Science Fiction is a genre that creates stories set in imaginative and futuristic worlds. Science Fiction is based on our human understanding of science and technology, and explores ideas of time travel, space exploration, extraterrestrial life, advanced science, and planetary colonization. Sci-fi allows us to imagine what life would be like if robots took over or if we could fly around in cars. There are many famous sci-fi films that have imagined other planets and worlds. Star Wars is the most famous sci-fi franchise, which takes place a long time ago, in a galaxy far, far away.