Sci-fi on The Roku Channel: what is worth streaming right now (free with ads)

76 sci-fi titles on The Roku Channel (free with ads) at our last check, ranked by quality and fame, each with scare, gore and violence tags.

1. 1Death Note (2006) · seriesMildly scary · light gore · emotionally devastating · measured · TV-14A brilliant student uses a supernatural notebook to purge evil, leading to a gritty, darkly-comic game of cat and mouse.Netflix · Prime Video · Hulu
2. 2Naruto (2002) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-PGAn earnest young ninja pursues his epic dream of leadership, facing measured challenges with wholesome humor.Netflix · Prime Video · Hulu
3. 3Hunter x Hunter (2011) · seriesMildly scary · graphic gore · brutal violence · emotionally heavy · TV-14A determined young boy embarks on an epic, brisk adventure to find his father and become a legendary Hunter.Netflix · Prime Video · Hulu
4. 4InuYasha (2000) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-14An epic adventure unfolds as a modern girl is transported to feudal Japan, battling demons and discovering romance.Netflix · Prime Video · Hulu
5. 5Outlander (2014) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-MAA 1940s nurse is swept to 1743 Scotland, igniting a passionate, dangerous romance across centuries.Netflix · Starz · The Roku Channel
6. 6Ex Machina (2015)Mildly scary · light gore · emotionally heavy · measured · RA young programmer uncovers unsettling truths while testing the sentience of a reclusive CEO's AI creation.Hulu · The Roku Channel
7. 7Metropolis (1927)Mildly scary · strong violence · emotionally heavy · measured · NRA bleak, surreal, and epic drama unfolds in a futuristic city sharply divided by class.Kanopy · The Roku Channel · Pluto TV
8. 8Mr. Nobody (2009)No gore · emotionally heavy · measured · RA man's life unfolds in multiple realities, a dreamlike journey through love, loss, and profound choices.Hulu · Kanopy · Hoopla
9. 9Everything Everywhere All at Once (2022)Mildly scary · light gore · strong violence · emotionally devastating · RAn aging immigrant discovers multiverse-spanning powers, battling absurd threats to protect her family and everything she cherishes.Hulu · The Roku Channel87
10. 10Slugterra (2012) · seriesNo gore · brisk · TV-Y7A teen hero enters a secret subterranean world, embracing his destiny with brisk, wholesome, animated action.Prime Video · Hoopla · The Roku Channel
11. 11Ghost Whisperer (2005) · seriesMildly scary · emotionally heavy · measured · TV-PGA newlywed helps restless spirits find peace, navigating heartfelt messages and intense, confusing conflicts.Prime Video · The Roku Channel
12. 12My Little Pony: Friendship Is Magic (2010) · seriesNo gore · measured · TV-YUnicorns and their pals journey through an enchanted land, learning wholesome lessons in a cozy, measured pace.Netflix · Prime Video · Hoopla
13. 13Predestination (2014)Mildly scary · light gore · strong violence · emotionally heavy · RA temporal agent's final mission to prevent a devastating attack becomes a cerebral, pulpy chase through time.The Roku Channel
14. 14Source Code (2011)Mildly scary · light gore · strong violence · emotionally heavy · PG-13A soldier repeatedly relives a train explosion, racing against time to find a bomber and alter fate.Kanopy · The Roku Channel · YouTube (free)
15. 15Pucca (2006) · seriesNo gore · brisk · TV-Y7A whirlwind of absurd adventures unfolds as a lovesick girl chases her ninja crush through a quirky village.Prime Video · The Roku Channel · Tubi
16. 16Ash vs Evil Dead (2015) · seriesProperly scary · extreme gore · brutal violence · relentless · TV-MAA chainsaw-wielding lothario battles a Deadite plague with relentless, raunchy, darkly-comic action.Starz · Prime Video · The Roku Channel
17. 17Night of the Living Dead (1968)Properly scary · graphic gore · strong violence · emotionally heavy · NRStrangers barricade themselves in a farmhouse, facing relentless flesh-eating ghouls and bleak, chilling suspense.Max · Peacock · AMC+
18. 18Sailor Moon Crystal (2014) · seriesMildly scary · measured · TV-14A magical girl embraces her destiny, fighting for justice with whimsical powers and an uplifting spirit.Netflix · Hulu · Crunchyroll
19. 19Merlin (2008) · seriesMildly scary · measured · TV-PGA young wizard and a future king forge an unlikely bond, shaping destiny with magic and courage.Prime Video · The Roku Channel · Pluto TV
20. 20Goosebumps (1995) · seriesMildly scary · measured · TV-GWholesome, darkly comic tales unfold as kids confront campy, spooky situations and mysterious, fantastical fears.Netflix · Paramount+ · The Roku Channel
21. 21A Discovery of Witches (2018) · seriesMildly scary · light gore · emotionally heavy · measured · TV-MAA forbidden romance between a witch and a vampire ignites an atmospheric, suspenseful quest through a magical world.Netflix · AMC+ · Hoopla
22. 22I Dream of Jeannie (1965) · seriesNo gore · measured · TV-GAn astronaut's life gets whimsically upended by a devoted, two-thousand-year-old genie and her wholesome magic.The Roku Channel · Tubi
23. 23Farscape (1999) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-14An astronaut hurtles across galaxies, landing in the middle of a relentless, gritty alien war.Prime Video · Peacock · The Roku Channel
24. 24Dark City (1998)Mildly scary · emotionally heavy · measured · RA man's fractured memories haunt him in a sunless, surreal city controlled by telekinetic beings.Kanopy · The Roku Channel · Plex
25. 25Bewitched (1964) · seriesNo gore · measured · TV-GA suburban witch navigates wholesome magical mishaps while her husband tries to keep her powers a secret.Hulu · The Roku Channel · Tubi
26. 26H2O: Just Add Water (2006) · seriesNo gore · measured · TV-PGThree teenage friends navigate everyday drama while secretly transforming into mermaids with every splash.Netflix · Prime Video · Hoopla
27. 27Doom at Your Service (2021) · seriesNo gore · emotionally heavy · measuredA whimsical romance blossoms between a dying woman and a supernatural being, finding feel-good love in melancholy circumstances.Netflix · The Roku Channel · Tubi
28. 28ALF (1986) · seriesNo gore · measured · TV-GA furry alien wiseguy brings chaos and wholesome humor to a suburban family's cozy home.Prime Video · Peacock · The Roku Channel
29. 29Dirk Gently's Holistic Detective Agency (2016) · seriesLight gore · brisk · TV-14An eccentric detective and his assistant stumble through a surreal, briskly paced world of witty, absurdist crime.Prime Video · AMC+ · The Roku Channel
30. 30Knight Rider (1982) · seriesNo gore · brisk · TV-PGA lone crimefighter and his indestructible, talking car deliver justice with brisk, pulpy action and campy charm.The Roku Channel · Tubi
31. 31The Mist (2007)Terrifying · graphic gore · strong violence · emotionally devastating · RA relentless mist descends, trapping townsfolk in a grocery store with unseen, chilling horrors and mounting dread.Kanopy · The Roku Channel
32. 32The Lost Room (2006) · seriesMildly scary · emotionally heavy · measured · TV-PGA detective uncovers a motel room that opens to another universe, where suspense builds with every measured step.The Roku Channel · Plex · Tubi
33. 33Frequency (2000)Mildly scary · light gore · strong violence · emotionally heavy · PG-13A son’s desperate call to the past creates a ripple of brutal crimes and a bittersweet fight for the future.Kanopy · The Roku Channel · Plex
34. 34Into the Badlands (2015) · seriesMildly scary · graphic gore · brutal violence · emotionally heavy · TV-14A ruthless warrior guides a boy through a feudal land, facing relentless action and pulpy, gritty adventure.AMC+ · Hoopla · The Roku Channel
35. 35Dredd (2012)Mildly scary · graphic gore · brutal violence · emotionally heavy · RRelentless action meets gritty sci-fi as a lone lawman battles a ruthless drug lord in a dystopian city.Prime Video · The Roku Channel · YouTube (free)
36. 36Continuum (2012) · seriesLight gore · strong violence · brisk · TV-14A cop from the future hunts ruthless time-traveling rebels in a gritty, suspenseful urban war.Prime Video · Peacock · The Roku Channel
37. 37Stargate (1994)Mildly scary · light gore · strong violence · brisk · PG-13An ancient Egyptian artifact teleports a team to a desert world where humans worship a powerful false god.The Roku Channel · YouTube (free) · Tubi
38. 38Escape from New York (1981)Mildly scary · light gore · strong violence · brisk · RA hardened war hero has one day to rescue the president from a lawless, island-sized maximum-security prison.Prime Video · Criterion · Kanopy
39. 39Snowpiercer (2020) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-MAHumanity's last survivors circle a frozen Earth, battling class warfare and injustice in a bleak, suspenseful future.Prime Video · Hulu · Peacock
40. 40The Terror (2018) · seriesProperly scary · light gore · strong violence · emotionally devastating · TV-14Chilling historical events unfold in terrifying situations, creating a slow-burn mystery with a bleak and atmospheric tone.AMC+ · Prime Video · The Roku Channel
41. 41Humans (2015) · seriesMildly scary · emotionally heavy · measured · TV-14Highly developed robotic servants create unsettling domestic drama and cerebral mystery in a parallel present.Prime Video · Peacock · Hoopla
42. 42Second chance (2005) · seriesNo gore · emotionally heavy · measured · NRA man returns from the dead to uncover his beautiful widow's dark secrets in this intimate, pulpy mystery.Peacock · The Roku Channel
43. 43Dead Like Me (2003) · seriesMildly scary · light gore · emotionally heavy · measured · TV-14A cynical young woman navigates the afterlife as a grim reaper, finding the bureaucracy of death surprisingly whimsical.Prime Video · The Roku Channel · Plex
44. 44Medium (2005) · seriesMildly scary · light gore · emotionally heavy · measured · TV-14A psychic's unsettling dreams and earnest visions guide investigators through gritty, suspenseful crime scenes.Paramount+ · The Roku Channel · Fandango at Home (free)
45. 45American Gods (2017) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-MAEx-cons and ancient gods clash in a surreal, darkly comic battle for the soul of America.Prime Video · The Roku Channel · Tubi
46. 46Haven (2010) · seriesMildly scary · measured · TV-14An FBI agent unravels a small town's gritty secrets that connect to her own mysterious past.Prime Video · Peacock · The Roku Channel
47. 47The Giver (2014)No gore · emotionally heavy · measured · PG-13A boy discovers the heavy burden of memory and emotion in a world engineered for blissful ignorance.Prime Video · Kanopy · Hoopla
48. 48The Jacket (2005)Mildly scary · emotionally heavy · measured · RA veteran's journey into a surreal future blurs reality as he foresees his death and races to understand it.Hoopla · The Roku Channel · Plex
49. 49District B13 (2004)Light gore · brutal violence · relentless · RIn a gritty 2010 Paris, an undercover cop and an ex-thug relentlessly race to defuse a neutron bomb.Prime Video · Kanopy · The Roku Channel
50. 50Power Rangers (1993) · seriesMildly scary · strong violence · brisk · TV-Y7Teenagers with attitude morph into heroes, battling an evil witch and her monsters in brisk, broad, campy adventures.Netflix · Prime Video · Tubi
51. 51Mars Attacks! (1996)Mildly scary · graphic gore · strong violence · brisk · PG-13Humanity faces absurdly campy Martian invaders whose "peaceful" intentions quickly turn into darkly comic annihilation.Kanopy · The Roku Channel · Plex
52. 52Van Helsing (2016) · seriesMildly scary · graphic gore · brutal violence · emotionally heavy · TV-14A resurrected vampire hunter with unique powers leads humanity's gritty fight against a world overrun by the undead.Prime Video · The Roku Channel · Fandango at Home (free)
53. 53Pandorum (2009)Properly scary · graphic gore · strong violence · brisk · RTwo amnesiac astronauts awaken to a chilling, pulpy nightmare on a gritty, abandoned spacecraft.Prime Video · Hoopla · The Roku Channel
54. 54No One Will Save You (2023)Terrifying · light gore · strong violence · emotionally heavy · PG-13A lonely woman fights for survival against an alien invasion while confronting her own dark history.Hulu · The Roku Channel
55. 55The Host (2013)Mildly scary · light gore · strong violence · emotionally heavy · PG-13An alien soul inhabits a human body, forming an earnest bond and aiding free humans in a suspenseful, epic adventure.The Roku Channel · YouTube (free) · Plex
56. 56Colony (2016) · seriesMildly scary · light gore · strong violence · emotionally heavy · TV-14Occupied Los Angeles forces a family to make impossible choices for survival, where collaboration and rebellion both carry a heavy cost.Prime Video · The Roku Channel · Tubi
57. 57Hardcore Henry (2015)Mildly scary · extreme gore · brutal violence · relentless · RA resurrected cyborg battles a telekinetic tyrant and his army through a relentless, high-octane, pulpy Moscow.Prime Video · Kanopy · The Roku Channel
58. 58Transcendence (2014)Mildly scary · emotionally heavy · measured · PG-13Computer scientists race toward digital immortality while an anti-technology group fights a bleak, cerebral future.The Roku Channel · Plex · Tubi
59. 59Upside Down (2012)No gore · emotionally heavy · measured · PG-13Two lovers defy opposing gravities and societal prejudice in a surreal, dreamlike quest for reunion.Prime Video · Kanopy · Hoopla
60. 60Daybreakers (2010)Mildly scary · graphic gore · strong violence · emotionally heavy · RA blood shortage forces vampires to farm humans while a researcher secretly develops a cure for the plague.Kanopy · Hoopla · The Roku Channel
61. 61Astro Boy (2009)No gore · measured · PGA powerful robot boy with a pure heart searches for acceptance while saving his futuristic city.Prime Video · Starz · Hoopla
62. 62Vivarium (2019)Mildly scary · emotionally heavy · a slow burn · RA young couple is trapped in a surreal housing development, forced to raise a chilling, otherworldly child.Prime Video · Kanopy · Hoopla
63. 63Sphere (1998)Mildly scary · emotionally heavy · measured · PG-13Scientists plunge into the deep, unraveling an alien mystery that twists perception and unravels sanity.Kanopy · The Roku Channel · Plex
64. 64Color Out of Space (2020)Properly scary · graphic gore · emotionally heavy · measured · RA meteorite crashes, infecting a family farm with a mutating, otherworldly color that warps space and time.Hulu · AMC+ · Hoopla
65. 65Hotel Artemis (2018)Mildly scary · graphic gore · brutal violence · emotionally heavy · RA gritty, brisk crime thriller unfolds in a clandestine hospital for criminals during a riot-torn future Los Angeles.Kanopy · The Roku Channel · Plex
66. 66Lockout (2012)Light gore · strong violence · relentless · PG-13A wrongly accused agent faces relentless, high-octane danger to rescue the President's daughter from a gritty space prison.The Roku Channel · Tubi
67. 67Replicas (2018)Mildly scary · light gore · strong violence · emotionally heavy · PG-13A desperate scientist races against time, blurring ethical lines to resurrect his family after tragedy strikes.Prime Video · The Roku Channel · Tubi
68. 68Automata (2014)Mildly scary · light gore · strong violence · emotionally heavy · RA corporate insurance agent uncovers a robot conspiracy that will reshape humanity's bleak future.Prime Video · Kanopy · Hoopla
69. 69Absolutely Anything (2015)No gore · measured · RA man gains unlimited power from aliens, leading to a darkly comic and absurdist test for humanity.Prime Video · Hoopla · The Roku Channel
70. 70Dreamcatcher (2003)Properly scary · graphic gore · strong violence · emotionally heavy · RChildhood friends reunite for a hunting trip, encountering a grotesque alien invasion that warps memory and reality.Hoopla · The Roku Channel · YouTube (free)
71. 71Maggie (2015)Mildly scary · light gore · emotionally devastating · a slow burn · PG-13A father fights to protect his infected daughter as a bleak zombie epidemic slowly consumes humanity.Hoopla · The Roku Channel · Plex
72. 72Superhero Movie (2008)No gore · brisk · PG-13A nerdy teen gains powers from a radioactive dragonfly, leading to broad, raunchy, and campy superheroics.Prime Video · Hoopla · The Roku Channel
73. 73The Darkest Hour (2011)Mildly scary · light gore · strong violence · relentless · PG-13Five young people in Moscow battle an alien invasion that exploits Earth's power grid.Kanopy · Hoopla · The Roku Channel
74. 74The Lazarus Effect (2015)Properly scary · light gore · strong violence · emotionally heavy · PG-13Scientists revive the dead, but a chilling twist of fate brings a terrifying new reality.Prime Video · Hulu · Peacock
75. 75Skyline (2010)Mildly scary · light gore · strong violence · relentless · PG-13Strange lights lure Angelenos into a relentless, gritty fight for survival against an alien menace.Prime Video · Hulu · The Roku Channel
76. 76Sharknado (2013)Mildly scary · graphic gore · strong violence · relentless · RA relentless, absurd hurricane of sharks and broad humor floods Los Angeles, promising crowd-pleasing, campy action.Prime Video · Peacock · AMC+

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