Fantastic Voyage (1966) is a sci-fi movie directed by Richard Fleischer. The list below collects the movies that people who loved it enjoyed most, best known first.

★ 6.8 · 1,475 votes · Action, Comedy, Sci-Fi
Test pilot Tuck Pendleton volunteers to test a special vessel for a miniaturization experiment. Accidentally injected into a neurotic hypochondriac, Jack Putter, Tuck must convince Jack to find his ex-girlfriend, Lydia Maxwell, to help him extract Tuck and his ship and re-enlarge them before his oxygen runs out.
Movies like Innerspace →
★ 7.5 · 590 votes · Sci-Fi, Adventure, Horror
A dangerous combination of radiation and insecticide causes the unfortunate Scott Carey to shrink, slowly but surely, until he is only a few inches tall. His home becomes a wilderness where he must survive everything from spiders living in the cellar to his beloved cat.
Movies like The Incredible Shrinking Man →
★ 7.1 · 21,360 votes · Sci-Fi, Adventure, Action
Armed with the astonishing ability to shrink in scale but increase in strength, master thief Scott Lang must embrace his inner-hero and help his mentor, Doctor Hank Pym, protect the secret behind his spectacular Ant-Man suit from a new generation of towering threats. Against seemingly insurmountable obstacles, Pym and Lang must plan and pull off a heist that will save the world.

★ 6.3 · 3,463 votes · Adventure, Comedy, Family
The scientist father of a teenage girl and boy accidentally shrinks his and two other neighborhood teens to the size of insects. Now the teens must fight diminutive dangers as the father searches for them.
Movies like Honey, I Shrunk the Kids →
★ 6.5 · 9,706 votes · Sci-Fi, Horror
A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.
Movies like Annihilation →
★ 8.6 · 8,304 votes · Sci-Fi, Adventure
Science teacher Ryland Grace wakes up on a spaceship light years from home with no recollection of who he is or how he got there. As his memory returns, he begins to uncover his mission: solve the riddle of the mysterious substance causing the sun to die out. He must call on his scientific knowledge and unorthodox ideas to save everything on Earth from extinction.
Movies like Project Hail Mary →
★ 7.5 · 5,235 votes · Drama, Sci-Fi, Mystery
A radio astronomer receives the first extraterrestrial radio signal ever picked up on Earth. As the world powers scramble to decipher the message and decide upon a course of action, she must make some difficult decisions between her beliefs, the truth, and reality.
Movies like Contact →
★ 7.6 · 20,018 votes · Drama, Sci-Fi, Mystery
Taking place after alien crafts land around the world, an expert linguist is recruited by the military to determine whether they come in peace or are a threat.
Movies like Arrival →
★ 7.3 · 17,043 votes · Action, Adventure, Sci-Fi
Peter Parker is going through a major identity crisis. Burned out from being Spider-Man, he decides to shelve his superhero alter ego, which leaves the city suffering in the wake of carnage left by the evil Doc Ock. In the meantime, Parker still can't act on his feelings for Mary Jane Watson, a girl he's loved since childhood. A certain anger begins to brew in his best friend Harry Osborn as well...
Movies like Spider-Man 2 →
★ 7.1 · 8,614 votes · Sci-Fi, Action, Adventure
Thomas leads his group of escaped Gladers on their final and most dangerous mission yet. To save their friends, they must break into the legendary Last City, a WCKD-controlled labyrinth that may turn out to be the deadliest maze of all. Anyone who makes it out alive will get answers to the questions the Gladers have been asking since they first arrived in the maze.
Movies like Maze Runner: The Death Cure →
★ 6.6 · 9,528 votes · Adventure, Action, Sci-Fi
Four years after Jurassic Park's genetically bred dinosaurs ran amok, multimillionaire John Hammond shocks chaos theorist Ian Malcolm by revealing that he has been breeding more beasties at a secret location. Malcolm, his paleontologist ladylove and a wildlife videographer join an expedition to document the lethal lizards' natural behavior in this action-packed thriller.
Movies like The Lost World: Jurassic Park →
★ 6.3 · 3,687 votes · Horror, Sci-Fi, Action
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
Movies like Underwater →
★ 7.2 · 2,897 votes · Sci-Fi, Drama, Mystery
Prot is a patient at a mental hospital who claims to be from a far away planet. His psychiatrist tries to help him, only to begin to doubt his own explanations.
Movies like K-PAX →
★ 6.3 · 4,153 votes · Action, Sci-Fi, Horror
An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.
Movies like Meg 2: The Trench →
★ 7.0 · 853 votes · Sci-Fi, Thriller, Drama
When virtually all of the residents of Piedmont, New Mexico are found dead after the return to Earth of a space satellite, the head of the US Air Force's Project Scoop declares an emergency. A group of eminent scientists led by Dr. Jeremy Stone scrambles to a secure laboratory and tries first to isolate the life form while determining why two people from Piedmont - an old alcoholic and a six-month-old baby - survived. The scientists methodically study the alien life form, unaware that it has already mutated and presents a far greater danger in the lab, which is equipped with a nuclear self-destruct device designed to prevent the escape of dangerous biological agents.
Movies like The Andromeda Strain →
★ 6.4 · 1,984 votes · Mystery, Sci-Fi, Thriller
Since the 1960s, a disproportionate number of the population in and around Nome, Alaska, have gone missing. Despite FBI investigations, the disappearances remain a mystery. Dr. Abigail Tyler, a psychologist, may be on the verge of blowing the unsolved cases wide open when, during the course of treating her patients, she finds evidence of alien abductions.
Movies like The Fourth Kind →
★ 6.4 · 3,397 votes · Sci-Fi, Action, Thriller
An extremely wealthy elderly man dying from cancer undergoes a radical medical procedure that transfers his consciousness to the body of a healthy young man but everything may not be as good as it seems when he starts to uncover the mystery of the body's origins and the secret organization that will kill to keep its secrets.
Movies like Self/less →
★ 7.0 · 4,233 votes · Sci-Fi, Action, Adventure
Amid a future war between the human race and the forces of artificial intelligence, a hardened ex-special forces agent grieving the disappearance of his wife, is recruited to hunt down and kill the Creator, the elusive architect of advanced AI who has developed a mysterious weapon with the power to end the war—and mankind itself.
Movies like The Creator →
★ 6.6 · 9,627 votes · Adventure, Thriller, Sci-Fi
Ray Ferrier is a divorced dockworker and less-than-perfect father. Soon after his ex-wife and her new husband drop off his teenage son and young daughter for a rare weekend visit, a strange and powerful lightning storm touches down.
Movies like War of the Worlds →