best sci fi movies of all time. 1. Star Wars: Episode IV - A New Hope (1977) Luke Skywalker joins forces with a Jedi Knight, a cocky pilot, a Wookiee and two droids to save the galaxy from the Empire's world-destroying battle station, while also attempting to rescue Princess Leia from the mysterious Darth Vader. 2. Votes: 1,354,785 | Gross: $760.51M. 4. Back to the Future (1985) PG | 116 min | Adventure, Comedy, Sci-Fi. 8.5. Rate. 87 Metascore. Marty McFly, a 17-year-old high school student, is accidentally sent 30 years into the past in a time-traveling DeLorean invented by his close friend, the maverick scientist Doc Brown. A man accidentally gets into a time machine and travels back in time nearly an hour. Finding himself will be the first of a series of disasters of unforeseeable consequences. Director: Nacho Vigalondo | Stars: Karra Elejalde , Candela Fernández , Bárbara Goenaga , Nacho Vigalondo 7. The Matrix (1999) When a beautiful stranger leads computer hacker Neo to a forbidding underworld, he discovers the shocking truth--the life he knows is the elaborate deception of an evil cyber-intelligence. 8. Stalker (1979) A guide leads two men through an area known as the Zone to find a room that grants wishes. Stranded in 1955, Marty McFly learns about the death of Doc Brown in 1885 and must travel back in time to save him. With no fuel readily available for the DeLorean, the two must figure how to escape the Old West before Emmett is murdered. 7. Inception (2010) PG-13 | 148 min | Action, Adventure, Sci-Fi. 8.8. Rate. 74 Metascore. A thief who steals corporate secrets through the use of dream-sharing technology is given the inverse task of planting an idea into the mind of a C.E.O., but his tragic past may doom the project and his team to disaster. 3. Interstellar (2014) PG-13 | 169 min | Adventure, Drama, Sci-Fi. 8.6. Rate. 74 Metascore. A team of explorers travel through a wormhole in space in an attempt to ensure humanity's survival. Director: Christopher Nolan | Stars: Matthew McConaughey, Anne Hathaway, Jessica Chastain, Mackenzie Foy. From the 1970s to the 2010s, these movies are some of the most highly-ranked genre movies of all time by both critics and fans alike. There's something for all kinds of film fans on HBO Max and this selection of its sci-fi movies shows just how good it can get. Fantastic Planet (1973) - 7.8 A blade runner must pursue and terminate four replicants who stole a ship in space and have returned to Earth to find their creator. Director: Ridley Scott | Stars: Harrison Ford, Rutger Hauer, Sean Young, Edward James Olmos. Votes: 806,186 | Gross: $32.87M. 5. The Terminator (1984) R | 107 min | Action, Sci-Fi. 8.1. TOP 100 Sci-Fi Movies of All Time. 2. The Terminator (1984) 3. Planet of the Apes (1968) 4. Alien (1979) 5. Blade Runner (1982) fVL20G.