Film genre considered to be a sub-genre of horror or fantasy films, in the way that deal both deal with improbable creatures and improbable worlds. Science fiction films tend to use science fiction literature as their source material or it projects the possible development of a speculative future, such as the overpopulated and violent ones found such films as "Soylent Green" (1973) and "Blade Runner (1982), Science fiction and horror can certainly created hybrid films such as "The Terminator" (1984).