"Herrenvolk" is the fourth season premiere of the American science fiction television series "The X-Files". It premiered on the Fox network on . It was directed by R.W. Goodwin, and written by series creator Chris Carter. "Herrenvolk" featured guest appearances by Roy Thinnes and Brian Thompson, and introduced Laurie Holden as recurring character Marita Covarrubias. The episode helped to explore the overarching mythology, or fictional history of "The X-Files". "Herrenvolk" earned a Nielsen household rating of 13.2, being watched by 21.11 million people in its initial broadcast.