Top Rated Science Fiction Movies on The Roku Channel - Page 29

Merlin: The Return

2000

Merlin: The Return

2000
5.1
When Merlin cast a positive spell to protect the knights of the Round Table, he used ancient magic drawing on the power of Stonehenge, and the knights were put into a sort of suspended animation. The evil Morgana and her son Mordred were banished into another world for 1500 years, but a 20th-century scientist finds a gateway, and the dark lord has a vicious scheme to enslave King Arthur's world.
Neverknock

2017

Neverknock

2017
4.7
In 1986, three teens were brutally murdered after knocking on the door of 59 Oakwood Lane. The killer was never found. Over the next forty years, rumors turned to legend, and while few will admit to believing the stories, kids are still warned never knock on the door of 59 Oakwood Lane for fear of what may answer. On this Halloween night, Grace and her friends are going to wish they’d heeded the warnings and never knocked…
The Giant Gila Monster

1959

The Giant Gila Monster

1959
4.2
A small town in Texas finds itself under attack from a hungry, fifty-foot-long gila monster. No longer content to forage in the desert, the giant lizard begins chomping on motorists and train passengers before descending upon the town itself. Only Chase Winstead, a quick-thinking mechanic, can save the town from being wiped out.
Infinitum: Subject Unknown

2021

Infinitum: Subject Unknown

2021
5.4
Jane is the subject of a twisted science experiment where she is placed in a parallel world and is forced to find a way to either alter her reality or be stuck in a time-loop, destined to repeat the same test over and over again, with no memory of her doing it before. But with each 'reset' she starts to retain fragments of memory. With clues pointing to the mysterious Wytness Quantum Research Centre, she tries to find a way out. (The film was shot entirely on an iPhone during the UK’s first lockdown.)
Holocaust 2000

1977

Holocaust 2000

1977
5.8
An executive in charge of a nuclear power plant in the Mid-East must stop his son-- who turns out to be the Anti Christ -- from blowing it up.
Spiders II: Breeding Ground

2001

Spiders II: Breeding Ground

2001
4.6
Happy couple Jason and Alexandra lose their sail yacht in a storm and are grateful to get picked up by Captain Jim Bigelow's commercial carrier. Suspicious about the ship's doctor and realizing the ship is improbably empty and the radio not broken as the crew claims, Jason starts snooping around. Bodies on meat-hooks, genetic experimentation and giant spiders are what he finds.
First Man into Space

1959

First Man into Space

1959
4.9
The first pilot to leave Earth's atmosphere lands, then vanishes; but something with a craving for blood prowls the countryside...
The Gateway

2018

The Gateway

2018
5.5
A particle physicist grieving over the loss of her husband in a car crash uses a revolutionary machine to bring him back, with dire consequences for her family.
5th Passenger

2018

5th Passenger

2018
4.3
Set in the aftermath of an oppressive class war, a pregnant officer aboard an escape pod must struggle to survive with her remaining crew when a mysterious and vicious life form attacks, determined to become the dominant species.
Night of the Blood Beast

1958

Night of the Blood Beast

1958
3.7
An astronaut returns to Earth as the no-pulse host of an alien monster's embryos; he is discovered by a loony farmer who find ways to feed his new critter.
The Day Time Ended

1980

The Day Time Ended

1980
3.5
Deep in the desert, a rural American family is forced to endure a night of inter-dimensional, extra terrestrial terror when a UFO appears over their home.
Sea Beast

2008

Sea Beast

2008
4.4
In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.
The Land That Time Forgot

2009

The Land That Time Forgot

2009
3.7
Shipwrecked castaways stumble upon the mysterious island of Caprona in the Bermuda Triangle, confronting man-eating dinosaurs and a stranded German U-Boat crew while trying to escape.
Control

2022

Control

2022
5.3
A young mother awakens in a mysterious cell and is forced to harness her telekinetic abilities in order to escape and save her daughter.
The Bermuda Triangle

1978

The Bermuda Triangle

1978
4
The passengers and crew of a boat on a summer cruise in the Caribbean stray into the famed Bermuda Triangle and mysterious things start happening.
Creator

1985

Creator

1985
6.1
With the help of student assistant Boris and stolen university equipment, Dr. Harry Wolper plans to clone his dead wife. But then he meets Meli, an egg donor for his experiment, and they fall in love. Faced with choosing between his deceased wife and Meli, Dr. Wolper sees his situation in a new light when Boris' own new love, Barbara, falls into a coma. Meanwhile, another professor tries shutting down the cloning project.
Yor, the Hunter from the Future

1983

Yor, the Hunter from the Future

1983
4.3
In prehistoric times, the muscular Yor saves his cave-babe from a dinosaur just before they get zapped into the future to battle bad guys in the familiar desolate wasteland.
Monster on the Campus

1958

Monster on the Campus

1958
6
A college paleontology professor acquires a newly discovered specimen of a coelacanth, but while examining it, he is accidentally exposed to its blood, and finds himself periodically turning into a murderous Neanderthal man.
A.I. Assault

2006

A.I. Assault

2006
5.2
When a plane carrying a pair of top secret military robots crashes on a deserted Pacific island, a team of Navy seals must find them and turn them off as soon as possible for the longer they are activated, the smarter they become.
Indestructible Man

1956

Indestructible Man

1956
4.2
A scientific experiment involving subjecting a corpse to an extreme charge of electricity accidentally revives an executed criminal and makes him impervious to harm, allowing him to seek revenge on his former partners, and deal similarly with anyone else who gets in his way.