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What's better than getting deeply engrossed in a sci-fi film, barreling through towards the ending, and then discovering that the thing the movie had you believing all along is something else entirely?

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If you're looking to get fooled again and again, there's truly nothing like the super smart, absolutely mind-blowing twists in these 14 science-fiction films:

Oh, and just a warning — there are spoilers for these films ahead (obviously)!!!

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Planet of the Apes (1968). The plot: After being kept in hypersleep during a long expedition into deep space, an astronaut crew crash-lands into the 40th century on a planet where a highly intelligent non-human ape species is dominant, and humans are enslaved.

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The Twist: In an attempt to prove that he's not from their planet, astronaut George Taylor (Charlton Heston) stumbles upon the ruins of the Statue of Liberty on a beach, and realizes that the "alien" planet he thought he had crash-landed on is actually Earth, hundreds of years in the future.

@movieclips / Disney / Via youtube.com

The Empire Strikes Back (1980). The plot: After the destruction of the Death Star, the Galactic Empire overpowers the Rebel Alliance. Luke Skywalker (Mark Hamill) begins training with Jedi Master Yoda, while Darth Vader and bounty hunter Boba Fett pursue Princess Leia (Carrie Fisher) and Han Solo (Harrison Ford) across the galaxy.

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The twist: During an intense lightsaber battle with Darth Vader in which Luke loses his hand, it's revealed that Darth is actually Luke's father.

@collectiveculture / Disney / Via youtube.com

Event Horizon (1997). The plot: A rescue crew (Laurence Fishburne, Sam Neill, Kathleen Quinlan, Joely Richardson) is tasked with investigating the mysterious reappearance of a spaceship that had been lost for seven years.

@heavyspoilers / Paramount / Via youtube.com

The twist: The ship’s experimental gravity drive did not just create a wormhole to another point in space, but actually opened a gateway to a hell dimension, returning with a sentient, malevolent force that drives the crew to commit horrific acts by exploiting their deepest fears and guilt.

@heavyspoilers / Paramount / Via youtube.com

The Prestige (2006). The plot: Two friends and fellow magicians become bitter enemies after an illusion goes terribly wrong. As their feud escalates, they make sacrifices that bring them fame but, with terrible consequences.

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The Twist: Alfred Borden's (Christian Bale) magic trick, "The Transported Man," is possible because he has a twin brother. Robert Angier (Hugh Jackman), however, uses a teleportation device built by Nikola Tesla that duplicates him rather than transports him. Each time he performs his "Transported Man" trick, he creates a clone of himself and kills one version (usually the original) by drowning to keep the illusion a secret.

@heavyspoilers / Disney / Via youtube.com

Looper (2012). The plot: In 2074, when the mob wants to get rid of someone, the target is sent back in time, where a hired gun awaits. One of the hit men, Joe, learns the mob wants to 'close the loop' by sending back his future self for assassination, and is being directed to do so by The Rainmaker.

@movierecaps / Sony Pictures / Via youtube.com

The twist: Young Joe (Joseph Gordon-Levitt) realizes that Old Joe's (Bruce Willis) killing of Cid's mother is the catalyst that creates the Rainmaker. Young Joe kills himself to erase Old Joe, sacrificing his own life to prevent the Rainmaker’s rise.

@movierecaps / Sony Pictures / Via youtube.com

Ex Machina (2014). The plot: A young programmer is selected to participate in a ground-breaking experiment by evaluating the human qualities of a highly advanced humanoid AI.

@sodercinema / A24 / Via youtube.com

The twist: Ava, the AI, reveals that her creator, Nathan (Oscar Isaac), designed this entire scenario to see if she could manipulate a human. She then uses Caleb (Domhnall Gleeson) to gain her freedom, revealing that she was the true examiner, not the subject. Ava abandons Caleb, leaving him trapped to die.

@sodercinema / A24 / Via youtube.com

Get Out (2017). The plot: A young Black man named Chris Washington (Daniel Kaluuya) visits his white girlfriend's (Allison Williams) parents for the weekend, where his simmering uneasiness about their reception of him eventually reaches a boiling point.

@RottenTomatoesTrailers / Universal Pictures / Via youtube.com

The twist: Chris' girlfriend Rose and her family are part of a sinister, wealthy cult called the "Order of the Coagula." They operate a human-trafficking ring that transplants white conscio

14 Best Sci-Fi Movie Twists That Left Viewers Stunned