This detailed filmography surveys more than 300 horror films that were released in the years 1990 through 1999. The horror genre's trends, cliches and patterns of the decade are connected to social and cultural phenomena, such as Y2K fears and the Los Angeles Riots. Among the popular forms of this period were films about serial killers, aliens, conspiracies, and sinister ""interlopers,"" new monsters who shambled their way into the lives of everyday people to wreak havoc on screen.