Parallel universes referred to the theory of multiple universes existing in the same space-time. In recent years, there have been a few movies about parallel universes. Here are some famous movies: 1 "Parallel Universe: Demon's Eye"(Rampage Hollywood): This is an American sci-fi action film released in 2017 that tells the story of a superhero in a parallel universe. 2 Time Travel: Back to the Future (Back to the Future 2): This is an American sci-fi movie released in 2013. It tells the story of a man who travels to the past in the future to try to stop his wife from falling in love with another man. 3 Source Code (Source Code): This is a 2014 American sci-fi movie about a soldier who used a parallel universe technology to enter a different timeline during a terrorist attack and try to prevent the event from happening. Interstellar: This is a 2014 American sci-fi movie about a group of astronauts crossing parallel universes to find a new home for humans. 5 Black Mirror: Bandersnap: This is a British sci-fi film released in 2018 about a programmer who finds himself trapped in a parallel universe while trying to create a video game. These were just some of the many outstanding works in the parallel universe.