This document lists 145 science fiction films in chronological order from 1968 to 2019. It includes many famous franchises like Planet of the Apes, Star Trek, Star Wars, Alien, Terminator, Back to the Future, and Mad Max. Some notable individual films mentioned include 2001: A Space Odyssey, Blade Runner, The Matrix, Inception and Interstellar. The list covers over 50 years of science fiction cinema and provides a timeline of how the genre has evolved.