Top Science Fiction & Fantasy Movies. Best of Rotten Tomatoes. Movies with 40 or more critic reviews vie for their place in history at Rotten Tomatoes. Jodorowsky's Dune · Marwencol · Her () · Source Code. What are the greatest sci- fi movies of all time? Science fiction films are among the most popular movies in cinematic history, with films like Star Wars a. best sci- fi movies, brought to you by Time Out and chosen by an The resulting list spans every corner of the genre, from intimate indies to.