Top Rated Science Fiction Movies on The Roku Channel - Page 20

Gorgo

1961

Gorgo

1961
5.3
Greedy sailors capture a giant lizard off the coast of Ireland and sell it to a London circus. Then its mother shows up.
Laserblast

1978

Laserblast

1978
3.2
Happy go-lucky teen Billy Duncan discovers an otherworldly laser gun in the southern California desert, making him the target of a pair of aliens who had recently executed its previous owner.
Knight Rider 2000

1991

Knight Rider 2000

1991
5.5
In the future, guns are banned and criminals are frozen for the duration of their sentences. A recent spate of killings involving handguns brings Michael Knight back to fight for justice, but he insists of the help of KITT, his artificially-intelligent car from decades ago. The only problem is that KITT has been deactivated.
Dark Cloud

2022

Dark Cloud

2022
5.7
Following the aftermath of a horrific accident, a woman is voluntarily subjected to artificial intelligence for rehabilitation.
Shockwave: Countdown to Disaster

2017

Shockwave: Countdown to Disaster

2017
5.6
A stolen seismic weapon is activated in Yemen. A hostage freed there tries in vain to warn against its global effect. It starts seismic activity at the Californian fault line where her daughter and ex are monitoring it. Can they stop it?
Reset

2017

Reset

2017
7
In 2025, a scientist on the verge of making a major discovery related to time travel is suddenly put in peril when a rival kidnaps her young son and demands a hefty ransom: her entire research.
The Fare

2018

The Fare

2018
6.5
Harris and Penny, a cab driver and his fare, engage in flirtatious banter during their brief ride on a desolate road…until Penny abruptly vanishes from the back seat, leaving Harris mystified.
The Adventures of Mark Twain

1985

The Adventures of Mark Twain

1985
6.8
Based on elements from the stories of Mark Twain, this feature-length Claymation fantasy follows the adventures of Tom Sawyer, Becky Thatcher and Huck Finn as they stowaway aboard the interplanetary balloon of Mark Twain. Twain, disgusted with the human race, is intent upon finding Halley's Comet and crashing into it, achieving his "destiny." It's up to Tom, Becky, and Huck to convince him that his judgment is wrong and that he still has much to offer humanity that might make a difference. Their efforts aren't just charitable; if they fail, they will share Twain's fate. Along the way, they use a magical time portal to get a detailed overview of the Twain philosophy, observing the "historical" events that inspired his works.
Scream and Scream Again

1970

Scream and Scream Again

1970
5.3
A serial killer who drains his victims for blood is on the loose and London police follow him to a house owned by an eccentric scientist.
Cosmos

2019

Cosmos

2019
6
Three astronomers accidentally intercept what they believe to be a signal from a distant alien civilization, but the truth is even more incredible than any of them could have imagined.
G.I. Joe: The Movie

1987

G.I. Joe: The Movie

1987
6.5
G.I. Joe faces a new enemy as an ancient society of snake people known as Cobra-La try to forcefully take back the earth from those who drove them underground eons ago.
Meteor

2021

Meteor

2021
5.4
After a meteor collides into Earth, a lonely rancher and a lost young girl are on the run from vicious mercenaries.
Reptilicus

1961

Reptilicus

1961
3.6
A portion of the tail of a prehistoric reptile is discovered in Denmark. It regenerates into the entire reptile, which proceeds to destroy buildings and property and generally make a nuisance of itself. It can fly, swim, and walk, and has impenetrable scales, which makes it difficult to kill.
Beyond White Space

2018

Beyond White Space

2018
4.8
When a deep space fishing vessel is robbed by a gang of pirates, the Captain makes a daring decision to go after a rare and nearly extinct species. His obsession propels them further into space as the crew spins toward mutiny and betrayal.
Turkey Shoot

1982

Turkey Shoot

1982
5.4
In the near future, after an unspecified holocaust, survivors are herded into prison camps. There, they are hunted for sport by the leaders of the camp. Paul, one of the newest prisoners, is determined not to go down as quietly as the others.
Gamera vs. Guiron

1969

Gamera vs. Guiron

1969
5.3
Two young boys sneak aboard a spaceship and find themselves whisked away to the mysterious planet Terra. There, they encounter Gamera's old foe Gyaos and two female aliens with a taste for human brains. Gamera must save the children and battle the new monster Guiron, whose entire body is a deadly living weapon.
Special

2006

Special

2006
6.3
A lonely metermaid has a psychotic reaction to his medication and becomes convinced he's a superhero. A very select group of people in life are truly gifted. Special is a movie about everyone else.
Back to Gaya

2004

Back to Gaya

2004
5.3
The beautiful world of Gaya is home to two similar humanoid species: Zeldons who are the furry majority residents, and Snurks, who are goblin-like outcasts. But suddenly all Gayans are facing imminent danger when a magic stone which protects their world, "the Dalamite", is beamed away by a mysterious force. Three Snurks immediately go after it, hoping to be the heroes for once. They are shortly followed by some standout Zeldons: Zino the trouble-prone popular guy & his sidekick, clever but somewhat cowardly inventor Boo, as well as rebel princess Alanta. Their journey ends up leading them all on a dangerous interdimensional quest to find the stone, while they must also figure out a way to get back to Gaya.
Invasion: Planet Earth

2019

Invasion: Planet Earth

2019
5.3
On the same day that Tom Dunn finds out that he is to become a father again, the people of Earth become plagued with terrifying visions of the end of the world. When a gigantic, all-consuming alien mothership launches a ruthless attack, chaos and destruction follow. The ultimate war for Planet Earth is about to begin...
Valentine

2017

Valentine

2017
5.6
A cafe waitress with dreams of stardom becomes an unexpected vigilante, fighting to save Batavia City from rampant crime.