Primer (2004) is a sci-fi movie directed by Shane Carruth. The list below collects the movies that people who loved it enjoyed most, best known first.

★ 7.6 · 20,021 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 →
★ 7.4 · 7,411 votes · Sci-Fi, Thriller
Predestination chronicles the life of a Temporal Agent sent on an intricate series of time-travel journeys designed to prevent future killers from committing their crimes. Now, on his final assignment, the Agent must stop the one criminal that has eluded him throughout time and prevent a devastating attack in which thousands of lives will be lost.
Movies like Predestination →
★ 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 →
★ 8.2 · 29,011 votes · Adventure, Sci-Fi, Action
After the devastating events of Avengers: Infinity War, the universe is in ruins due to the efforts of the Mad Titan, Thanos. With the help of remaining allies, the Avengers must assemble once more in order to undo Thanos' actions and restore order to the universe once and for all, no matter what consequences may be in store.
Movies like Avengers: Endgame →
★ 6.6 · 11,264 votes · Action, Comedy, Sci-Fi
Agents J and K are back...in time. J has seen some inexplicable things in his 15 years with the Men in Black, but nothing, not even aliens, perplexes him as much as his wry, reticent partner. But when K's life and the fate of the planet are put at stake, Agent J will have to travel back in time to put things right. J discovers that there are secrets to the universe that K never told him - secrets that will reveal themselves as he teams up with the young Agent K to save his partner, the agency, and the future of humankind.
Movies like Men in Black 3 →
★ 8.5 · 41,497 votes · Adventure, Drama, Sci-Fi
The adventures of a group of explorers who make use of a newly discovered wormhole to surpass the limitations on human space travel and conquer the vast distances involved in an interstellar voyage.
Movies like Interstellar →
★ 7.1 · 2,615 votes · Mystery, Drama, Thriller
A mathematical genius discovers a link between numbers and reality, and thus believes he can predict the future.
Movies like Pi →
★ 7.3 · 9,490 votes · Thriller, Sci-Fi, Mystery
When decorated soldier Captain Colter Stevens wakes up in the body of an unknown man, he discovers he's part of a mission to find the bomber of a Chicago commuter train.
Movies like Source Code →
★ 7.0 · 12,503 votes · Action, Thriller, Sci-Fi
In the not-too-distant future, the aging gene has been switched off. To avoid overpopulation, time has become the currency and the way people pay for luxuries and necessities. The rich can live forever, while the rest struggle to negotiate for their immortality. A poor young man who suddenly comes into a fortune of time finds himself on the run from a corrupt police force known as the "time keepers".
Movies like In Time →
★ 7.3 · 2,144 votes · Sci-Fi, Crime, Thriller
When a rare phenomenon gives police officer John Sullivan the chance to speak to his father, 30 years in the past, he takes the opportunity to prevent his dad's tragic death. After his actions inadvertently give rise to a series of brutal murders he and his father must find a way to fix the consequences of altering time.
Movies like Frequency →
★ 6.9 · 5,522 votes · Action, Thriller, Sci-Fi
Called in to recover evidence in the aftermath of a horrific explosion on a New Orleans ferry, Federal agent Doug Carlin gets pulled away from the scene and taken to a top-secret government lab that uses a time-shifting surveillance device to help prevent crime.
Movies like Déjà Vu →
★ 6.8 · 7,339 votes · Thriller, Sci-Fi, Mystery
In late 1970s Ohio, a group of friends filming a homemade zombie movie witness a devastating train derailment. Soon after, their quiet town is gripped by unexplained disappearances, strange phenomena, and a growing sense of fear, as they uncover that something terrifying has been set loose.
Movies like Super 8 →
★ 6.8 · 327 votes · Drama, Mystery, Thriller
An inventor of a secret process suddenly finds himself alone as both his friends and the corporation he works for turn against him.
Movies like The Spanish Prisoner →