"Darkness Falls" is the twentieth episode of the first season of the American science fiction television series The X-Files. It premiered on the Fox network on April 15, 1994. "Darkness Falls" was written by series creator Chris Carter, and directed by Joe Napolitano. It featured guest appearances by Jason Beghe and Titus Welliver. The episode is a "Monster-of-the-Week" story, a stand-alone plot that is unconnected to the series' wider mythology.