watch NowAvailable to stream on Amazon Prime
Stream Smallville Online

Smallville

2001TV Show

75/100

Adventure Drama Romance

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.

Tom Welling Michael Rosenbaum Allison Mack

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Stream Sense8 Online

Sense8

2015TV Show

84/100

Drama Mystery Sci-Fi

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.

Doona Bae Jamie Clayton Tina Desai

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Stream Under the Dome Online

Under the Dome

2013TV Show

67/100

Drama Mystery Sci-Fi

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.

Mike Vogel Rachelle Lefevre Alexander Koch

Watch NowAvailable to stream on Amazon Prime
Stream Dragonball Z Online

Dragonball Z

1996TV Show

88/100

Action Adventure Animation

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.

Doc Harris Christopher Sabat Scott McNeil

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Stream Fear the Walking Dead Online

Fear the Walking Dead

2015TV Show

70/100

Drama Horror Sci-Fi

A Walking Dead spin-off, set in Los Angeles, following two families who must band together to survive the undead apocalypse.

Kim Dickens Frank Dillane Cliff Curtis

Watch NowAvailable to stream on Amazon Prime
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