Movies Like What-if-I

If you liked What-if-I (2023), a science fiction movie directed by Lavinia Tommasoli and Pietro Traversa, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Superintelligence (2020)
★ 5.9/10Also science fiction
When an all-powerful Superintelligence chooses to study the most average person on Earth, Carol Peters, the fate of the world hangs in the balance. As the A.I. decides to enslave, save or destroy humanity, it’s up to…
2
Why Did You Pick On Me? (1980)
★ 6.2/10Also science fiction
Following the events of The Sheriff and the Satellite Kid, Sheriff Hall and H-725 (using the official identity of Charlie Warren) still get no rest from the military - because the little alien has not yet grasped the…
3
Regular Show: The Movie (2015)
★ 7.9/10Also science fiction
After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save the universe — and their friendship.
4
Stewie Griffin: The Untold Story (2005)
★ 6.9/10Also science fiction
The maniacal baby of the Griffin family, Stewie, meets his future self. In doing this he discovers that his future image is not what he has anticipated because of a near death experience.
5
Space/Time (2025)
★ 5.8/10Also science fiction
After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.
6
The Last Mimzy (2007)
★ 6.3/10Also science fiction
Two siblings begin to develop special talents after they find a mysterious box of toys, and soon their parents and even their teacher are drawn into a strange new world – and find a task ahead of them that is far more…
7
Doctor Who: The Runaway Bride (2006)
★ 7.8/10Also science fiction
A young bride in the midst of her wedding finds herself mysteriously transported to the TARDIS. The Doctor must discover what her connection is with the Empress of the Racnoss's plan to destroy the world.
8
The Arrival (1996)
★ 6/10Also science fiction
Zane Ziminski is an astrophysicist who receives a message that seems to have extraterrestrial origins. Eerily soon after his discovery, Zane is fired. He then embarks on a search to determine the origins of the…
9
Star Trek: The Motion Picture (1979)
★ 6.5/10Also science fiction
When an unidentified alien destroys three powerful Klingon cruisers, Captain James T. Kirk returns to the newly transformed U.S.S. Enterprise to take command.
10
Starman (1984)
★ 6.9/10Also science fiction
When an alien takes the form of a young widow's husband and asks her to drive him from Wisconsin to Arizona, the government tries to stop them.
11
Blush (2021)
★ 7.8/10Also science fiction
When a horticulturalist-astronaut crashes onto a desolate planet, he encounters an ethereal visitor and discovers the joy of building a new life—realizing the universe has delivered something astonishing.
12
Star Trek: Insurrection (1998)
★ 6.5/10Also science fiction
When an alien race and factions within Starfleet attempt to take over a planet that has "regenerative" properties, it falls upon Captain Picard and the crew of the Enterprise to defend the planet's people as well as…
13
Titan A.E. (2000)
★ 6.6/10Also science fiction
A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.
14
Blackadder: Back & Forth (1999)
★ 7/10Also science fiction
What was a cunning plan from Lord Edmund Blackadder V to fake a time machine on his gullibly incompetent friends, turns out to be the real thing and hurls him and his imbecile underling, Baldrick, through the course of…
15
Henry Danger: The Movie (2025)
★ 7.7/10Also science fiction
Henry Hart meets a superfan—eager to fight crime with Kid Danger—who comes into possession of a device that can open up alternate realities. Facing a wild ride, Henry will need his best friend Jasper and his new…
16
The Captains (2011)
★ 6.4/10Also science fiction
The Captains is a feature-length documentary film written and directed by William Shatner. The film follows Shatner as he interviews the other actors who have portrayed starship captains in the Star Trek franchise.
17
Time Toys (2016)
★ 5.9/10Also science fiction
A group of middle school kids stumble upon a chest full of incredible toys from the future. The discovery takes them on an adventure using their newfound toys to save their neighborhood and ultimately the world from a…
18
Planet 51 (2009)
★ 5.9/10Also science fiction
When Earth astronaut Capt. Chuck Baker arrives on Planet 51 -- a world reminiscent of American suburbia circa 1950 -- he tries to avoid capture, recover his spaceship and make it home safely, all with the help of an…
19
1984 (1956)
★ 6.5/10Also science fiction
In a totalitarian future society, a man whose daily work is rewriting history tries to rebel by falling in love.
20
Multiplicity (1996)
★ 5.8/10Also science fiction
Construction worker Doug Kinney finds that the pressures of his working life, combined with his duties to his wife Laura and daughter Jennifer leaves him with little time for himself. However, he is approached by…